EPA Method 8240A Sys Perf Check Cmpds

Formothion, 10.0 µg/ml, Cyclohexane, 10ml

Fentin hydroxide, 250mg

Pyridaben-d13 (4-tert-butyl-d9-benzyl-2,3,5,6-d4),100 µg/mL,acetonitrile,1mL,