Parathion-methyl, 100µg/ml in Acetonitrile, 5ml

Tris(2-Ethylhexyl) phosphate, 100µg/ml in Toluene,

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,N-dimethylperfluoro-1-octanesulfonamide , 1.2ml x 50ug/ml, methanol