EPA Method 8060 QC Check Solution

1-Methyl-2-phenyl-5-aminobenzimidazole, neat, Solvent-neat, Unit 10MG, # of units-9, Cas.no. 21444-76-8

17-Hydroxyprogesterone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 68-96-2

ISO 9377-2 Standard Mixture of n-Alkanes C20-C40 (all even) Determination of Hydrocarbon Oil in Water Index 11 Analytes, each 50µg/mL in n-Pentane, units: 1x1mL, 1x5mL, 10x1mL This standard is also available as 50µg/mL in n-hexane; units 1x1mL, 1x5