Isodrin, 100 µg/ml, Methanol, 1ml

EPA Method 8310 Surrogate Standard

2,2',3,4',5,5',6-Heptachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

Profenofos, 100 µg/ml, Acetonitrile, 5ml