4,4'-DDD, 10.0 µg/ml, Ethyl acetate, 10ml

Diphenyl-p-tolyl phosphate-d7 (p-tolyl-d7),100 µg/mL,isooctane,1mL,

2,2',3,3',5,5',6-Heptachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

2,2',4,5,5'-Pentabromo-4'-methoxydiphenyl ether, 1.2ml x 50ug/ml, nonane