NIST SRM Catalog List

SRM Number	NIST SRM Name	Unit of Issue	Certificate Date
1d	Limestone, Argillaceous	70 g	2/18/2005
4l	Cast Iron	150 g	6/1/1990
5m	Cast Iron	150 g	1/3/1997
6g	Cast Iron	150 g	11/9/1970
8k	Bessemer Steel (Simulated) 0.1 % Carbon (chip form)	150 g	7/19/2017
12h	Basic Open-Hearth Steel, 0.4% Carbon	150 g	3/7/1966
13g	0.6% Carbon Steel	150 g	4/30/1974
14g	Carbon Steel (AISI 1078)	150 g	3/6/1990
16f	Basic Open-Hearth Steel, 1% Carbon (chip form)	150 g	9/2/2017
17f	Sucrose Optical Rotation	60 g	3/29/2013
19h	Basic Electric Steel, 0.2% Carbon	150 g	9/10/1987
20g	AISI 1045 Steel	150 g	10/23/1970
25d	Manganese Ore	60 g	5/26/2010
30f	Cr-V Steel (SAE 6150)	150 g	3/31/1992
32e	Carbon Low Alloy Steel (SAE 3140) (chip form)	150 g	10/20/2016
33e	Nickel Steel	150 g	3/15/1995
39j	Benzoic Acid (Calorimetric Standard)	30 g	10/18/2007
45d	Copper Secondary Freezing Point	450 g	4/12/1990
46h	Portland Cement Fineness Standard	10 vials x 5 g	8/30/2016
49e	Lead Secondary Freezing Point Standard	600 g	4/5/1990
50c	Tungsten-Chromium-Vanadium Steel	150 g	2/17/2011
53e	Lead-Base Bearing Metal (84Pb-10Sb-6Sn)	150 g	1/20/1970
54d	Bearing Metal (Tin Base)	75 g	9/20/1957
57b	Silicon Metal	40 g	4/28/2015
58a	Ferrosilicon (73% Si Regular Grade)	75 g	8/6/2009
59a	Ferrosilicon	50 g	11/6/1969
64c	Ferrochromium, High Carbon	100 g	2/20/1992
68c	High-Carbon Ferromanganese	100 g	2/20/1992
69b	Bauxite (Arkansas)	60 g	1/2/1991
70b	Potassium Feldspar	1 bottle x 40g	12/31/2013
72g	Low Alloy Steel (AISI 4130)	150 g	6/4/1981
76a	Burnt Refractory (Al203-40%)	75 g	3/20/1992
77a	Burnt Refractory (Al203-60%)	75 g	3/20/1992
78a	Burnt Refractory (Al203-70%)	75 g	3/20/1992
79a	Fluorspar	120 g	1/8/1980
80a	Soda-Lime Glass (Beads)	45 g	12/15/2015
81a	Glass Sand	75 g	1/1/1978
82b	Nickel-Chromium Cast Iron	150 g	4/12/1966
84l	Potassium Hydrogen Phthalate	60 g	2/1/2010
87a	Silicon-Aluminum Alloy	75 g	1/24/1991
88b	Dolomitic Limestone	75 g	5/20/1994
89	Glass, Lead Barium	45 g	12/20/1990
90	Ferrophosphorus	75 g	3/20/2010
92	Soda-Lime Glass, Low Boron (Powder)	45 g	12/15/2015
93a	Borosilicate Glass	1 wafer	9/10/1991
94c	Zinc-Base Alloy (Die Casting)	150 g	12/16/1994
97b	Flint Clay	60 g	4/21/1988
98b	Plastic Clay	60 g	4/21/1988
99b	Soda Feldspar	40 g	10/7/2011
100b	Manganese Steel	150 g	8/18/1959
101g	18 Cr-10 Ni Steel (AISI 304L) (powder form)	100 g	8/13/1986
107c	Cast Iron (Ni-Cr-Mo)	150 g	5/16/1983
114q	Portland Cement Fineness Standard	20 vials	8/30/2016
115a	Copper-Nickel-Chromium Cast Iron	150 g	4/19/1962
122i	Cast Iron	150 g	9/30/1992
123c	Stainless Steel, Cr-Ni-Nb (AISI 348)	150 g	10/1/1981
125b	LA Steel, High Silicon	100 g	4/14/2011
126c	High-Nickel Steel (Nominal Mass Fraction 36 % Ni) (chip form)	150 g	6/22/2017
127b	Solder (40Sn — 60Pb)	150 g	8/24/1990
129c	LA Steel, High Sulfur (SAE 112)	150 g	8/7/1973
131h	Refined Cast Iron	100 g	1/22/2016
132b	Tool Steel (AISI M2)	150 g	8/1/1995
133b	Chromium-Molybdenum Steel	150 g	9/22/2014
134a	Molybdenum-Tungsten-Chromium-Vanadium Steel	150 g	5/6/1957
136f	Potassium Dichromate (Oxidimetric Standard)	60 g	4/10/2008
139b	Chromium-Nickel-Molybdenum Steel	150 g	6/22/1993
141e	Acetanilide	2 g	5/8/2017
143d	Cystine (L-Cystine)	2 g	2/24/2017
148	Nicotinic Acid	2 g	12/12/1994
152a	Basic Open-Hearth Steel 0.5% Carbon (Tin Bearing)	150 g	10/11/1965
155	Chromium-Tungsten Steel	150 g	10/1/1946
160b	Stainless Steel (Cr 18-Ni 12-Mo 2) (AISI 316)	150 g	11/9/2012
163	Chromium Steel	100 g	1/11/1968
165a	Glass Sand	75 g	11/9/1992
166c	Low-Carbon Stainless Steel (AISI 316L) (chip form)	100 g	7/19/2017
173c	Titanium Alloy UNS R56400 (chip form)	50 g	11/16/2016
178	0.4C Basic Oxygen Furnace Steel	150 g	7/14/1969
179	LA Steel, High Silicon	150 g	5/3/1994
180	Fluorspar, High Grade	120 g	8/17/1986
182	Lithium Ore (Petalite)	45 g	10/1/1981
183	Lithium Ore (Lepidolite)	45 g	10/1/1981
185i	Potassium Hydrogen Phthalate, pH Standard	60 g	8/8/2013
187f	Sodium Tetraborate Decahydrate (Borax), pH Standard	30 g	8/29/2017
188	Potassium Hydrogen Tartrate (pH Standard)	60 g	5/18/1987
193	Potassium Nitrate	90 g	11/5/1991
194a	Ammonium Dihydrogen Phosphate	90 g	3/12/2014
195	Ferrosilicon (75% Si-High-Purity Grade)	75 g	10/22/2009
196	Ferrochromium, (Low-Carbon)	100 g	11/9/1970
198	Silica Brick	45 g	1/6/1960
199	Silica Brick	45 g	1/28/1991
200b	Potassium Dihydrogen Phosphate (Fertilizer Standard)	90 g	1/26/2017
211d	Toluene Liquid Densit- Extended Range	4 x 5 mL	8/12/2009
277	Tungsten Concentrate	1 bottle x 100 g	1/18/2013
278	Obsidian Rock	35 g	3/27/1992
291	Cr-Mo Steel (ASTM A-213)	150 g	10/1/1975
293	Cr-Ni-Mo (AISI 8620)	150 g	3/27/1975
330a	Copper Ore Mill Heads	1 bottle x 90 g	11/9/2010
331a	Copper Ore Mill Tails	40 g	10/20/2017
333a	Molybdenum Sulfide Concentrate	1 pouch x 50 g	2/16/2018
334	Gray Cast Iron	150 g	3/30/1982
339	17 Chromium-9 Nickel-0.2 Selenium Steel	150 g	7/21/1965
341	Ductile Cast Iron	150 g	3/26/1962
342a	Nodular Cast Iron	150 g	9/1/1999
343a	Stainless Steel (AISI 431)	150 g	6/10/1994
344	15 Chromium-7 Nickel Steel (Mo Precipitation Hardening)	150 g	10/2/1963
345b	Fe-Cr-Ni Alloy UNS J92180 (chip form)	150 g	7/13/2016
346a	Valve Steel	150 g	2/20/1992
349a	Waspaloy	150 g	1/7/1997
350c	Benzoic Acid (Acidimetric Standard)	30 g	12/1/2015
351a	Sodium Carbonate (Acidimetric Standard)	50 g	2/6/2017
360b	Zirconium (Sn-Fe-Cr) Alloy	100 g	10/20/2014
361	AISI 4340 Steel (chip form)	150 g	9/22/2016
363	Chromium-Vanadium Steel (Modified)	150 g	4/3/2012
368	Carbon Steel (AISI 1211) (chip form)	150 g	7/31/2017
399	Unalloyed Copper - Cu VI	50 g	7/21/1993
400	Unalloyed Copper - Cu VII	50 g	4/10/1986
423	Molybdenum Oxide Concentrate (Powder Form)	1 pouch x 60 g	1/10/2018
454	Unalloyed Copper XI (chips)	35 g	4/10/1986
457	Unalloyed Copper IV (solid)	rod	2/20/2013
458	Beryllium-Copper (17510)	50 g	9/30/1992
459	Beryllium-Copper (17200)	50 g	9/30/1992
460	Beryllium-Copper Alloy	50 g	9/30/1992
480	Tungsten 20 % - Molybdenum Alloy Electron Microprobe Standard	disk	11/22/1968
481	Gold-Silver Wires for Microprobe Analysis	set (6)	2/14/1969
482	Gold-Copper Wires for Microprobe Analysis	set (6)	8/25/1988
494	Unalloyed Copper I (solid)	rod	4/10/1986
495	Unalloyed Copper II (solid)	rod	10/9/1987
498	Unalloyed Copper V (solid)	rod	5/17/1993
499	Unalloyed Copper VI (solid)	rod	3/24/1986
500	Unalloyed Copper - Cu VII	rod	3/24/1986
600	Bauxite, Australian-Darling Range	90 g	1/2/1991
606	Trace Elements in Basalt Glass	cylinder mounted in epoxy	5/4/2018
607	Potassium Feldspar	5 g	5/21/1973
610	Trace Elements in Glass	4 wafers	4/6/2012
611	Trace Elements in Glass	4 wafers	4/6/2012
612	Trace Elements in Glass	4 wafers	4/6/2012
613	Trace Elements in Glass	4 wafers	4/6/2012
614	Trace Elements in Glass	4 wafers	4/6/2012
616	Trace Elements in Glass	4 wafers	4/6/2012
617	Trace Elements in Glass	4 wafers	4/6/2012
620	Soda Lime, Flat	3 platelets	1/13/1982
622	Soda-Lime-Silica Glass	2.2 kg	3/19/1976
624	Lead-Silica Glass for dc Volume Resistivity	200 g	10/25/1977
625	Zinc-Base Die-Casting Alloy A (block form)	block	10/19/2016
626	Zinc-Base Die-Casting Alloy B (block form)	block	10/19/2016
627	Zinc-Base Die-Casting Alloy C (block form)	block	10/19/2016
628	Zinc-Base Die-Casting Alloy D (block form)	block	10/19/2016
629	Zinc-Base Die-Casting Alloy E (block form)	block	10/19/2016
630	Zinc-Base Die-Casting Alloy F (block form)	block	10/19/2016
631	Spectrographic Zinc Spelter (Modified)	block	2/6/1995
633a	Portland Cement	4 vials x 5 g	10/26/2012
634a	Portland Cement	100 g	4/28/2015
635a	Portland Cement (Blended with Slag)	5 vials x 5 g	3/15/2017
640e	Line Position and Line Shape Standard for Powder Diffraction (Silicon Powder)	7.5 g	10/29/2015
641	Spectroscopic Titanium-Base Standards Titanium Alloy, 8 Mn (A)	disk	10/15/1981
642	Spectroscopic Titanium-Base Standards Titanium Alloy, 8 Mn (B)	disk	10/15/1981
643	Spectroscopic Titanium-Base Standards Titanium Alloy, 8 Mn (C)	disk	10/15/1981
647	Titanium Alloy, Al-Mo-Sn-Zr	50 g	8/15/1986
648	Titanium-Base Alloy 5Al-2Sn-2Zr-4Cr-4Mo	50 g	6/15/1987
649	Titanium-Base Alloy (15V-3Al-3Cr-3Sn)	50 g	7/11/1990
654b	Titanium Alloy, Al-V	disk	6/24/2013
656	Silicon Nitride Powders (Quantitative Analysis Powder Diffraction Standard)	2 x 10 g	11/15/2017
659	Particle Size Distribution Standard for Sedigraph Calibration	set (5)	4/21/1992
660c	Line Position and Line Shape Standard for Powder Diffraction (Lanthanum Hexaboride Powder)	6 g	10/29/2015
663	Chromium-Vanadium Steel (Modified)	5 rods	7/30/2015
665	Electrolytic Iron	5 rods	12/25/1991
670	Rutile Ore	90 g	1/22/1993
674b	X-Ray Powder Diffraction Intensity Set (Quantitative Powder Diffraction Standard)	10.00 g (powder)	11/15/2017
675	Line Position, Mica (XRD)	7.5 g	6/1/1982
679	Brick Clay	75 g	1/14/1987
682	High-Purity Zinc	block	1/15/1988
683	Zinc, Metal	block	1/15/1988
688	Basalt Rock	60 g	8/18/1981
689	Ferrochromium Silicon	100 g	2/24/1982
690	Iron Ore Canada	100 g	6/19/1992
691	Iron Oxide, Reduced	100 g	10/10/1991
692	Iron Ore, Labrador	100 g	1/30/1992
693	Iron Ore (Nimba)	100 g	7/31/1990
694	Phosphate Rock, Western	90 g	9/27/1993
695	Trace Elements in Multi-Nutrient Fertilizer	70 g	12/28/2015
696	Bauxite, Surinam	60 g	1/1/1991
697	Bauxite, Dominican	60 g	1/2/1991
698	Bauxite, Jamaican	60 g	1/2/1991
699	Alumina (Reduction Grade)	60 g	11/29/2006
705a	Polystyrene (Narrow Molecular Weight Distribution)	5 g	7/10/1990
706a	Polystyrene (Broad Molecular Mass Distribution)	18 g	2/9/2016
709	Extra Dense Lead Glass	block	6/5/1974
717a	Hi Boron Glass Viscosity	disk	4/3/2018
720	Sapphire Heat Capacity	15 g	4/13/1982
723e	Tris Acidimetric	50 g	10/26/2011
728	Intermediate-Purity Zinc	pellet form, 450 g	7/31/1996
731L1	Borosilicate Glass - Thermal Expansion	5 cm	6/30/1993
731L2	Borosilicate Glass - Thermal Expansion	10 cm	6/30/1993
731L3	Borosilicate Glass - Thermal Expansion	15 cm	6/30/1993
741a	Tin Freezing-Point Standard	200 g	9/2/1998
742	Aluminum Oxide Pyrometric Standard	10 g	7/6/1990
762	Magnetic Moment Standard - Nickel Disk	6 mm dia	2/8/2000
764a	Magnetic Susceptibility Standard - Platinum Cylinder	3 mm dia. x 3.42 mm	11/13/2006
781D2	Molybdenum - Heat Capacity	10 cm	4/1/1977
853a	Aluminum Alloy 3004	40 g	9/9/2014
854a	Aluminum Alloy 5182	40 g	4/4/2006
855a	Aluminum Casting Alloy 356	30 g	1/3/1990
856a	Aluminum Casting Alloy 380	30 g	1/3/1990
858	Aluminum Alloy 6011	35 g	11/22/1999
861	Nickel-based Superalloy PWA 1484 (chip form)	50 g	10/24/2016
862	High-Temperature Alloy L 605	100 g	10/18/1991
864	Nickel Alloy UNS N06600 (chip form)	100 g	7/31/2017
865	Inconel 625	150 g	5/1/1984
866	Incoloy 800	100 g	5/5/1984
867	Ni-Fe-Cr Alloy UNS N08825 (chip form)	100 g	12/11/2015
868	High-Temperature Alloy (Fe-Ni-Co)	100 g	5/18/1987
869b	Column Selectivity Test Mixture for Liquid Chromatography (Polycyclic Aromatic Hydrocarbons)	5 x 1.1 mL	7/27/2016
870	Column Performance Test Mixture of Liquid Chromatography	5 x 1.1 mL	7/7/2016
871	Phosphor Bronze (CDA 521)	100 g	8/2/1979
872	Phosphor Bronze (CDA 544)	100 g	8/2/1979
874	Cupro-Nickel, 10% (CDA 706) "HIGH-PURITY"	100 g	1/19/1978
875	Cupro-Nickel, 10% (CDA 706) "DOPED"	100 g	1/19/1978
880	Nickel Silver (CDA 770)	100 g	6/20/1979
882	Nickel-Copper Alloy (65Ni-31Cu-3Al)	100 g	8/3/1979
885	Refined Copper (pin form)	pin form, 200 g	6/7/2018
886	Refractory Gold Ore	200 g	3/6/1995
887	Cemented Carbide (W-83,Co-10)	100 g	9/5/1988
888	Cemented Carbide (W-64,Co-25,Ta-5)	100 g	9/5/1988
889	Cemented Carbide (W-75,Co-9,Ta-5,Ti-4)	100 g	9/5/1988
892	High-Alloy White Cast Iron (Ni-Hard, Type IV)	150 g	4/1/1982
893	Stainless Steel (SAE 405)	150 g	3/9/1992
895	Stainless Steel (SAE 201)	150 g	12/20/1991
897	Tracealloy A	35 g	2/5/2014
899	Tracealloy C	35 g	2/5/2014
909c	Frozen Human Serum	3 vials x 2 mL	7/7/2017
911c	Cholesterol	2 g	5/11/2016
912b	Urea	25 g	5/30/2017
913b	Uric Acid	10 g	6/11/2014
917c	D-Glucose (Dextrose)	50 g	2/10/2016
918c	Potassium Chloride General and Ion Activity Standard (Dried at 110 °C)	30 g	2/3/2016
919b	Sodium Chloride	30 g	2/9/2016
920	D-Mannitol	50 g	2/22/2016
921	Cortisol (Hydrocortisone)	1 g	3/4/2016
924a	Lithium Carbonate	30 g	2/9/2016
927e	Bovine Serum Albumin (7% solution) (Total Protein Standard)	10 ampoules x 2.2 mL	2/12/2016
928	Lead Nitrate	30 g	2/23/2016
929a	Magnesium Gluconate	5 g	1/6/2016
931h	Liquid Absorbance Standard for Ultraviolet and Visible Spectrophotometry	set (12)	3/16/2016
937	Iron Metal	50 g	2/10/2016
951a	Boric Acid Isotopic Standard	10 g	8/29/2011
953	Neutron Density Monitor Wire	1 m	3/12/1969
955c	Toxic Metals in Caprine Blood	4 vials x 2 mL	1/27/2016
956d	Electrolytes in Frozen Human Serum	6 ampoules x 2 mL	12/28/2015
965b	Glucose in Frozen Human Serum	8 ampoules x 2 mL	2/9/2016
967a	Creatinine in Frozen Human Serum	4 vials x 1 mL	11/24/2015
968f	Fat-Soluble Vitamins in Frozen Human Serum	2 vials x 1 mL	4/27/2018
972a	Vitamin D Metabolites in Frozen Human Serum	4 vials x 1 mL	11/29/2017
973	Boric Acid Acidimetric Standard	100 g	4/21/2008
975a	Isotopic Standard for Chlorine	0.25 g	1/24/2001
977	Isotopic Standard for Bromine	0.25 g	3/24/1965
978a	Assay-Isotopic Standard for Silver	0.25 g	9/21/1984
979	Chromium Isotopic Standard	0.25 g	5/3/1966
980	Isotopic Standard for Magnesium	0.25 g	1/31/1967
981	Common Lead Isotopic Standard	1 g wire	3/25/1991
983	Radiogenic Lead Isotopic Standard	1 g wire	12/15/2004
984	Rubidium Chloride	0.25 g	7/27/1970
986	Isotopic Standard for Nickel	0.5 g	5/1/1990
987	Strontium Carbonate Isotopic Standard	1 g	6/19/2007
994	Isotopic Standard for Gallium	0.25 g	2/3/1986
998	Angiotensin I (Human)	0.5 mg	1/7/2016
999c	Potassium Chloride Primary Standard (Dried at 500 °C)	30 g	11/19/2015
1003c	Glass Beads - Particle Size Distribution	28 g	8/10/2011
1004b	Glass Beads - Particle Size Distribution	43 g	8/10/2011
1010a	Microcopy Resolution Test Charts	set (5)	10/6/1998
1012	Flooring Radiant Panel	set (3)	9/14/1984
1017b	Glass Beads - Particle Size Distribution (100 μm to 400 μm diameter range)	70 g	6/20/2016
1018b	Glass (Particle Size)	87 g	4/22/1997
1019b	Glass (Particle Size)	200 g	7/2/1997
1021	Glass ( Particle Size)	4 g	12/15/2011
1034	Unalloyed Copper	rod	2/3/1982
1035	Leaded-Tin Bronze Alloy	50 g	2/3/1982
1082	Cigarette Ignition Strength Standard	1 carton (200 cigarettes)	9/28/2017
1083	Wear-Metals in Lubricating Oil	150 mL	7/15/1991
1085c	Wear Metals in Lubricating Oil	10 ampoules (1.2 g each)	1/26/2016
1089	Steels, Set (consists of SRMs 1095, 1096, 1097, 1098 and 1099)	5 rods	10/23/1970
1090	Oxygen in Ingot Iron	rod	11/1/1985
1093	Oxygen in Valve Steel	rod	11/5/1984
1094	Oxygen in Maraging Steel	rod	11/5/1984
1107	Naval Brass UNS 46400	disk	9/25/2014
1110	Red Brass B	disk	10/1/1981
1111	Red Brass Standard	disk	10/1/1981
1112	Gilding Metal	disk	10/1/1981
1113	Gilding Metal	disk	10/1/1981
1114	Gilding Metal	disk	10/1/1981
1115	Commercial Bronze Standard for Optical Emission and X-ray Spectroscopic Analysis	disk	11/23/1981
1116	Commercial Bronze Standard for Optical Emission and X-ray Spectroscopic Analysis	disk	11/23/1981
1117	Commercial Bronze Standard for Optical Emission and X-ray Spectroscopic Analysis	disk	11/23/1981
1124	Free Cutting Brass (UNS C36000)	1 disk	5/19/2011
1128	Titanium -Base Alloy (15V-3Al-3Cr-3Sn)	disk	7/22/1991
1129	Solder (63Sn-37Pb)	200 g	5/8/1989
1131	Solder (40Sn - 60Pb)	disk	10/1/1981
1132	Lead-Base Bearing Metal (84Pb - 10Sb - 6Sn)	disk	11/18/1994
1134	Low-Alloy High-Silicon Steel (disk form)	disk	9/19/2017
1135	LA Steel, High Silicon	disk	7/27/1972
1138a	Cast Steel Standard	block	1/20/1977
1139a	Cast Steel Standard	block	1/20/1977
1155a	Stainless Steel (Cr 18 Ni 12, Mo 2)	disk	8/11/2014
1157	Tool Steel (AISI M2)	disk	8/6/1973
1158	High-Nickel Steel (Nominal Mass Fraction 36 % Ni) (disk form)	disk	6/22/2017
1159	Electronic and Magnetic Alloy Standard	disk	8/4/1981
1160	Elec/Mag Ni-Mo-Fe	disk	8/4/1981
1171	Stainless Steel Cr 17-Ni 11-Ti 0.3 (AISI 321)	disk	6/25/2014
1172	Stainless Steel Cr 17-Ni 11-Nb 0.6 (AISI 348)	disk	7/7/1971
1173	Ni-Cr-Mo-V Steel	disk	6/9/1989
1196	Standard Cigarette for Ignition Resistance Testing	2 cartons(400 cigarettes)	11/29/2012
1218	LA Steel, High Silicon	disk	11/27/1984
1219	Stainless Steel Cr16 - Ni2 (AISI 431) (disk form)	disk	9/18/1985
1223	Chromium Steel	disk	5/26/1993
1224	LA Steel, Carbon (AISI 1078)	disk	11/18/2013
1225	LA Steel (AISI 4130)	disk	3/16/1983
1226	LA Steel	disk	9/18/1996
1227	LA Steel, Basic Open Hearth, 1% C	disk	3/30/1983
1228	LA Steel, 0.1% C	disk	6/25/1993
1230	High-Temperature Alloy A286 (disk form)	disk	7/13/2016
1240c	Aluminum Alloy 3004	disk	9/9/2014
1241c	Aluminum Alloy 5182	disk	7/27/2006
1242	High Temperature Alloy L 605	disk	11/4/1991
1243	Ni-Cr-Co Alloy UNS N07001 (disk form)	disk	12/17/2012
1244	Nickel Alloy UNS N06600 (disk form)	disk	7/31/2017
1246	Incoloy® 800	disk	5/5/1984
1247	Ni-Fe-Cr Alloy UNS N08825 (disk form)	disk	12/11/2015
1249	Ni-Cr-Fe-Nb-Mo Alloy UNS N07718 (disk form)	disk	8/22/2014
1250	High-Temperature Alloy (Fe-Ni-Co)	disk	7/19/1993
1255b	Aluminum Alloy 356	disk	4/4/2006
1256b	Aluminum Alloy 380	disk	4/4/2006
1258-I	Aluminum Alloy 6011	disk	9/23/2014
1259	Aluminum Alloy 7075	disk	5/3/1978
1264a	LA Steel, High Carbon (mod.)	disk	10/20/2006
1265a	Electrolytic Iron	disk	6/12/1989
1269	Line Pipe (AISI 1526 mod.)	disk	6/11/1981
1270	LA Steel, Cr-Mo (A336) (F-22)	disk	6/11/1981
1271	LA Steel (HSLA-100)	disk	10/11/1991
1276a	Cupro-Nickel (CDA 715)	disk	6/30/1989
1286	Low Alloy Steel (HY 80)	disk	3/16/1992
1295	Stainless Steel (SAE 405)	disk	3/9/1992
1297	Stainless Steel (SAE 201)	disk	12/18/1991
1358b	Coating Thickness Standard, (Nonmagnetic Coating on Steel)	set (5)	5/24/2013
1359b	Coating Thickness Standard (Nonmagnetic Coating on Steel)	set (5)	5/24/2013
1361b	Coating Thickness Standard (Nonmagnetic Coating on Steel)	set (5)	5/24/2013
1362b	Coating Thickness Standard (Nonmagnetic Coating on Steel)	set (5)	4/23/2013
1363b	Coating Thickness Standard (Nonmagnetic Coating on Steel)	set (5)	5/24/2013
1364b	Coating Thickness Standard (Nonmagnetic Coating on Steel)	set (5)	5/24/2013
1400	Bone Ash	50 g	12/18/1992
1401	Trace Metals in Frozen Human Blood	4 vials x 1.6 mL	8/2/2017
1411	Soft Borosilicate Glass	10 platelets	8/2/1985
1413	High Alumina Sand	75 g	8/2/1985
1416	Aluminosilicate Glass for Liquidus Temperature	250 g	5/17/1994
1449	Thermal Resistance - Fumed Silica Board	each	1/10/1989
1450d	Thermal Conductivity, Fibrous Glass Board	each	1/20/2012
1452	Thermal Resistance - Fibrous Glass Blanket for High Precision Measurements	each	4/14/1986
1453	Thermal Conductivity - Expanded Polystyrene Board	each	2/26/2013
1457	Superconducting Critical Current - Nb Ti Wire	each	6/19/1984
1459	Thermal Resistance - Fumed Silica Board	each	1/10/1989
1473c	Low Density Polyethylene Resin	60 g	9/23/2016
1474b	Polyethylene Resin	60 g	9/23/2016
1476a	Branched Polyethylene Resin	12 g	9/28/2011
1478	Polystyrene (Narrow Molecular Weight Distribution)	2 g	7/15/1992
1479	Polystyrene (Narrow Molecular Weight Distribution)	2 g	3/20/1992
1482a	Linear Polyethylene Narrow Molecular Mass Distribution (Nominal Mass Average Molar Mass of 13 600 g/mol)	0.3 g	2/15/2018
1483a	Linear Polyethylene Narrow Molecular Mass Distribution (Nominal Mass Average Molar Mass of 32 100 g/mol)	0.3 g	2/15/2018
1484a	Linear Polyethylene	0.3 g	10/2/1992
1486	Bone Meal	50 g	2/17/2017
1487	Poly(Methyl Methacrylate) (6 K Narrow Molecular Weight Distribution)	2 g	6/1/1989
1488	Poly (Methyl Methacrylate) 29 K Narrow Molecular Weight Distribution	2 g	2/12/1988
1491a	Methyl-Substituted Polycyclic Aromatic Hydrocarbons in Toluene	5 x 1.2 mL	12/14/2016
1493	Polychlorinated Biphenyl Congeners in 2,2,4-Trimethylpentane	5 x 1.2 mL	5/17/2017
1494	Aliphatic Hydrocarbons in 2,2,4-Trimethylpentane	5 x 1.2 mL	4/17/2013
1496	Unpigmented Polyethylene Gas Pipe Resin	0.9 kg	9/16/1988
1507b	11-Nor-Delta-9-Tetrahydrocannabinol-9-Carboxylic Acid in Freeze-Dried Urine	set (3)	12/14/2016
1508a	Benzoylecgonine (Cocaine Metabolite) in Freeze-dried Urine	set (4)	12/1/2015
1514	Thermal Analysis Purity Set	set (4)	7/23/1984
1515	Apple Leaves	50 g	4/21/2017
1543	GC/MS System Performance Standard	4 x 1 mL	7/28/2016
1546a	Meat Homogenate	4 cans x 85 g	8/24/2017
1547	Peach Leaves	50 g	4/21/2017
1548a	Typical Diet	set (2)	11/18/2015
1566b	Oyster Tissue	25 g	6/26/2017
1567b	Wheat Flour	50 g	3/12/2014
1568b	Rice Flour	50 g	10/23/2013
1570a	Trace Elements in Spinach Leaves	60 g	2/25/2014
1573a	Tomato Leaves	50 g	11/22/1995
1575a	Trace Elements in Pine Needles (Pinus taeda)	50 g powder	7/19/2017
1577c	Bovine Liver	20 g	1/6/2016
1595	Tripalmitin	2 g	5/12/2016
1597a	Complex Mixture of Polycyclic Aromatic Hydrocarbons Coal Tar	1 x 1.3 mL	12/17/2012
1598a	Inorganic Constituents in Animal Serum	2 vials x 5 mL	1/10/2017
1614	Dioxin (2,3,7,8-TCDD in Isooctane)	6 x 1.2 mL	9/22/2009
1616b	Sulfur in Kerosene (Low Level)	100 mL	11/30/2015
1617b	Sulfur in Kerosine (High Level)	100 mL	6/11/2014
1619b	Sulfur in Residual Fuel Oil (0.7%)	100 mL	6/28/2013
1622e	Sulfur in Residual Fuel Oil (Nominal Mass Fraction 2 %)	100 mL	10/5/2015
1624d	Sulfur in Diesel Fuel Oil (Nominal Mass Fraction 0.4 %)	100 mL	4/4/2016
1632e	Trace Elements in Coal (Bituminous)	50 g	4/25/2018
1633c	Trace Elements in Coal Fly Ash	75 g	6/23/2011
1634c	Trace Elements in Fuel Oil	100 mL	6/4/2014
1635a	Trace Elements in Coal (Subbitumimous)	50 g	12/6/2017
1640a	Trace Elements in Natural Water	250 mL	6/8/2010
1641e	Mercury in Water	10x10 mL	12/11/2014
1643f	Trace Elements in Water	250 mL	8/18/2015
1646a	Estuarine Sediment	70 g	2/20/2004
1647f	Priority Pollutant Polycyclic Aromatic Hydrocarbons in Acetonitrile	5 x 1.3 mL	11/8/2017
1648a	Urban Particulate Matter	2 g	9/18/2015
1649b	Urban Dust	2 g	8/30/2016
1650b	Diesel Particulate Matter	200 mg	7/17/2013
1656	Thianthrene Combustion Calorimetric Standard	30 g	1/14/1985
1657	Synthetic Refuse-Derived Fuel Combustion Calorimetric Standard	100 g	5/14/1993
1658a	Methane in Air (Nominal Amount-of-Substance Fraction 1 µmol/mol)	6 L cylinder	9/13/2017
1659a	Methane in Air (Nominal Amount-of-Substance Fraction 10 umol/mol)	6 L cylinder	9/10/2013
1662a	Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 1000 µmol/mol)	6 L cylinder	5/2/2018
1663a	Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 1500 µmol/mol)	6 L cylinder	2/6/2015
1664a	Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 2500 µmol/mol)	6 L cylinder	7/28/2017
1667b	Propane in Air (Nominal Amount-of-Substance Fraction 50 µmol/mol)	6 L cylinder	10/3/2016
1668b	Propane in Air (Nominal Amount-of-Substance Fraction 100 µmol/mol)	6 L cylinder	2/15/2012
1669b	Propane in Air (Nominal Amount-of-Substance Fraction 500 µmol/mol)	6 L cylinder	6/8/2017
1678c	Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 50 µmol/mol)	6 L cylinder	4/4/2013
1679c	Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 100 µmol/mol)	6 L cylinder	3/11/2015
1680b	Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 500 µmol/mol)	6 L cylinder	3/12/2014
1685b	Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 250 µmol/mol)	6 L cylinder	12/9/2015
1686b	Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 500 µmol/mol)	6 L cylinder	4/6/2016
1687b	Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 1000 µmol/mol)	6 L cylinder	3/21/2018
1690	Polystyrene Spheres (Nominal Diameter 1 µm)	5 mL	8/9/2016
1691	Polystyrene Spheres (Nominal Diameter 0.3 µm)	5 mL	2/25/2016
1693a	Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 50 µmol/mol)	6 L cylinder	5/3/2016
1696a	Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 3500 µmol/mol)	6 L cylinder	7/28/2017
1710	Aluminum Alloy 3004	disk	1/26/1993
1711	Aluminum Alloy 3004	disk	1/26/1993
1713	Aluminum Alloy 5182	disk	1/26/1993
1718	Nitrous Oxide in Air (Nominal Amount-of-Substance Fraction 1 µmol/mol)	6 L cylinder	9/19/2017
1720	Northern Continental Air	30 L cylinder	9/8/2015
1721	Southern Oceanic Air	30 L cylinder	3/18/2015
1722	Halocarbons in Continental Air (Nominal Amount-of-Substance Fraction - Ambient)	29.5 L cylinder	3/16/2018
1727	Anode Tin	block	10/29/2013
1728	Tin Alloy (Sn-3Cu-0.5Ag)	disk	10/29/2013
1729	Tin Alloy (97 Sn - 3 Pb)	disk	9/25/2015
1738	Zinc-Aluminum Alloy	disk	7/14/2008
1740	Zinc-Aluminum Alloy	disk	7/14/2008
1741	Zinc-Aluminum Alloy	disk	7/14/2008
1742	Zinc-Aluminum Alloy	disk	7/14/2008
1746	Silver Freezing-Point Standard	300 g	7/6/1993
1749	Gold versus Platinum Thermocouple Certified Thermometer	each	3/18/1998
1754	Low-Alloy Steel, AISI 4320	rod	2/22/1989
1755	Nitrogen in Low Alloy Steel	disk	9/25/2014
1761a	Low Alloy Steel	disk	2/29/2008
1762a	Low Alloy Steel	disk	5/13/2015
1763a	Low Alloy Steel	disk	7/8/2010
1764a	Low Alloy Steel	disk	6/9/2009
1765	Low Alloy Steel	disk	2/26/1993
1766	Low Alloy Steel	disk	2/26/1993
1767	Low Alloy Steel	disk	6/9/1993
1768	High-Purity Iron (disk form)	disk	7/19/2017
1772	Tool Steel (S-7)	disk	10/31/1995
1775	Refractory Alloy MP-35-N	disk	7/9/2014
1810a	Linerboard	50 each	7/7/1999
1818a	Chlorine in Lubricating Base Oils	set (5)	4/11/1994
1819a	Sulfur in Lubricating Base Oil	set (5)	4/11/1994
1828c	Ethanol-Water Solutions (Six Levels)	6 x 1.2 mL	12/22/2017
1830	Soda-Lime Float Glass (Nominal Mass Fraction 0.1 % Al2O3)	3 platelets	7/12/2017
1831	Soda-Lime Sheet Glass (Nominal Mass Fraction 1.2 % Al2O3)	3 platelets	7/12/2017
1835	Borate Ore	60 g	9/14/1987
1845a	Whole Egg Powder	5 pouches x 10 g each	5/7/2018
1849a	Infant/Adult Nutritional Formula	10 pouches x 10 g each	10/29/2015
1857	Tool Steel for Abrasive Wear Standard	2 blocks	3/8/1983
1877	Beryllium Oxide Powder	20 g	9/18/2008
1878b	Respirable Alpha Quartz (Quantitative X-Ray Powder Diffraction Standard)	5 g	11/16/2017
1879b	Respirable Cristobalite (Quantitative X-Ray Powder Diffraction Standard)	5 g	11/16/2017
1880b	Portland Cement	4 vials x 5 g	5/25/2010
1881b	Portland Cement (Blended with Fly Ash)	5 vials x 5 g	6/16/2016
1882a	Calcium Aluminate Cement	4 vials x 5 g	4/8/2014
1883a	Calcium Aluminate Cement	4 vials x 5 g	5/22/2014
1884b	Portland Cement	5 vials x 4.5 g	11/2/2009
1885b	Portland Cement	5 vials x 5 g	12/16/2013
1886b	White Portland Cement	5 vials x 5 g	3/21/2016
1886a	Portland Cement (White Portland Cement with Low Iron)	4 vials x 5 g	2/5/2016
1887b	Portland Cement	4 vials x 5 g each	12/17/2013
1888b	Portland Cement	4 vials x 5 g	7/27/2010
1889a	Portland Cement (Blended with Limestone)	4 vials x 5 g	11/29/2016
1893	Copper Microhardness Test Block (Knoop)	each	9/4/2012
1894a	Vickers Microhardness of Copper	each	9/4/2012
1895	Nickel Microhardness Test Block (Knoop)	each	9/4/2012
1896b	Vickers Microhardness of Nickel	each	9/4/2012
1898	Titanium Dioxide Nanomaterial	15 g	6/14/2012
1900	Specific Surface Area Standard	4 g	3/19/1998
1905	Nickel Microhardness Test Block (Knoop)	each	3/20/1992
1906	Nickel Microhardness Test Block (Knoop)	each	11/2/1994
1907	Nickel Microhardness Test Block (Knoop)	each	3/14/1995
1908	Vickers Microhardness of Nickel	each	9/4/2012
1909	Vickers Microhardness of Nickel	each	9/4/2012
1917	Mercury Porosimetry Standard	10 g	10/7/2010
1921b	Infrared Transmission Wavelength Standard	1 card	6/11/2018
1932	Fluorescein Solution	3 x 2 mL	6/5/2017
1934	Fluorescent Dyes for Quantitative Flow Cytometry (Visible Spectral Range)	4 ampoules x 1 each level	4/25/2016
1941b	Organics in Marine Sediment	50 g	1/16/2015
1944	New York/New Jersey Waterway Sediment	50 g	2/17/2017
1945	Organics in Whale Blubber	2x15 g	4/13/2016
1946	Lake Superior Fish Tissue	5 x 7-9 grams	7/24/2017
1947	Lake Michigan Fish Tissue	5 x 8 grams	5/31/2017
1950	Metabolites in Frozen Human Plasma	5 vials x 1 mL	4/21/2016
1951c	Lipids in Frozen Human Serum	4 vials x 1 mL	1/5/2018
1952a	Cholesterol in Freeze-Dried Human Serum	6 vials x 3 mL	2/11/2016
1953	Organic Contaminants in Non-Fortified Human Milk	5 x 5 mL	1/6/2017
1954	Organic Contaminants in Fortified Human Milk	5 x 5 mL	2/1/2016
1957	Organic Contaminants in Non-Fortified Human Serum (Freeze-Dried)	5 vials x 10.7 mL	1/26/2016
1958	Organic Contaminants in Fortified Human Serum (Freeze-Dried)	5 vials x 10.7 mL	11/30/2015
1961	Polystyrene Spheres 30 µm Diameter Polystyrene Spheres	5 mL	1/20/1987
1965	Microsphere Slide (10-µm Polystyrene Spheres)	slide	1/15/1987
1967a	High-Purity Platinum Thermoelement	0.51 x 1 m platinum wire	9/22/2015
1968	Gallium Melting-Point Standard	25 g	3/11/1991
1972	1,3-Dioxolan-2-one Triple Point	60 g	5/26/1994
1974c	Organics in Mussel Tissue (Mytilus edulis)	5 jars x 10 g	5/1/2018
1976b	Instrument Response Standard for X-Ray Powder Diffraction	1 disc	11/4/2015
1978	Particles Size Distribution Standard for Gravity Sedimentation	5 g	9/16/1993
1979	Powder Diffraction Line Profile Standard for Crystallite Size Analysis(Nano-Crystalline ZnO Powder)	2 x 3 g	10/17/2016
1980	Positive Electrophoretic Mobility (+µE) Standard	500 mg/L	9/30/2016
1982	Thermal Spray Powder – Particle Size Distribution Yttria-Stabilized Zirconia (Spheroidal)	10 g	9/19/2016
1984	Thermal Spray Powder - Particle Size Distribution Tungsten Carbide/Cobalt (Acicular)	14 g	9/28/2015
1985	Thermal Spray Powder - Particle Size Distribution Tungsten Carbide/Cobalt (Spheroidal)	14 g	12/15/2011
1990	Single Crystal Diffractometer Alignment Standard - Ruby Sphere	3 spheres	2/28/2001
1991	Mix Coal Tar/Petroleum Extract in Methylene Chloride	5 x 1.2 mL	2/25/2013
1994	Standard Silicon Single Crystal Wafer for Crystalline Orientation	100-mm wafer	2/6/2007
1995	Standard Sapphire Single Crystal Wafer for Crystalline Orientation	50-mm wafer	10/2/2008
2034	Holmium Oxide Solution Wavelength Standard (240 nm to 650 nm)	Cuvette	8/29/2016
2035b	Ultraviolet-Visible-Near-Infrared Wavelength/Wavenumber Transmission Standard	each	1/12/2018
2036	Near Infrared Wavelength/Wavenumber Reflection Standard	each	1/24/2013
2061	TiAl(NbW) Alloy for Microanalysis	cube	5/16/2005
2066	K-411 Glass Microspheres	50 mg	8/23/2000
2074	Sinusoidal Roughness Specimen	each	2/26/2013
2075	Sinusoidal Roughness Specimen	each	2/26/2013
2082	Pathlength Absorbance Standards for Microliter Volume Spectrophotometers	set of 3 vials	8/4/2016
2092	Low-Energy Charpy V-Notch Specimens (NIST-Verification, 8-mm Striker)	set	1/17/2018
2093	Low-Energy Charpy V-Notch Specimens (Self-Verification, 8-mm Striker)	set	9/15/2017
2096	High-Energy Charpy V-Notch Specimens (NIST-Verification, 8 mm-Striker)	set	1/17/2018
2097	High-Energy Charpy V-Notch Specimens (Self-Verification, 8-mm Striker)	set	1/17/2018
2100a	Fracture Toughness of Ceramic	5 bars	3/3/2016
2100b	Fracture Toughness of Ceramic	5 bars	3/3/2016
2112	Dynamic Impact Force Verification Specimens (Self-Verification, 8-mm Striker, nominal 24 kN)	set	1/17/2018
2113	Dynamic Impact Force Verification Specimens (Self-Verification, 8-mm Striker; 33 kN nominal)	set	1/17/2018
2133	Phosphorus Implant in Si Depth Profile	each	8/5/2010
2134	Arsenic Implant in Silicon Depth Profile Standard	each	8/5/2010
2135c	Ni/Cr Thin Film Depth Profile	each	2/1/1999
2137	Boron Implant in Silicon Standard for Calibration of Concentration in a Depth Profile	each	8/5/2010
2139	Zinc-Aluminum Alloy	100 g	7/31/2008
2141	Urea	2 g	8/28/1970
2143	p-Fluorobenzoic Acid	2 g	1/12/1982
2144	m-Chlorobenzoic Acid	2 g	4/5/1973
2152	Urea Combustion Calorimetric Standard	25 g	1/14/1985
2160	Low-Alloy Steel (pin form)	200 g	3/29/1990
2161	Low Alloy Steel (chip form)	150 g	3/22/2018
2162	Low Alloy Steel (chip form)	150 g	3/22/2018
2163	Low Alloy Steel (chip form)	150 g	3/22/2018
2164	Low Alloy Steel (chip form)	150 g	4/2/2018
2165	Low Alloy Steel (chip form)	150 g	2/8/2018
2166	Low Alloy Steel	150 g	6/3/2011
2167	Low Alloy Steel	150 g	6/2/2011
2168	High-Purity Iron (chip form)	150 g	6/23/2017
2171	LA Steel, (HSLA 100)	150 g	10/11/1991
2172	S-7 Tool Steel	150 g	12/31/1996
2175	Refractory Alloy MP-35-N	150 g	7/9/2014
2181	HEPES	60 g	3/4/1992
2182	HEPES Sodium Salt	60 g	3/4/1992
2185	Potassium Hydrogen Phthalate pD Standard	60 g	11/28/1984
2186I	Potassium Dihydrogen Phosphate	30 g	5/28/1968
2186II	Disodium Hydrogen Phosphate	30 g	5/28/1968
2191a	Sodium Bicarbonate	30 g	2/18/1994
2192a	Sodium Carbonate	30 g	2/18/1994
2197	Low-Energy Charpy V-Notch Specimens (Self-Verification, 2-mm Striker)	set	11/9/2017
2198	High-Energy Charpy V-Notch Specimens (Self-Verification, 2-mm Striker)	set	11/9/2017
2201	Sodium Chloride (Ion-Selective)	125 g	5/24/1993
2203	Potassium Fluoride (Standard for Ion-Selective Electrodes)	125 g	5/21/1973
2206	Controlled Pore Glass - BET Specific Surface Area (300 nm)	5 g	4/27/2012
2207	Controlled Pore Glass - BET Specific Surface Area (Nominal Pore Diameter 18 nm)	5 g	4/27/2012
2214	Isooctane Liquid Density	4 x 5 mL	2/20/2001
2216	Miniaturized Low-Energy Charpy V-Notch KLST Specimens (Self-Verification)	set	1/19/2018
2218	Miniaturized High-Energy Charpy V-Notch KLST Specimens (Self-Verification)	set	1/19/2018
2219	Miniaturized Super-High Energy Charpy V-Notch KLST Specimens (Self-Verification)	set	2/2/2018
2235	Bismuth for Thermal Analysis	1.5 g	8/7/2015
2241	Relative Intensity Correction Standard for Raman Spectroscopy: 785 nm Excitation	each	8/24/2015
2244	Relative Intensity Correction Standard for Raman Spectroscopy: 1064 nm Excitation	each	9/8/2015
2245	Relative Intensity Correction Standard for Raman Spectroscopy: 633 nm Excitation	each	8/23/2016
2246	Relative Intensity Correction Standard for Raman Spectroscopy: 830 nm Excitation	each	12/16/2015
2259	Polychlorinated Biphenyl Congeners in 2,2,4-Trimethylpentane	5 ampoules x 1.2 mL	5/17/2017
2260a	Aromatic Hydrocarbons in Toluene	5 x 1.2 mL	11/6/2017
2262	Chlorinated Biphenyl Congeners in 2,2,4-Trimethylpentane (Nominal Mass Concentration 2 μg/mL)	5 x 1.2 mL	7/6/2017
2266	Hopanes and Steranes in 2,2,4 Trimethylpentane	5 x 1.2 mL	4/4/2016
2269	Perdeuterated PAH-I Solution in Hexane/Toluene	5x1.2 mL	11/6/2009
2270	Perdeuterated PAH-II Solution in Hexane/Toluene	5x1.2 mL	11/6/2009
2273	Chlorinated Pesticides (DDTs) and Metabolites in Isooctane	5x1.2 mL	2/14/2012
2274	Polychlorinated Biphenyl Congeners in 2,2,4-Trimethylpentane	5x1.2 mL	6/7/2017
2275	Chlorinated Pesticide Solution-II in Isooctane	5x1.2 mL	11/6/2009
2285	Ignitable Liquids Test Mixture	5 x 1.2 mL	5/9/2013
2294	Reformulated Gasoline (Nominal Mass Fraction 11% MTBE)	2 x 20 mL	9/18/2012
2295	Reformulated Gasoline (nominal 15% MTBE)	2 x 20 mL	9/18/2012
2296	Reformulated Gasoline (Nominal Mass Fraction 13 % ETBE)	2 x 20 mL	9/18/2012
2297	Reformulated Gasoline (Nominal Mass Fraction 10% Ethanol)	2 x 20 mL	9/18/2012
2298	Sulfur in Gasoline (High-Octane)	5 x 20 mL	2/10/2017
2299	Sulfur in Gasoline (Reformulated)	5 x 20 mL	2/10/2017
2366a	Cytomegalovirus DNA (TowneΔ147 BAC) for DNA Measurements	1 vial x 150 uL	9/1/2015
2372a	Human DNA Quantitation Standard	3 vials x 55 µL	3/13/2018
2373	Genomic DNA Standards for HER2 Measurements	5 vials, 1 each level	10/13/2015
2374	DNA Sequence Library for External RNA Controls	96 tubes	12/6/2017
2377	Fatty Acid Methyl Esters in 2,2,4-Trimethylpentane	5 x 1.2 mL	2/10/2017
2378	Fatty Acids in Frozen Human Serum	3 vials x 1 mL	2/11/2016
2384	Baking Chocolate	5 x 91 g	2/5/2015
2385	Slurried Spinach	4 x 70 g	2/2/2018
2387	Peanut Butter	3 x 170 g	7/21/2015
2389a	Amino Acids in 0.1 mol/L Hydrochloric Acid	5 ampoules x 1.2 mL	7/1/2010
2391c	PCR-Based DNA Profiling Standard	5 vials	5/24/2018
2392-I	Mitochondrial DNA Sequencing (Human HL-60 DNA)	each	2/2/2018
2393	CAG Repeat Length Mutation in Huntington's Disease	set (6)	10/1/2015
2394	Heteroplasmic Mitochondrial DNA Mutation Detection Std	set (10)	7/9/2014
2396	Oxidative DNA Damage Mass Spectrometry Standards	set (10)	4/10/2012
2426	55 % Aluminum-Zinc Alloy	40 g	3/31/2006
2429	Flue Gas Desulfurization Gypsum	1 bottle x 200 g	10/7/2015
2430	Scheelite Ore	100 g	7/13/2016
2431	Titanium Base Alloy	50 g	8/16/1993
2432	Titanium-Base Alloy 10V - 2Fe - 3Al	50 g	8/16/1993
2433	Titanium-Base Alloy 8Al-1Mo-1V	50 g	4/15/1996
2445	Mercury in Iodized Activated Carbon	25 g	11/3/2015
2448	Mercury in Brominated Activated Carbon	25 g	1/7/2015
2451	Fine Carbon (Activated) - From Cyanide Ore Leaching	100 g	7/18/2014
2453a	Hydrogen In Titanium Alloy (Nominal Mass Fraction 125 mg/kg H)	10 g	4/27/2015
2454	Hydrogen In Titanium Alloy	10 g	2/20/2014
2461	Standard Cartridge Case	1 each	6/22/2012
2483	Single-Wall Carbon Nanotubes (Raw Soot)	250 mg	11/14/2011
2484	Multiwall Carbon Nanotubes (Raw Soot)	6 g	5/11/2017
2492	Bingham Paste Mixture for Rheological Measurements	kit for two batches	11/5/2015
2493	Bingham Mortar Mixture for Rheological Measurements	kit for two batches	10/6/2017
2514	Wavelength Calibration Reference for 1560 nm to 1595 nm	each	5/17/2002
2515	Wavelength Calibration Reference for 1595 nm to 1630 nm	each	1/17/2007
2517a	High Resolution Wavelength Calibration Reference for 1510 to 1540 nm Acetylene 12C2H2	each	6/13/2005
2520	Optical Fiber Diameter Standard	each	5/24/2007
2541	Silicon Resistivity Standard - 0.01 ohm•cm Level	wafer	1/6/2004
2543	Silicon Resistivity Standard - 1 ohm•cm Level	wafer	6/15/2004
2553	Optical Fiber Coating Diameter (Nominal Refractive Index 1.504)	each	10/27/2014
2554	Optical Fiber Coating Diameter (Nominal Refractive Index 1.515)	each	10/27/2014
2556	Used Auto Catalyst (Pellets)	70 g	8/24/1993
2557	Used Auto Catalyst (Monolith)	70 g	8/24/1993
2569	Lead Paint Films for Children's Products	8 sheets	5/17/2012
2570	Lead Paint Film for Building Surfaces (Blank) (Color: White)	1 film	4/14/2016
2571	Lead Paint Film for Building Surfaces (Nominal PB 3.5 mg/cm2 (Color: Yellow)	1 +blank	4/14/2016
2572	Lead Paint Film for Building Surfaces (Nominal Pb 1.6 mg/cm2) (Color: Orange)	1 +blank	4/14/2016
2573	Lead Paint Film for Building Surfaces (Nominal Pb 1.0 mg/cm2) (Color: Red)	1 +blank	4/14/2016
2574	Lead Paint Film for Building Surfaces (Nominal Pb 0.7 mg/cm2) (Color: Gold)	1 +blank	4/14/2016
2575	Lead Paint Film for Building Surfaces (Nominal Pb 0.3 mg/cm2) (Color: Green)	1 +blank	4/14/2016
2576	Lead Paint Film for Building Surfaces (Nominal Pb 5.6 mg/cm2) (Color: Blue)	1 +blank	4/14/2016
2579a	Lead Paint Films For Building Surfaces (SRM 2570 through SRM 2575)	set (6)	4/16/2016
2580	Powdered Paint (Nominal Mass Fraction of 4 % Lead)	30 g	5/15/2009
2581	Powdered Paint (Nominal Mass Fraction of 0.5 % Lead)	35 g	6/8/2009
2582	Powdered Paint (Nominal 200 mg/kg Lead)	20 g	6/8/2009
2583	Trace Elements in Indoor Dust (Nominal Mass Fraction of 90 mg/kg Lead)	8 g	1/29/2016
2584	Trace Elements in Indoor Dust (Nominal Mass Fraction of 1 % Lead)	8 g	1/29/2016
2585	Organic Contaminants in House Dust	10 g	1/12/2018
2586	Trace Elements in Soil Containing Lead From Paint (Nominal Mass Fraction of 500 mg/kg Lead)	55 g	4/12/2017
2587	Trace Elements in Soil Containing Lead from Paint (Nominal Mass Fraction of 3000 mg/kg Lead)	55 g	3/11/2013
2589	Powdered Paint (Nominal Mass Fraction of 10 % Lead)	35 g	6/8/2009
2613a	Carbon Monoxide in Air (Nominal Amount-of-Substance Fraction 20 µmol/mol)	6 L cylinder	7/13/2016
2614a	Carbon Monoxide in Air (Nominal Amount-of-Substance Fraction 45 µmol/mol)	6 L cylinder	5/5/2015
2617	Carbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 500 µmol/mol)	6 L cylinder	12/12/2017
2619a	Carbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 0.5 % mol/mol)	6 L cylinder	12/18/2012
2621a	Carbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 1.5 % mol/mol)	6 L cylinder	9/7/2011
2622a	Carbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 2 % mol/mol)	6 L cylinder	10/25/2017
2624a	Carbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 3 % mol/mol)	6 L cylinder	6/7/2017
2625a	Carbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 3.5 % mol/mol)	6 L cylinder	7/19/2017
2627a	Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 5 µmol/mol)	6 L cylinder	9/17/2014
2630	Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 1500 µmol/mol)	6 L cylinder	6/12/2017
2635a	Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 25 µmol/mol)	6 L cylinder	5/22/2013
2636a	Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 250 µmol/mol)	6 L cylinder	6/6/2016
2637a	Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 2500 µmol/mol)	6 L cylinder	9/3/2014
2640a	Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 2 % mol/mol)	6 L cylinder	9/15/2014
2641a	Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 4 % mol/mol)	6 L cylinder	9/2/2011
2642a	Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 8 % mol/mol)	6 L cylinder	9/2/2011
2644a	Propane in Nitrogen (Nominal Amount-of-Substance Fraction 250 µmol/mol)	6 L cylinder	7/24/2014
2658a	Oxygen in Nitrogen (Nominal Amount-of-Substance Fraction 10 % mol/mol)	6 L cylinder	2/23/2016
2668	Toxic Elements in Frozen Human Urine	10 vials x 1.5 mL	11/3/2011
2669	Arsenic Species in Frozen Human Urine	10 vials x 1.5 mL	1/19/2016
2670a	Toxic Elements in Freeze-Dried Urine	4 bottles x 20 mL	12/31/2015
2681	Trace Constituent Elements in Blank Filters	10 filters	5/2/1988
2682c	Subbituminous Coal (Nominal Mass Fraction 0.5 % Sulfur)	1 bottle x 50 g	9/17/2015
2683c	Bituminous Coal (Nominal Mass Fraction 2 % Sulfur)	50 g	12/19/2016
2684c	Bituminous Coal (Nominal Mass Fraction 3 % Sulfur)	50 g	9/22/2014
2685c	Bituminous Coal (Nominal Mass Fraction 5 %Sulfur)	50 g	10/22/2013
2688	Portland Cement Clinker	3 vials x 10 g	8/23/2017
2689	Coal Fly Ash	3 x 10 g	7/20/2015
2690	Coal Fly Ash	3 x 10 g	7/21/2015
2691	Coal Fly Ash	3 x 10 g	7/22/2015
2692c	Bituminous Coal (Nominal Mass Fraction 1 % Sulfur)	50 g	9/29/2010
2693	Bituminous Coal (Nominal Mass Fraction 0.5 % Sulfur)	50 g	10/19/2016
2696	Silica Fume (powder form)	70 g	9/8/2017
2700	Hexavalent Chromium in Contaminated Soil (Low Level)	75 g	9/2/2015
2701	Hexavalent Chromium in Contaminated Soil (High Level)	75 g	9/13/2013
2702	Inorganics in Marine Sediment	50 g	5/17/2016
2703	Sediment for Solid Sampling (Small Sample) Analytical Techniques	5 g	8/21/2012
2709a	San Joaquin Soil	50 g	4/7/2009
2710a	Montana I Soil	50 g	4/7/2009
2711a	Montana II Soil	50 g	5/22/2009
2717a	Sulfur in Residual Fuel Oil (Nominal Mass Fraction 3%)	100 mL	10/5/2015
2718a	Green Petroleum Coke	50 g	8/9/2017
2719	Calcined Petroleum Coke	50 g	8/30/2010
2720	Sulfur in Di-n-Butyl Sulfide	5 x 4.5 mL	9/9/2008
2721	Crude Oil (Light -Sour)	5X10 mL	3/12/2014
2722	Crude Oil (Heavy Sweet)	5X10 mL	3/11/2014
2723b	Sulfur in Diesel Fuel Oil (Nominal Mass Fraction 10 mg/kg)	100 mL	11/3/2015
2730	Hydrogen Sulfide in Nitrogen (Nominal Amount-of-Substance Fraction 5 µmol/mol)	6 L cylinder	9/25/2017
2731	Hydrogen Sulfide in Nitrogen (Nominal Amount-of-Substance Fraction 20 µmol/mol)	6 L cylinder	5/2/2018
2738	Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 1000 nmol/mol)	6 L cylinder	8/22/2016
2740a	Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 10 % mol/mol)	6 L cylinder	1/7/2013
2741a	Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 13 % mol/mol)	6 L cylinder	6/28/2017
2745	Carbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 16 % mol/mol)	6 L cylinder	8/22/2013
2750	Methane in Air (Nominal Amount-of-Substance Fraction 50 µmol/mol)	6 L cylinder	11/22/2013
2751	Methane in Air (Nominal Amount-of-Substance Fraction 100 µmol/mol)	6 L cylinder	10/17/2013
2764	Propane in Air (Nominal Amount-of-Substance Fraction 0.25 µmol/mol)	6 L cylinder	3/8/2013
2765	Propane in Air (Nominal Amount-of-Substance Fraction 100 nmol/mol)	6 L cylinder	5/31/2017
2770	Sulfur in Diesel Fuel Oil (Nominal Mass Fraction 40 mg/kg)	10 x 10 mL	5/2/2016
2772	B100 Biodiesel (Soy-Based)	5 ampoules x 10 mL each	10/20/2016
2775	Foundry Coke	50 g	8/30/2010
2776	Furnace Coke	50 g	8/30/2010
2779	Gulf of Mexico Crude Oil	5 x 1.2mL	6/4/2012
2780a	Hard Rock Mine Waste	50 g	2/20/2018
2781	Domestic Sludge	40 g	9/15/2015
2782	Industrial Sludge	70 g	9/20/2015
2783	Air Particulate on Filter Media	2 +2 Blnk (47 mm dia)	12/13/2011
2786	Fine Atmospheric Particulate Matter (Mean Particle Diameter < 4 µm)	100 mg to 140 mg	12/1/2016
2787	Fine Atmospheric Particulate Matter (Mean Particle Diameter < 10 µm)	100 mg to 140 mg	12/1/2016
2798a	Vickers Microhardness of Nickel	each	9/4/2012
2806b	Medium Test Dust (MTD) in Hydraulic Fluid	2 x 400mL	6/12/2014
2810	Rockwell C Hardness, Low Range	each	3/20/2013
2811	Rockwell C Hardness - Mid Range	each	3/20/2013
2812	Rockwell C Scale Hardness - High Range	each	4/25/2013
2816	Rockwell Hardness 15N Scale - Low Range (Nominal 72 HR15N)	1 block	12/8/2011
2817	Rockwell Hardness 15N Scale - Mid Range (Nominal 83 HR15N)	1 block	12/8/2011
2818	Rockwell Hardness 15N Scale - High Range (Nominal 91 HR15N)	1 block	12/8/2011
2819	Rockwell Hardness 30N Scale - Low Range (Nominal 45 HR30N)	1 block	12/8/2011
2820	Rockwell Hardness 30N Scale - Mid Range (Nominal 64 HR30N)	1 block	12/8/2011
2821	Rockwell Hardness 30N Scale - High Range (Nominal 79 HR30N)	1 block	12/8/2011
2828	Knoop Microhardness of Steel	each	12/31/2012
2829	Vickers Microhardness of Steel	each	9/10/2012
2830	Knoop Hardness of Ceramics	each	2/13/1996
2831	Vickers Hardness of Ceramics and Hardmetals	each	6/20/2003
2841	Semiconductor Thin Film: AlxGa1-xAs Epitaxial Layers (Al mole fraction x near 0.20)	disk	10/18/2011
2842	Semiconductor Thin Film: AlxGa1-xAs Epitaxial Layers (Al mole fraction x near 0.30)	disk	10/18/2011
2855	Additive Elements in Polyethylene	3 Levels, 80 g each	5/10/2013
2859	Restricted Elements in Polyvinyl Chloride	25 g	8/10/2017
2861	Restricted Elements in Polyvinyl Chloride	25 g	8/9/2017
2870	Relative Permittivity and Loss Tangent 1422 Cross-Linked Polystyrene	circular-cylindrical puck	2/6/2013
2881	Polystyrene Absolute Molecular Mass Distribution Standard	0.3 g	12/12/2008
2885	Polyethylene (Mass-Average Molar Mass [Mw] 6 280 g/mol)	0.3 g	5/25/2018
2886	Polyethylene (Mass Average Molar Mass [MW] 87 000 g/mol)	0.3 g	1/19/2018
2887	Polyethylene (Mw, 196 400 g/mol)	0.3 g	7/24/2015
2890	Water Saturated 1-Octanol	5 x 2 mL	7/2/2015
2891	Ethanol-Water Solution (Nominal Mass Fraction 0.02 %)	5 x 1.2 mL	4/11/2013
2892	Ethanol-Water Solution (Nominal Mass Fraction 0.04 %)	5 x 1.2 mL	4/12/2013
2893a	Ethanol-Water Solution (Nominal Mass Fraction 0.08 %)	5 x 1.2 mL	12/22/2017
2894	Ethanol-Water Solution (Nominal Mass Fraction 0.1 %)	5 x 1.2 mL	4/11/2013
2895	Ethanol-Water Solution (Nominal Mass Fraction 0.2 %)	5 x 1.2 mL	4/11/2013
2896	Ethanol-Water Solution (Nominal Mass Fraction 0.3 %)	5 x 1.2 mL	4/11/2013
2897a	Ethanol Water Solution (Nominal Mass Fraction 2 %)	5 x 10 mL	5/30/2013
2898a	Ethanol Water Solution, (Nominal Mass Fraction 6 %)	5 x 10 mL	5/30/2013
2899a	Ethanol-Water Solution (Nominal Mass Fraction 25 %)	5 x 10 mL	8/23/2017
2900	Ethanol-Water Solution (Nominal Mass Fraction 95.6%)	5 x 10 mL	6/16/2015
2905	Trace Terrorist Explosives Simulants	4 bottles x 1 g each	3/25/2013
2910b	Hydroxyapatite	2 g	12/16/2015
2924	C-Reactive Protein Solution	3 vials x 1 mL	7/10/2017
2943	Relative Intensity Correction Standard for Fluorescence Spectroscopy: Blue Emission	each(12.5 x 12.5 x 45)mm	10/5/2009
2944	Relative Intensity Correction Standard for Fluorescence Spectroscopy: Red Emission	each(12.5 x 12.5 x 45)mm	9/6/2011
2950a	Respirable Alpha Quartz on Filter Media (Nominal Mass of Alpha Quartz 5 µg-500 µg)	35 filters plus 35 blanks	6/3/2015
2971	24R,25-Dihydroxyvitamin D3 Calibration Solution	5 ampoules x 1 mL	2/26/2018
2972a	25-Hydroxyvitamin D Calibration Solutions	20 ampoules x 1.2 mL	2/14/2017
2973	Vitamin D Metabolites in Frozen Human Serum (High Level)	2 vials x 1 mL	12/14/2017
2974a	Organics in Freeze-Dried Mussel Tissue (Mytilus edulis)	5 g	7/19/2016
2975	Diesel Particulate Matter	1 g	12/3/2013
2976	Trace Elements and Methylmercury in Mussel Tissue (Freeze-Dried)	25 g	1/26/2018
3035	Arsenic Species in Apple Juice	5 x 1.5 mL	6/16/2017
3036	Arsenic Acid (AsV) Standard Solution	2 x 10 mL	2/1/2018
3037	Arsenous Acid (AsIII) Standard Solution	2 x 10 mL	2/1/2018
3060	Monoester Phthalates in Acetonitrile	5 ampoules x 1.2 mL	7/26/2016
3074	Phthalates in Methanol	5 x 1.2 mL	3/5/2013
3077	Aroclor 1242 in Transformer Oil	5x1.2 mL	6/20/2012
3079	Aroclor 1254 in Transformer Oil	5x1.2 mL	6/20/2012
3080	Aroclor 1260 in Transformer Oil	5x1.2 mL	6/20/2012
3101a	Aluminum (Al) Standard Solution	5 x 10 mL	7/17/2015
3102a	Antimony (Sb) Standard Solution	50 mL	6/15/2016
3103a	Arsenic (As) Standard Solution	5 x 10 mL	3/21/2016
3104a	Barium (Ba) Standard Solution	50 mL	2/22/2016
3105a	Beryllium (Be) Standard Solution	5 x 10 mL	5/23/2011
3107	Boron (B) Standard Solution	50 mL	10/20/2016
3108	Cadmium (Cd) Standard Solution	5 x 10 mL	4/24/2013
3109a	Calcium (Ca) Standard Solution	5 x 10 mL	11/19/2013
3110	Cerium (Ce) Standard Solution	5x10 mL	12/22/2016
3111a	Cesium (Cs) Standard Solution	5 x 10 mL	12/18/2013
3112a	Chromium (Cr) Standard Solution	5 x 10 mL	1/25/2018
3114	Copper (Cu) Standard Solution	50 mL	1/25/2018
3115a	Dysprosium (Dy) Standard Solution	5x10 mL	8/18/2016
3116a	Erbium (Er) Standard Solution	5x10 mL	2/28/2018
3117a	Europium (Eu) Standard Solution	5x10 mL	2/21/2013
3118a	Gadolinium (Gd) Standard Solution	5x10 mL	2/25/2016
3119a	Gallium (Ga) Standard Solution	5 x 10 mL	10/28/2014
3120a	Germanium (Ge) Standard Solution	50 mL	10/3/2017
3121	Gold (Au) Standard Solution	5 x 10 mL	3/14/2018
3122	Hafnium (Hf) Standard Solution	50 mL	5/27/2016
3123a	Holmium (Ho) Standard Solution	5 x 10 mL	8/19/2011
3124a	Indium (In) Standard Solution	5 x 10 mL	2/23/2012
3126a	Iron (Fe) Standard Solution	5 x 10 mL	10/28/2014
3127a	Lanthanum (La) Standard Solution	5 x 10 mL	7/7/2016
3128	Lead (Pb) Standard Solution	5 x 10 mL	4/18/2011
3129a	Lithium (Li) Standard Solution	5 x 10 mL	3/5/2012
3130a	Lutetium (Lu) Standard Solution	5 x 10 mL	6/14/2011
3131a	Magnesium (Mg) Standard Solution	5 x 10 mL	3/19/2015
3133	Mercury (Hg) Standard Solution	5 x 10 mL	12/22/2016
3134	Molybdenum (Mo) Standard Solution	5 x 10 mL	6/13/2013
3135a	Neodymium (Nd) Standard Solution	5 x 10 mL	7/21/2015
3136	Nickel (Ni) Standard Solution	5 x 10 mL	4/23/2013
3137	Niobium (Nb) Standard Solution	50 mL	6/29/2017
3138	Palladium (Pd) Standard Solution	5 x 10 mL	10/14/2011
3140	Platinum (Pt) Standard Solution	5 x 10 mL	10/16/2015
3141a	Potassium (K) Standard Solution	5 x 10 mL	3/17/2015
3142a	Praseodymium (Pr) Standard Solution	5 x 10 mL	7/19/2017
3143	Rhenium (Re) Standard Solution	5 x 10 mL	9/29/2016
3145a	Rubidium (Rb) Standard Solution	5 x 10 mL	2/3/2016
3147a	Samarium (Sm) Standard Solution	5 x 10 mL	4/20/2016
3148a	Scandium (Sc) Standard Solution	5 x 10 mL	6/14/2011
3149	Selenium (Se) Standard Solution	5 x 10 mL	7/18/2016
3150	Silicon (Si) Standard Solution	50 mL	7/21/2015
3151	Silver (Ag) Standard Solution	5 x 10 mL	12/22/2016
3152a	Sodium (Na) Standard Solution	50 mL	1/16/2018
3155	Tantalum (Ta) Standard Solution	50 mL	9/6/2016
3156	Tellurium (Te) Standard Solution	5 x 10 mL	8/23/2016
3157a	Terbium (Tb) Standard Solution	5 x 10 ml	6/14/2011
3158	Thallium (Tl) Standard Solution	5 x 10 mL	3/1/2018
3161a	Tin (Sn) Standard Solution	50 mL	11/10/2015
3163	Tungsten (W) Standard Solution	50 mL	2/13/2015
3164	Uranium (U) Standard Solution (Radioactive)	5 x 10 mL	12/7/2011
3165	Vanadium (V) Standard Solution	5 x 10 mL	7/5/2017
3166a	Ytterbium (Yb) Standard Solution	5 x 10 mL	6/15/2016
3167a	Yttrium (Y) Standard Solution	5 x 10 mL	3/14/2013
3168a	Zinc (Zn) Standard Solution	5 x 10 mL	3/20/2018
3169	Zirconium (Zr) Standard Solution	50 mL	6/12/2017
3177	Mercuric Chloride Standard Solution	5 x 10 mL	6/23/2014
3181	Sulfate Anion (SO42–) Standard Solution	5 x 10 mL	8/9/2017
3182	Chloride Anion (Cl–) Standard Solution	5 x 10 mL	1/4/2017
3183	Fluoride Anion (F-) Standard Solution	50 mL	11/16/2016
3184	Bromide Anion (Br-) Standard Solution	5 x 10 mL	11/16/2016
3185	Nitrate Anion (NO3–) Standard Solution	5 x 10 mL	8/14/2017
3186	Phosphate Anion (PO43-) Standard Solution	5 x 10 mL	1/16/2018
3222	Cigarette Tobacco Filler	20 x 10 g	8/23/2016
3232	Kelp Powder (Thallus laminariae)	3 pouches x 5 g	5/8/2017
3233	Fortified Breakfast Cereal	60 g each	6/14/2017
3234	Soy Flour	50 g	10/25/2017
3235	Soy Milk	10 x 10 mL	2/21/2017
3236	Soy Protein Isolate	5 x 10 g	4/8/2014
3237	Soy Protein Concentrate	5 x 10 g	10/17/2014
3238	Soy-Containing Solid Oral Dosage Form	5 x 10 g	5/21/2014
3239	Isoflavones Calibration Solutions	10 x 1.2 mL	6/15/2016
3246	Ginkgo biloba (Leaves)	5 X 3 g	8/7/2014
3247	Ginkgo biloba (Extract)	5 x 1 g	8/11/2014
3248	Ginkgo-Containing Tablets	5 x 1 g	9/4/2014
3250	Saw Palmetto (Serenoa repens) Fruit	5 x 6 g	6/6/2017
3251	Saw Palmetto (Serenoa repens) Extract	5 x 1 mL	6/12/2017
3252	Protein Drink Mix	5 pouches x 10 g each	9/10/2015
3253	Yerba Mate Leaves	2 x 10 g	4/12/2018
3254	Green Tea (Camellia sinensis) Leaves	5 x 3 g	2/7/2018
3255	Green Tea (Camellia sinensis) Extract	5 x 1 g	2/9/2018
3256	Green Tea-Containing Solid Oral Dosage Form	5 x 2.5 g	9/4/2015
3257	Catechin Calibration Solutions	12 x 2 mL	1/14/2016
3262	St. John's Wort (Hypericum perforatum L.) Aerial Parts	5 packets x 3.3 grams	9/14/2016
3274	Botanical Oils Containing Omega-3 and Omega-6 FattyAcids	4 x 1.2 mL	6/25/2015
3275	Omega-3 and Omega-6 Fatty Acids in Fish Oil	3 ea (2 ampoule x 1.2 mL)	6/8/2016
3278	Tocopherols in Edible Oils	5 x 1 mL	8/9/2016
3280	Multivitamin/Multielement Tablets	30 tablets x 5 bottles	5/11/2016
3281	Cranberry (Fruit)	5 x 6 g	8/28/2017
3282	Low-Calorie Cranberry Juice Cocktail	5 x 1.2 mL	3/28/2016
3286	Organic Acids Calibration Solution	5 x 2 mL	2/24/2016
3287	Blueberry (Fruit)	5 pouches x 5 g each	12/19/2016
3290	Dry Cat Food	5 pouches x 10 g each	2/5/2018
3451	Low Temperature Seebeck Coefficient Standard	bar	10/13/2011
3530	Iodized Table Salt (Iodide)	1 bottle x 200 g	3/30/2016
3532	Calcium-Containing Solid Oral Dosage Form	5 x 10 g	11/18/2015
3600	Absolute Intensity Calibration Standard for Small-Angle X-ray Scattering	coupon	6/17/2016
3667	Creatinine in Frozen Human Urine	1 bottle x 10 mL	10/20/2017
3668	Mercury, Perchlorate, and Iodide in Frozen Human Urine	10 vials x 1.5 mL	11/3/2011
3669	Arsenic Species in Frozen Human Urine (Elevated Levels)	5 vials x 1.5 mL	12/3/2015
3671	Nicotine Metabolites in Human Urine (Frozen)	3 vials x 10 mL	12/3/2015
3672	Organic Contaminants in Smokers' Urine (Frozen)	5 vials x 10 mL	12/4/2015
3673	Organic Contaminants in Non-Smokers' Urine (Frozen)	5 vials x 10 mL	12/28/2015
3950	Vitamin B6 in Frozen Human Serum	2 vials x 1 mL	12/28/2015
4222d	Carbon-14-n-hexadecane Radioactivity Standard	5 mL	11/1/2017
4226D	Nickel-63 Radioactivity Standard	5 mL	1/11/2017
4239	Strontium-90 Radioactivity Standard Solution	5 mL	3/1/2008
4274	Holmium-166m Gamma-ray Emission Rate Standard	5 mL	6/1/2006
4288B	Technetium-99 Radioactivity Standard	5 mL	4/30/2010
4320b	Curium-244 Radioactivity Standard	5 mL	8/17/2012
4321d	Natural Uranium Radioactivity Standard	5 mL	11/29/2017
4323c	Plutonium-238 Radioactivity Standard	5 mL	11/3/2017
4326a	Polonium-209 Radioactivity Standard	5 mL	5/8/2015
4328C	Thorium-229 Radioactivity Standard Solution	5 mL	12/20/2013
4330C	Plutonium-239 Radioactivity Standard	3 mL	4/16/2010
4332E	Americium-243 Radioactivity Standard	5 mL	2/22/2010
4334j	Plutonium-242 Radioactivity Standard	5 mL	5/30/2018
4337	Lead-210 Radioactivity Standard	5 mL	11/1/2006
4339b	Radium-228 Radioactivity Solution	5 mL	11/14/2012
4340B	Plutonium-241 Radioactivity Standard	5 mL	3/31/2008
4341a	Neptunium-237 Radioactivity Standard	5 mL	3/26/2013
4342A	Thorium-230 Radioactivity Standard	5 mL	7/1/2007
4350B	River Sediment Environmental Radioactivity Standard	85 g	11/3/2015
4351	Human Lung Environmental Radioactivity Standard	45 g	11/30/2015
4352	Human Liver Environmental Radioactivity Standard	45 g	12/8/2016
4353A	Rocky Flats Soil Number 2	90 g	7/1/2007
4354	Freshwater Lake Sediment Environmental Radioactivity Standard	25 g	12/8/2016
4356	Ashed Bone (Radioactivity)	15 g	1/1/2000
4357	Ocean Sediment Powder	85 g	3/1/1997
4358	Ocean Shellfish Radionuclide Standard	150 g	4/8/2015
4359	Seaweed Radionuclide Standard	300 g	11/1/2005
4361C	Hydrogen-3 Radioactivity Standard	500 mL	5/1/2008
4915F	Cobalt-60 Radioactivity Standard Solution	5 mL	11/1/2005
4919I	Strontium-90 Radioactivity Standard	5 mL	3/1/2008
4926E	Hydrogen-3 Radioactivity Standard	20 mL	2/7/2011
4927g	Hydrogen-3 Radioactivity Standard	5 mL	11/5/2015
4929F	Iron-55 Radioactivity Standard	5 mL	5/30/2006
4943	Chlorine-36 Radioactivity Standard	3 mL	12/1/1984
4949d	Iodine-129 Radioactivity Standard	5 mL	9/14/2015
4965a	Radium-226 Radioactivity Standard	5 mL	9/16/2015
4966A	Radium-226 Radioactivity Standard	5 mL	7/31/2008
4967A	Radium-226 Radioactivity Standard Solution	5 mL	9/3/2013
4969	Radium-226 Radioactivity Standard	5 mL	10/1/1999
4990C	Oxalic Acid	8 x 28 g	7/1/1983
6002a	Multi-Junction Thermal Converter - 600 ohms	each	7/11/2017
6002b	Multi-Junction Thermal Converter - 1040 ohms	each	7/11/2017
6003a	Portable Vacuum Standard	each	4/29/2016
6003b	Portable Vacuum Standard 1 Pa to 700kPa (Commercial Mercury Manometer Replacement)	each	4/29/2016
8010	Sand for Sand Sieve Analysis	3 x 150 g	5/18/2004
8017	Polyvinylpyrrolidone Coated Silver Nanoparticles (Nominal Diameter 75 nm)	5 vials	2/4/2015
8091	Scanning Electron Microscope Sharpness Standard	each	7/5/2001
8095	Si1-xGex Films on Si	2 wafers, 1 each level	7/19/2011
8281	Single-Wall Carbon Nanotubes (Dispersed, Three Length-Resolved Populations)	4 x 2.5 mL	11/3/2017
8321	Peptide Mixture for Proteomics	3 vials x 50 uL	12/28/2015
8323	Yeast Protein Extract	3 vials x 0.2 mL	2/20/2018
8366	EGFR and MET Gene Copy Number Standards for Cancer Measurements	6 vials, 100 µL each	3/14/2018
8375	Microbial Genomic DNA Standards for Sequencing Performance Assessment	4 vials, 1 each level	5/8/2018
	(MG-001, MG-002, MG-003, MG-004)
8391	Human DNA for Whole-Genome Variant Assessment (Son of Eastern European Ashkenazim Jewish Ancestry)	1 vial	9/8/2016
8392	Human DNA for Whole-Genome Variant Assessment (Trio of Eastern European Ashkenazim Jewish Ancestry)	3 vials	9/8/2016
8393	Human DNA for Whole-Genome Variant Assessment (Son of Chinese Ancestry)	1 vial	10/26/2016
8394	Tissue Engineering Reference Scaffolds for Cell Culture	24 scaffolds	4/24/2013
8398	Human DNA for Whole-Genome Variant Assessment (Daughter of Utah/European Ancestry)	1 vial	11/24/2015
8420	Electrolytic Iron	0.64 D x 5.0	5/14/1984
8441a	Wheat Hardness (kernel form)	set (50)	5/5/2016
8445	Spray-Dried Whole Egg for Allergen Detection	5 g	12/30/2013
8446	Perfluorinated Carboxylic Acids and Perfluorooctane Sulfonamide in Methanol	4 x 1.2 mL	3/18/2014
8447	Perfluorinated Sulfonic Acids in Methanol	3 x 1.2 mL	6/2/2014
8455	Pyrite Ore Bioleaching Substrate	100 g	4/19/1991
8491	Sugarcane Bagasse Whole Biomass Feedstock	50 g	2/28/2011
8492	Eastern Cottonwood Whole Biomass Feedstock	50 g	2/28/2011
8493	Monterey Pine Whole Biomass Feedstock	50 g	2/28/2011
8494	Wheat Straw Whole Biomass Feedstock	50 g	3/26/2014
8495	Northern Softwood	10 sheets	10/22/1991
8496	Eucalyptus Hardwood	10 sheets	10/22/1991
8505	Vanadium in Crude Oil	250 mL	10/1/1983
8506a	Moisture in Transformer Oil	5x9.5mL	1/31/2011
8509	Moisture in Methanol	set (5)	6/12/1997
8510	Moisture in Methanol	set (5)	6/12/1997
8529	IAEA-S-3 (Sulfur Isotopes in Silver Sulfide)	1 bottle x 0.5g	2/11/2013
8536	GISP-Water	20 mL	1/31/2012
8537	SLAP-Water Light Stable Isotopic Standard	20 mL	3/3/2005
8539	NBS22 Oil (Carbon and Hydrogen Isotopes in Oil)	1 mL	2/6/2013
8540	IAEA-CH-7 (Carbon and Hydrogen Isotopes in Polyethylene Foil)	3.5 g	2/6/2013
8541	USGS24 Graphite	0.8 g	5/4/2011
	(Carbon Isotopes in Graphite)
8543	NBS 18	0.4 g	4/9/2013
	(Carbon Isotopes in Carbonatite)
8546	NBS28 (Silicon and Oxygen Isotopes in Silica Sand)	0.4 g	3/12/2015
8547	IAEA-N-1	0.4 g	1/30/2013
	(Nitrogen Isotopes in Ammonium Sulfate)
8548	IAEA-N-2 (Nitrogen Isotopes in Ammonium Sulfate)	0.4 g	1/30/2013
8550	USGS25	0.5 g	1/30/2013
	(Nitrogen Isotopes in Ammonium Sulfate)
8551	USGS26	0.5 g	1/30/2013
	(Nitrogen Isotopes in Ammonium Sulfate)
8552	NSVEC	300 umol	1/30/2013
	(Nitrogen Isotopes in Gaseous Nitrogen)
8553	IAEA-S-4 (Soufre De Lacq)	0.5 g	1/30/2013
	(Sulfur Isotopes in Elemental Sulfur)
8554	IAEA-S-1 (Sulfur Isotopes in Silver Sulfide)	0.5 g	1/30/2013
8555	IAEA-S-2 (Sulfur Isotopes in Silver Sulfide)	0.5 g	1/30/2013
8556	NBS123	1.5 g	1/30/2013
	(Sulfur Isotopes in Sphalerite)
8557	NBS127	0.5 g	1/30/2013
	(Sulfur and Oxygen Isotopes in Barium Sulfate)
8558	USGS32 Nitrogen and Oxygen Isotopes in Nitrate	0.9 g	2/5/2008
8568	USGS34 Nitrogen and Oxygen Isotopes in Nitrate	0.9 g	2/5/2008
8569	USGS35 Nitrogen and Oxygen Isotopes in Nitrate	0.9 g	2/5/2008
8573	L-glutamic Acid USGS40(Light Carbon and Nitrogen Isotopes in L-glutamic Acid)	1 g	12/18/2007
8574	L-glutamic Acid USGS41 (Heavy Carbon and Nitrogen Isotopes in L-glutamic Acid)	0.5 g	12/18/2007
8599	Henderson Molybdenite	10 g	3/30/2011
8610	Mercury Isotopes in UM-Almaden Mono-Elemental Secondary Standard	4 x 5 mL	5/5/2017
8631a	Medium Test Dust (MTD)	20 g	2/20/2008
8632	Ultra Fine Test Dust (UFTD)	20 g	10/9/1998
8642a	FDA Saxitoxin Dihydrochloride Solution	5 ampoules x 1.2 mL	2/15/2017
8671	NISTmAb, Humanized IgG1κ Monoclonal Antibody	1 vial x 800 uL	10/6/2016
8680	Paint on Fiberboard, Nominal 1 to 2 mg/cm2 Lead	each	8/11/1999
8785	Air Particulate Matter on Filter Media	3 filters	4/3/2018
8786	Filter Blank for RM 8785	filter	3/27/2018
8850	Zeolite Y	35-40 g	7/26/2006
8851	Zeolite A	35-40 g	9/8/2006
8852	Ammonium ZSM-5 Zeolite	35-40 g	7/26/2006
8983	Silicon Nitride	4.5 g	2/12/2013
8988	Titanium Dioxide Powder - Particle Size Distribution	6 g	6/24/2013
C2415a	Battery Lead (UNS 52770)	disk	8/7/2014
C1252a	Phosphorus Deoxidized Copper - Cu IX	block	10/2/2014
C1114	Gilding Metal C (block)	disk	10/1/1981
C1115	Commercial Bronze A (block)	disk	11/23/1981
C1117	Commercial Bronze C (block)	disk	11/23/1981
C1137a	White Cast Iron	disk	9/18/1996
C1145a	White Cast Iron	disk	1/4/1988
C1151a	Stainless Steel 23Cr-7Ni	disk	12/30/1992
C1152a	Stainless Steel 18Cr-11Ni	disk	2/12/1990
C1153a	Stainless Steel 17Cr-9Ni	disk	9/12/1990
C1154a	Stainless Steel 19Cr-13Ni	disk	6/26/1992
C1173	Cast Steel 3	disk	6/9/1989
C1248	Nickel-Copper Alloy	disk	12/16/1986
C1251a	Phosphorus Deoxidized Copper - Cu VIII	block	10/2/2014
C1253a	Phosphorus Deoxidized Copper - Cu X	block	10/2/2014
C1285	LA Steel (A242) (mod.)	disk	6/8/1982
C1290	High-Alloy White Cast Iron (HC-250+V)	disk	1/14/1985
C1291	High-Alloy White Cast Iron (Ni-Hard, Type I)	disk	1/14/1985
C1296	Stainless Steel	disk	12/6/1991
C2400	Fe-Cr-Ni Alloy UNS J92180 (disk form)	disk	7/22/2016
C2402	Hastelloy7C	disk	2/19/1986
C2416	Bullet Lead	disk	2/16/1988
C2417	Lead-Base Alloy	disk	2/1/1987
C2418	High-Purity Lead	disk	2/16/1987
C2424	Ductile Iron C	disk	7/15/1985