Coumaphos, 1000µg/ml in MeOH, 1ml

2,2',3,3',4,4',5,6,6'-Nonabromodiphenyl ether, 1.2ml x 50ug/ml, toluene

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

EPA 8041A Surrogate Standard S-4382 1mg/mL in isopropanol, 1 mL, 5 x 1mL, 5mL 2,4-Dibromophenol