Tebupirimfos, 100 µg/ml, Ethyl acetate, 5ml

EPA Method 524 & 624 - Internal Standard

GC-IRMS Standards ((C25 (?13C: -28.21); C30 (?13C: -28.60); C36 (?13C: -26.15); C40 (?13C: -27.05)), 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no.

O,O-Diethylthiophosphate-13C2, sodium salt, 100µg/ml in MeOH, 1ml