4,4'-DDT, 100mg

Calibration Standard THC 20 Analytes, each concentration as listed in cyclohexane; unit : 6x1mL The working standard concentrations are: o-Terphenyl (ITSD) 200 µg/mL 5a-Androstane (ITSD)

EPA TO-1A

1-Methyl phenoxyacetate