3,3',4,4',5,5'-Hexachlorobiphenyl (169)

Daily Quality Control Standard (without Internal Standard) 14 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene 9 n-Heptane

Pirimiphos-methyl-N-desethyl, 100µg/ml in Acetonitrile, 5ml

Native PCB Stock Solution , 1.2ml , nonane