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<br />7C <br />Page 16 <br /> <br /> <br /> .:~~~taminant Potential health .effeCts from . C()mJ1:1~it,SQl1rces of Public <br /> .: . .e~p()sure~bQy,:~iM9L contao1ln.~~~ ,IJ(d)1~kl~g \y-ater Health Goal <br /> Liver roblems Residue of banned insecticide 0.002 <br /> Increased cancer risk, and over a long period Discharge from industrial zero <br /> of time, stomach problems chemical factories; an impurity of <br /> some water treatment chemicals <br /> Ethylbenzena 0.7 Liver or kidneys problems Discharge from petroleum 0.7 <br /> refineries <br /> Ethylene dibromide 0.00005 Problems with liver, stomach, reproductive Discharge from petroleum zero <br /> s stem, or kidne s; increased risk of cancer refineries <br /> 4.0 Bone disease (pain and tendemess of the Water additive which promotes 4.0 <br /> bones); Children may get mottled teeth strong teeth; erosion of natural <br /> deposits; discharge from fertilizer <br /> and aluminum factories <br /> n3 Human and animal fecal waste zero <br /> 0.7 Runoff from herbicide use 0.7 <br /> 0.060 Byproduct of drinking water n/a6 <br /> disinfection <br /> 0.0004 Liver dama e; increased risk of cancer Residue of banned termiticide zero <br /> 0.0002 Liver dama e; increased risk of cancer Breakdown of he tachlor zero <br /> n3 HPC has no health effects; it is an analytic HPC measures a range of n/a <br /> method used to measure the variety of bacteria that are naturally present <br /> bacteria that are common in water. The lower In the environment <br /> the concentration of bacteria in drinking <br /> water, the better maintained the water <br /> s stem is. <br /> Hexachlorobenzene 0.001 Liver or kidney problems; reproductive Discharge from metal refineries zero <br /> difficulties; increased risk of cancer and agricultural chemical <br /> factories <br /> Hexachlorocyclopentadien 0.05 Kidney or stomach problems Discharge from chemical 0.05 <br /> e factories <br /> Lead n7; Infants and children: Delays in physical or Corrosion of household plumbing zero <br /> Action mental development; children could show systems; erosion of natural <br /> level = slight deficits in attention span and learning deposits <br /> 0.015 abilities; Adults: Kidney problems; high blood <br /> ressure <br /> LegioneJ/a TT3 Legionnaire's Disease, a type of pneumonia Found naturally in water; zero <br /> multi lies in heati s stems <br /> 0.0002 Liver or kidney problems Runofflleaching from insecticide 0.0002 <br /> used on cattle, lumber, ardens <br /> Mercury (inorganic) 0.002 Kidney damage Erosion of natural deposits; 0.002 <br /> discharge from refineries and <br /> factories; runoff from landfills and <br /> era lands <br /> 0.04 Reproductive difficulties Runofflleaching from insecticide 0.04 <br /> used on fruits, vegetables, alfalfa, <br /> livestock <br /> Nitrate (measured as 10 Infants below the age of six months who drink Runoff from fertilizer use; 10 <br /> Nitrogen) water containing nitrate in excess of the MCL leaching from septic tanks, <br /> could become seriously III and, if untreated, sewage; erosion of natural <br /> may die. Symptoms include shortness of deposits <br /> breath and blue-bab s ndrame. <br /> Infants below the age of six months who drink Runoff from fertilizer use; <br /> water containing nitrite in excess of the MCL leaching from septic tanks, <br /> could become seriously ill and, if untreated, sewage; erosion of natural <br /> may die. Symptoms include shortness of deposits <br /> breath and blue-bab s ndrama. <br />LEGEND <br />D __ Inorganic Chemical II!III Organic Chemical <br /> Disinfection Byproduct _ Microorganism _ Radlonuclides 3 <br /> <br /> <br />