EPA Method 8240A Sys Perf Check Cmpds

2,4-Dimethylethylbenzene, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 874-41-9

D6-Dimethoate, 10 µg/ml, Acetonitrile, 10ml

3-Ethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1576-68-7