Isofenphos, 100 µg/ml, Acetonitrile, 1ml

Imbentin-N/060 (n = 2-9) 100mg S-4099 Nonylphenol with 6mol ethyleneoxide

Methidathion, 10 µg/ml, Ethyl acetate, 10ml

Mass-Labelled PCB Recovery Standard, 1.2ml, nonane