Ethiofencarb, 10.0 µg/ml, Acetonitrile, 10ml

1,2,7,8-Tetrachloro[13C12]dibenzofuran, 1.2ml x 1ug/ml, nonane

2,2',3,3',4,4',6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Sodium dodecylbenzenesulfonate, mixture of linear C10-C14, neat, 100mg