Sulfotep, 100 µg/ml, Acetonitrile, 1ml

Benzo[a]pyrene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 63466-71-7

4,4'-DDD, 100 µg/ml, Ethyl acetate, 5ml

ASTM D-2887 Column Test Standard