EPA Method 507 - Internal Standard

Endrin Ketone, 1.2mL x 100ug/mL, nonane

Acetochlor ESA sodium salt, 100µg/ml in Acetonitrile, 1ml

1,2,13,14-Tetrachlorotetradecane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 221155-23-3