1,2,3,5-Tetrachlorobenzene, 1000µg/ml in MeOH, 1ml

Ethanol standard in serum,1.1g/L,serum, 1.5mL

Whole Oil Control Mixture 3 Relative ratios Chiron No. Name CAS No. by weight: 1238.7 2-Methylhexane

Isofenphos, 100 µg/ml, Toluene, 1ml