Heptachlor-endo-epoxide (trans-, isomer A), 100 ng/µl, 1ml

Sodium (1H,1H,2H,2H-perfluorooctyl-1H,1H,2H,2H-perfluorodecyl)phosphate, 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

3,5-Dichlorotoluene, 100mg