4,4’-DDE

1,2,3,4,5,6,7-Heptachloronaphthalene,,,,

Metals Mix

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