Pyraclofos, 100 µg/ml, Methanol, 1ml

EPA Method 8260B Purgeable Internal Standard

Isofenphos-oxon, 10 µg/ml, Acetonitrile, 10ml

2,2',4,4',5-Pentachlorodiphenyl ether, 1.2ml x 50ug/ml, nonane