ICP-OES EPA 200.7 Calibration Standard

2,3',4,4',5,5'-Hexachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Demeton-S-methyl, 100 µg/ml, Toluene, 1ml

2,6-Dimethylnaphthalene, 50 µg/mL in Toluene, 1ml