Heptachlor, 1000µg/ml in Hexane, 1ml

PCB Isomer Standard “Dutch 7”, 10µg/ml in Isooctane, 1ml

GRO Standard C6-C10, 2000µg/ml in MetChloride, 1ml

Pyrene-d10, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1718-52-1