WS (drinking water) Quantitative E.Coli - QC

Methoxy-Bromodiphenyl Ethers Solution/Mixture, 1.2ml, nonane

4,5,6-Trichloroguaiacol , 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2668-24-8

1-Methoxy-2-propyl acetate,1000 µg/mL,MeOH,1mL,