EPA Method 8240A Mix #3

2,2',3,4,5,6,6'-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Sulfotep, 100 µg/ml, Ethyl acetate, 1ml

4-Nitrophenol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 100-02-7