Use Part# 79163 .... 2,4-Dichloroanisole

5-Methyl-2,2',4,5'-tetrachlorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.

EPA Method 524 & 624 - Internal Standard

Fenbutatin oxide, 100 µg/ml, Methanol, 1ml