Decabromo[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Dicofol, 10.0 µg/ml, Ethyl acetate, 10ml

4-tert-Butylphenyldiphenyl phosphate-d13,100 µg/mL,isooctane,1mL

5-Methyl-2,2',4,4'-tetrachlorodiphenylmethane, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no.