2,4'-DDD, 10.0 µg/ml, Ethyl acetate, 10ml

2,6-Dichlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 33146-45-1

Sulfur Calibration Stock Solution Thiophene 1000 µg/mL in Toluene; unit: 5x1mL ampoules Please request for diluted samples in the range 1 to 1000 ng/mL.

N-Nitroso-diethylamine, certified, 0.1g