2,2',3,5',6-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

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 20 Eth

2,4-D methyl ester

Deethylphosphamidon, 100 µg/ml, Ethyl acetate, 1