Isofetamid, 100 µg/ml, Acetonitrile, 1ml

9-Nitrophenanthrene-d9, 10µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.

2,2',4',5-Tetrabromo-4-methoxydiphenyl ether, 1.2ml x 50ug/ml, nonane

(13C10)Heptachlor, 1.2mL x 100ug/mL, nonane