WS Disinfection By-Products - Cal Check 4

4,4'-Dichlorobenzophenone, 100 µg/ml, Ethyl aceta

2,2',3,3',4,5,5',6,6'-Nonachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane

Dimethenamid-P, 10.0 µg/ml, Acetonitrile, 10ml