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EPA Method Standards (USA)

Peak Performance™ certified reference standards

Standardize Your Standards

CPI International’s Peak Performance™ Multi-Element Inorganic ICP Standards ​ are manufactured for accuracy, consistency, and traceability — including formulations for specific EPA methods and applications.

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2026 Variant Price List
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EPA Method Standards (USA)

Secondary Drinking Water Metals Standard
Cu 100, Mn 5, Fe 30, Zn 500 in H2O.
Available in 100 mL and 500 mL volumes.
0.0 USD
Primary Drinking Water Metals Standard
As 10, Pb 10, Ba 100, Se 5, Cd 5, Ag 10, Cr 10, Hg 10 in H2O.
Available in 100 mL and 500 mL volumes.
0.0 USD
Groundwater and Wastewater Pollutant Control Check Standard-Trace Metals #3, HNO3
Ba 500, Ca 500, K 100, Mg 100, Mo 500, Na 500 in 2% HNO3/HF.
Available in 100 mL and 500 mL volumes.
0.0 USD
Groundwater and Wastewater Pollutant Control Check Standard-Trace Metals #1, HNO3
Al 500, Pb 100, As 100, Mn 100, Be 100, Hg 5, Cd 25, Ni 100, Cr 100, Se 25, Co 100, V 250, Cu 100, Zn 100, Fe 10 in 5% HNO3 .
Available in 100 mL and 500 mL volumes.
0.0 USD
Groundwater and Wastewater Pollutant Control Check Standard-Trace Metals #2, HNO3
Sb, Tl, Ag in 2% HNO3/HF.
Available in 100 mL and 500 mL volumes.
0.0 USD
8260 Internal Standard Solution
0.0 USD
8260 Additional Compounds
0.0 USD
8260 Calibration Solution Minus 2-Chloroethyl Vinyl Ether, 27-1, 200, 2000, 1000, 5000 mg/L, 2 x 5 mL
Item No.: Z-120186-01
$ 350.00 350.0 USD
8260B Calibration Super Mix
0.0 USD
8270 Internal Standard Solution
0.0 USD
8260 Internal Standard Solution, 3 Compounds, 2,500 mg/L, 1 mL
Item No.: Z-120004-01
$ 52.00 52.0 USD
Internal Standard
Item No.: 4400-010034
$ 180.00 180.0 USD
ICP/MS Calibration Standard #1, µg/mL in HNO3, 250 mL
Item No.: 4400-ICP-MSCS
10 µg/mL Be, Bi, Ce, Co, In, Pb, Mg, Ni, U in 2% HNO3.
$ 360.00 360.0 USD
ICP/MS Calibration Standard
Item No.: 4400-ICPMS-250
$ 239.00 239.0 USD
Standard Solution A, Rev. 4.4, HNO3, 100 mL
Item No.: 4400-010037
10 µg/mL Al, As, Be, Cd, Co, Cr, Cu, Mn, Mo, Ni, Pb, Sb, Se, Th, Tl, U, V, Znin 5% HNO3 + Tr. Tartaric acid.
$ 419.00 419.0 USD