7 Analytes in HexaneEthoprop (Ethoprofos). 25 µg/mL Chlorpyrifos . 30 µg/mL Methyl parathion. 30 µg/mL Merphos . 25 µg/mL Fenchlorphos (Ronnel) . 30 µg/mL Diazinon . 60 µg/mL Chlorpyrifos-methyl . 30 µg/mL