nationalambientairqualitystandards美國(guó)空氣質(zhì)量標(biāo)準(zhǔn)(編輯修改稿)
2025-09-17 12:42 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 ilson39。s Disease should consult their personal doctor if the amount of copper in their water exceeds the action levelCorrosion of household plumbing systems。 erosion of natural depositsCyanide (as free cyanide)Nerve damage or thyroid problemsDischarge from steel/metal factories。 discharge from plastic and fertilizer factoriesFluorideBone disease (pain and tenderness of the bones)。 Children may get mottled teethWater additive which promotes strong teeth。 erosion of natural deposits。 discharge from fertilizer and aluminum factoriesLeadzeroTT7。 Action Level=Infants and children: Delays in physical or mental development。 children could show slight deficits in attention span and learning abilitiesAdults: Kidney problems。 high blood pressureCorrosion of household plumbing systems。 erosion of natural depositsMercury (inorganic)Kidney damageErosion of natural deposits。 discharge from refineries and factories。 runoff from landfills and croplandsNitrate (measured as Nitrogen)1010Infants below the age of six months who drink water containing nitrate in excess of the MCL could bee seriously ill and, if untreated, may die. Symptoms include shortness of breath and bluebaby syndrome.Runoff from fertilizer use。 leaching from septic tanks, sewage。 erosion of natural depositsNitrite (measured as Nitrogen)11Infants below the age of six months who drink water containing nitrite in excess of the MCL could bee seriously ill and, if untreated, may die. Symptoms include shortness of breath and bluebaby syndrome.Runoff from fertilizer use。 leaching from septic tanks, sewage。 erosion of natural depositsSeleniumHair or fingernail loss。 numbness in fingers or toes。 circulatory problemsDischarge from petroleum refineries。 erosion of natural deposits。 discharge from minesThalliumHair loss。 changes in blood。 kidney, intestine, or liver problemsLeaching from oreprocessing sites。 discharge from electronics, glass, and drug factoriesTop of pageOrganic Chemicals ContaminantMCLG1 (mg/L)2MCL or TT1 (mg/L)2Potential Health Effects from LongTerm Exposure Above the MCL (unless specified as shortterm)Sources of Contaminant in Drinking WaterAcrylamidezeroTT8 Nervous system or blood problems。 increased risk of cancerAdded to water during sewage/wastewater treatmentAlachlorzeroEye, liver, kidney or spleen problems。 anemia。 increased risk of cancerRunoff from herbicide used on row cropsAtrazineCardiovascular system or reproductive problemsRunoff from herbicide used on row cropsBenzenezeroAnemia。 decrease in blood platelets。 increased risk of cancerDischarge from factories。 leaching from gas storage tanks and landfillsBenzo(a)pyrene (PAHs)zeroReproductive difficulties。 increased risk of cancerLeaching from linings of water storage tanks and distribution linesCarbofuranProblems with blood, nervous system, or reproductive systemLeaching of soil fumigant used on rice and alfalfaCarbon tetrachloridezeroLiver problems。 increased risk of cancerDischarge from chemical plants and other industrial activitiesChlordanezeroLiver or nervous system problems。 increased risk of cancerResidue of banned termiticideChlorobenzeneLiver or kidney problemsDischarge from chemical and agricultural chemical factories2,4DKidney, liver, or adrenal gland problemsRunoff from herbicide used on row cropsDalaponMinor kidney changesRunoff from herbicide used on rights of way1,2Dibromo3chloropropane (DBCP)zeroReproductive difficulties。 increased risk of cancerRunoff/leaching from soil fumigant used on soybeans, cotton, pineapples, and orchardsoDichlorobenzeneLiver, kidney, or circulatory system problemsDischarge from industrial chemical factoriespDichlorobenzeneAnemia。 liver, kidney or spleen damage。 changes in bloodDischarge from industrial chemical factories1,2DichloroethanezeroIncreased risk of cancerDischarge from industrial chemical factories1,1DichloroethyleneLiver problemsDischarge from industrial chemical factoriescis1,2DichloroethyleneLiver problemsDischarge from industrial chemical factoriestrans1,2DichloroethyleneLiver problemsDischarge from industrial chemical factoriesDichloromethanezeroLiver problems。 increased risk of cancerDischarge from drug and chemical factories1,2DichloropropanezeroIncreased risk of cancerDischarge from industrial chemical factoriesDi(2ethylhexyl) adipateWeight loss, liver problems, or possible reproductive difficulties.Discharge from chemical factoriesDi(2ethylhexyl) phthalatezeroReproductive difficulties。 liver problems。 increased risk of cancerDischarge from rubber and chemical factoriesDinosebReproductive difficultiesRunoff from herbicide used on so
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