4,4'-DDE, 100 µg/ml, Acetonitrile, 5ml

Perfluoro-6-methylheptane sulfonate, 200ul x 1.00ug/ml, methanol

2,2',3,3',4,5,5',6,6'-Nonachlorobiphenyl ,100 µg/mL,isooctane,1mL,

2-Methylhippuric acid, 100mg