1,2 Dichloroethane, 1000µg/ml in MeOH, 1ml

3-Perfluoroheptyl propanoic acid (7:3), 1.2ml x 50ug/ml, methanol

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

Dichlorvos D6 (dimethyl D6), 100 ng/µl, 1.1ml