Supplemental Calibration Solution, 500ul, nonane

2,3',4'-Trichlorobiphenyl (= 2',3,4-),100 µg/mL,isooctane,1mL,

Tris(2,4-di-tert-butylphenyl) phosphate, 1.2ml x 50ug/ml, toluene

Fenchlorphos oxon