WS Chlorinated Pesticide Amp 1 - Cal Check

2,3,3',4',5,5',6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,

6,6'-Dihydroxy-5,5'-dimethoxybiphenyl-3,3'-dicarbo

Aroclor 1016 & Tetrachloro-m-xylene