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

Methyl 2-Hydroxy-3-carboxynaphthyl, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no.

D4-Diclofenac, 100 µg/ml, Acetone, 1ml

EPA Method 8270C Pesticide Mix #25