WS (drinking water) Quantitative E.Coli

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

3-Fluoro-2,2',4,4',6-pentabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 887401-80-1

1,2,3,8,9-Pentachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene