EPA Method 601 Analytes, 2000µg/ml in MeOH, 1ml

Benz[a]anthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 56-55-3

Perfluoro-4-methylheptane sulfonate, 200ul x 1.00ug/ml, methanol

2,2',3,4',5,5'-Hexachlorobiphenyl,100 µg/mL,isooctane,1mL,