WHO PCB Extraction Standard, 100pg/µl in nonane, 1,2ml

Acetochlor, 100 µg/ml, Acetonitrile, 1ml

bis(2-Ethylhexyl) phthalate

2,2',3,3',4,5,5',6,6'-Nonabromo-4'-chlorodiphenyl ether, 1.2ml x 50ug/ml, toluene