4,4'-DDD, 100 µg/ml, Acetonitrile, 5ml

2,3-Dichlorobiphenyl ,100 µg/mL,isooctane,1mL,

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

N-Acetyl-sulfamethazine, 10mg