Fluroxypyr-1-methylheptylester, 100 µg/ml, Aceton

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

beta-HCH, 100 µg/ml, Ethyl acetate, 5ml

2-Ethylhexyldiphenyl phosphate,1000 µg/mL,isooctane,1mL