4,4'-DDD, 100 µg/ml, Methanol, 1ml

Heptachlor epoxide (Isomer B), 50mg

Potassium (K), 1000µg/ml in 2%-HNO3/Water, 100ml

3,4-Dichlorocatechol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 3978-67-4