Paraoxon-ethyl, 10 µg/ml, Acetonitrile, 10ml

1,2,3,4-Tetramethylbenzene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 488-23-3

Phosphorous Standards Phosphorus in Isooctane Tri-n-butylphosphate, 99+% (Chiron product nr. 1399.19) CAS [126-73-8] Matrix: Isooctane , 20cSt Units: 1x25mL, 1x100mL Isooctane

Arochlor 1260 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 11096-82-5