Method 200.7 Single Element Kit

2,3',4',5-Tetrachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

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

Phoxim, 1000µg/ml in MeOH, 1ml