Nitrapyrin, 10 µg/ml, Ethyl acetate, 10ml

N-(2,4-Dimethylphenyl)formamide, 100 µg/ml, Aceto

Di-p-tolylphenyl phosphate-d14 (p-tolyl-d7),100 µg/mL,isooctane,1mL,

2,2',4,5,5'-Pentachloro-4'-methoxybiphenyl, 1.2ml x 50ug/ml, nonane