Organochlorine pesticides standard

1H,1H,10H,10H-Perfluoro-1,10-decanediol, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 754-96-1

1,3,5,7-Tetrachloronaphthalene, 1.2mL x 50ug/mL, nonane

WS (drinking water) Quantitative E.Coli - QC