O,O,O-Triphenyl phosphorothionate,1000 µg/mL ,MeOH,1mL,

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

EPA Method 8330 - Calibration Mix #1

4,4'-DDE, 100 µg/ml, Methanol, 1ml