EPA Method 8240A Internal Standard

Endrin, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 72-20-8

3-Bromo-9H-carbazole, 1.2ml x 50ug/ml, nonane

Alachlor ESA, 1000µg/ml in MeOH, 1ml