Tri-o-cresyl phosphate, 100 µg/ml, Methanol, 5ml

Paraoxon-methyl, 10.0 µg/ml, Ethyl acetate, 10ml

GC-IRMS Standards (C25 (?13C: -28.21); C30 (?13C: -28.60); C36 (?13C: -26.15)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no.

EPA Method 525.2Mix #1