Parathion-ethyl, 100 µg/ml, Ethyl acetate, 5ml

Thiophene/2-Methylthiophene (2:1) in isooctane/Toluene(3:1); Units: 5x1mL ampoules, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4056-0 Blank 0 S-4056-5 5

2,4-/2,6-Dimethylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 102035-96-1 / 66142-67-4

1,2-bis(2-Chloroethoxy)ethane