City of St. Helens

But Not Detected:
1,1,1-Trichloroethane; 1,1,2-Trichloroethane; 1,1-Dichloroethane; 1,1-Dichloroethylene; 1,2,3-Trichloropropane; 1,2,4-Trichlorobenzene; 1,2-Dibromo-3-chloropropane (DBCP); 1,2-Dichloroethane; 1,2-Dichloropropane; 1,3-Butadiene; 1,4-Dioxane; 2,4,5-TP (Silvex); 2,4-D; Alachlor (Lasso); Antimony; Arsenic; Atrazine; Benzene; Benzo[a]pyrene; Beryllium; Bromochloromethane; Bromomethane; Cadmium; Carbofuran; Carbon tetrachloride; Chlordane; Chlorodifluoromethane; Chloromethane; cis-1,2-Dichloroethylene; Cobalt; Combined uranium; Cyanide; Dalapon; Di(2-ethylhexyl) adipate; Di(2-ethylhexyl) phthalate; Dichloromethane (methylene chloride); Dinoseb; Diquat; Endothall; Endrin; Ethylbenzene; Ethylene dibromide; Fluoride; Glyphosate; Heptachlor; Heptachlor epoxide; Hexachlorobenzene (HCB); Hexachlorocyclopentadiene; Lindane; Mercury (inorganic); Methoxychlor; Molybdenum; Monochlorobenzene (chlorobenzene); Nitrite; o-Dichlorobenzene; Oxamyl (Vydate); p-Dichlorobenzene; Pentachlorophenol; Perfluorobutane sulfonate (PFBS); Perfluoroheptanoic acid (PFHPA); Perfluorohexane sulfonate (PFHXS); Perfluorononanoic acid (PFNA); Perfluorooctane sulfonate (PFOS); Perfluorooctanoic acid (PFOA); Picloram; Polychlorinated biphenyls (PCBs); Radium; combined (-226 & -228); Selenium; Simazine; Styrene; Tetrachloroethylene (perchloroethylene); Thallium; Toluene; Toxaphene; trans-1,2-Dichloroethylene; Trichloroethylene; Vinyl chloride; Xylenes (total)