WS Low Level Perchlorate

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

Di-isooctyl phthalate (mixture of C8-isomers), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 27554-26-3

Silthiofam, 25mg