cis-Heptachlor-epoxide (Isomer B), 10µg/ml in CY, 10ml

Quality Control Standard of Mineral Oils 2 2x500µg/ml in n-Hexane i 1ml crimp-top

2,2',4,6,6'-Pentachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 56558-16-8

Dibenz[a,h]anthracene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 53-70-3