Standards N

A 1.5 mL concentrate in Methanol for determination of DRO. Formulated in the NELAC range of 800 - 6000 ug/L. (Supplied in duplicate)

A 125 mL ready-to-use bottle for determination of Dissolved Oxygen in the range of 0 - 20 mg/L. (Supplied in duplicate)

Designed for use with all MPN and MF procedures. Sample supplied as a dehydrated pellet in the NELAC range of 20 - 1000 CFU/MPN per 100 mL.

A 1 gram lyophilized sludge sample containing fecal coliforms from 10E3 mpn/g to 10E6 mpn/g. Designed for use with EPA 1680/1681. Supplied in duplicate so that you can evaluate two analysts or two methods without purchasing additional sample.

A 1.5 mL concentrate in Methanol for determination of GRO. Formulated in the NELAC range of 400 - 4000 ug/L. (Supplied in duplicate)

A 250 mL ready-to-use sample packaged in a HDPE bottle.   (Supplied in duplicate)

A 1.5 mL concentrate in MTBE for determination of Dicamba, 2,4-D, 2,4,5-T, Silvex, 2,4-DB, Dalapon, Dichloroprop, Dinoseb, MCPA, MCPP and Pentachlorophenol. Formulated in the NELAC range of 2.00 - 10.0 ug/L. (Supplied in duplicate)

A 10.5 mL concentrate for determination of Hexavalent Chromium. Formulated in the NELAC range of 90 - 900 ug/L. Each ampule produces 2 liters of sample. (Supplied in duplicate)

A 110 mL sample for Ignitability in the range of 100 - 200°F. Ground Shipping Only. Not supplied in duplicate.

A 1.5 mL concentrate in P/T Methanol for determination of 1,2-Dibromoethane (EDB), 1,2-Dibromo-3-chloropropane (DBCP) and 1,2,3-Trichloropropane. Formulated in the NELAC range of 0.2 - 2.0 ug/L. (Supplied in duplicate)

A 1.5 mL concentrate in Acetonitrile for determination of PAHs by Methods 610 and 8310. (Supplied in duplicate) 

A single sample for determination of Low Level Total Residual Chlorine in the range of 50 - 250 ug/L. (Supplied in duplicate)