4-Phenyl-2-butanone, 1ml

2,2',3,3',4,4',5,5'-Octachloro[13C12]biphenyl, 50.0µg/mL in Nonane/10% toluene, 1,2ml

Acetochlor-ethane sulfonic acid (ESA) sodium, 10mg

PT Semi-Volatiles in Non-Potable Water - CLP