Ethoprophos, 10.0 µg/ml, Acetonitrile, 10ml

Daily Quality Control Standard (with 4 Fluorinated Compounds Internal Standard) 14 Analytes + 4 ISTD, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene 9 n-Heptane 17

2,3,3',4,4',5,5',6-Octabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, toluene

Chlorpyrifos methyl