4,4'-Dichlorobenzophenone, 100 µg/ml, Acetone, 1

EPA Method 507 Nitrogen Phosphorus Pesticides

(Z)-Dimethomorph, 100 µg/ml, Acetonitrile, 1ml

2,4,4'-Tribromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, nonane