EPA Method 8260 - Purgeable Internal Standard

3-Bromodiphenyl ether, 1.2ml x 50ug/ml, nonane

4-Chlorophenol-2,3,5,6-d4, OD,1000 µg/mL,isopropanol,1mL,

Chlorpyrifos-methyl, 10 µg/ml, Acetone, 10ml