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Contaminant Typical Source of Contaminant Health Effects Language 1 <br /> Synthetic Organic Contaminants including Pesticides and Herbicides <br /> Dibromochloropropane Banned nematocide that may still be present in Some people who use water containing DBCP in excess of the MCL over many years may <br /> (DBCP) soils due to runoff/leaching from former use on experience reproductive difficulties and may have an increased risk of getting cancer. <br /> soybeans, cotton,vineyards,tomatoes, and tree <br /> fruit <br /> Ethylene dibromide(EDB) Discharge from petroleum refineries; Some people who use water containing ethylene dibromide in excess of the MCL over many <br /> underground gas tank leaks;banned years may experience liver,stomach,reproductive system,or kidney problems, and may have <br /> nematocide that may still be present in soils an increased risk of getting cancer. <br /> due to runoff and leaching from grain and fl-uit <br /> crops <br /> 1-California Code of Regulations,Title 22,Appendix 64465-D. Health Effects Language <br /> Regulated Contaminants with SECONDARY DRINKING WATER STANDARDS (a) <br /> Monitoring Required by Section 64449, Chapter 15,Title 22, California Code of Regulations <br /> Contaminant Typical Source of Contaminant <br /> Aluminum Erosion of natural deposits;residual from some surface water treatment processes <br /> Copper Internal corrosion of household plumbing systems; erosion of natural deposits; leaching from wood.preservatives <br /> Foaming Agents (MBAS) Municipal and industrial waste discharges <br /> Iron Leaching from natural deposits; industrial wastes <br /> Manganese Leaching from natural deposits <br /> Total Dissolved Solids(TDS) Runoff/leaching from natural deposits <br /> Specific Conductance Substances that form ions when in water; seawater influence <br /> Chloride Runoff/leaching from natural deposits; seawater influence <br /> Sulfate Runoff/leaching from natural deposits; industrial wastes <br /> (a) There are no PHGs,MCLGs, or mandatory standard health effects language for these constituents because secondary MCLS are set on the basis of aesthetics. <br /> Title 22 Health Effects Page 2 of 2 <br />