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

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

N-Nitrosodiphenylamine

DEET, 10.0 µg/ml, Ethyl acetate, 10ml