{
  "_units": {
    "UG/L": "μg/L",
    "MG/L": "mg/L",
    "NG/L": "ng/L",
    "PCI/L": "pCi/L",
    "MFL": "MFL",
    "NTU": "NTU",
    "PH": "pH",
    "UMHO/CM": "μmhos/cm",
    "AGGR": "",
    "LANG": "",
    "UNITS": "units",
    "TON": "",
    "C": "°C"
  },
  "IRON": {
    "display": "Iron",
    "desc": "A naturally occurring metal. High levels can cause rusty-colored water, metallic taste, and staining of laundry and fixtures.",
    "source": "Natural deposits, industrial waste, corroding pipes"
  },
  "NITRATE": {
    "display": "Nitrate",
    "desc": "A nutrient that is dangerous at high levels, especially for infants. Can cause \"blue baby syndrome,\" which reduces the blood's ability to carry oxygen.",
    "source": "Fertilizer runoff, septic systems, animal waste, natural deposits"
  },
  "NITRATE-NITRITE": {
    "display": "Nitrate + Nitrite",
    "desc": "Combined measure of nitrate and nitrite, both of which can be harmful at high levels, especially for infants.",
    "source": "Fertilizer runoff, septic systems, animal waste"
  },
  "NITRITE": {
    "display": "Nitrite",
    "desc": "Dangerous at high levels, especially for infants. Can interfere with the blood's ability to carry oxygen.",
    "source": "Fertilizer runoff, septic systems, water treatment"
  },
  "ARSENIC": {
    "display": "Arsenic",
    "desc": "A toxic element linked to increased risk of cancer, skin damage, and circulatory problems with long-term exposure.",
    "source": "Natural deposits, mining runoff, industrial waste"
  },
  "LEAD": {
    "display": "Lead",
    "desc": "A toxic metal that accumulates in the body. Even low levels can harm brain development in children and cause kidney and blood pressure problems in adults.",
    "source": "Old plumbing, lead service lines, solder, fixtures"
  },
  "COPPER, FREE": {
    "display": "Copper",
    "desc": "An essential nutrient in small amounts, but high levels can cause stomach discomfort, nausea, and liver or kidney damage with long-term exposure.",
    "source": "Corroding copper pipes, natural deposits"
  },
  "CHROMIUM": {
    "display": "Chromium (Total)",
    "desc": "A metal found in natural deposits. Some forms are essential nutrients; others may increase cancer risk at high levels.",
    "source": "Natural deposits, industrial discharge"
  },
  "CHROMIUM, HEX": {
    "display": "Chromium-6 (Hexavalent)",
    "desc": "A form of chromium linked to increased cancer risk when consumed over many years, even at low levels. The subject of the Erin Brockovich case.",
    "source": "Natural deposits, industrial discharge, power plants"
  },
  "FLUORIDE": {
    "display": "Fluoride",
    "desc": "Added to water to prevent tooth decay. At levels above the safety limit, long-term exposure can cause bone disease and mottled teeth in children.",
    "source": "Water treatment additive, natural deposits, fertilizer discharge"
  },
  "TTHM": {
    "display": "Total Trihalomethanes (TTHM)",
    "desc": "Byproducts formed when chlorine used for disinfection reacts with organic matter. Long-term exposure may increase cancer risk.",
    "source": "Byproduct of water disinfection (chlorination)"
  },
  "TOTAL HALOACETIC ACIDS (HAA5)": {
    "display": "Haloacetic Acids (HAA5)",
    "desc": "A group of disinfection byproducts. Long-term exposure may increase cancer risk.",
    "source": "Byproduct of water disinfection (chlorination)"
  },
  "CHLOROFORM": {
    "display": "Chloroform",
    "desc": "A disinfection byproduct and one of the four trihalomethanes. May increase cancer risk with long-term exposure.",
    "source": "Byproduct of water chlorination"
  },
  "BROMODICHLOROMETHANE": {
    "display": "Bromodichloromethane",
    "desc": "A disinfection byproduct and one of the four trihalomethanes. May increase cancer risk with long-term exposure.",
    "source": "Byproduct of water chlorination"
  },
  "DIBROMOCHLOROMETHANE": {
    "display": "Dibromochloromethane",
    "desc": "A disinfection byproduct and one of the four trihalomethanes. May increase cancer risk with long-term exposure.",
    "source": "Byproduct of water chlorination"
  },
  "BROMOFORM": {
    "display": "Bromoform",
    "desc": "A disinfection byproduct and one of the four trihalomethanes. May increase cancer risk with long-term exposure.",
    "source": "Byproduct of water chlorination"
  },
  "DICHLOROACETIC ACID": {
    "display": "Dichloroacetic Acid",
    "desc": "A disinfection byproduct in the haloacetic acids group. May increase cancer risk with long-term exposure.",
    "source": "Byproduct of water chlorination"
  },
  "TRICHLOROACETIC ACID": {
    "display": "Trichloroacetic Acid",
    "desc": "A disinfection byproduct in the haloacetic acids group. May increase cancer risk with long-term exposure.",
    "source": "Byproduct of water chlorination"
  },
  "DIBROMOACETIC ACID": {
    "display": "Dibromoacetic Acid",
    "desc": "A disinfection byproduct in the haloacetic acids group. May increase cancer risk with long-term exposure.",
    "source": "Byproduct of water chlorination"
  },
  "MONOBROMOACETIC ACID": {
    "display": "Monobromoacetic Acid",
    "desc": "A disinfection byproduct in the haloacetic acids group.",
    "source": "Byproduct of water chlorination"
  },
  "MONOCHLOROACETIC ACID": {
    "display": "Monochloroacetic Acid",
    "desc": "A disinfection byproduct in the haloacetic acids group.",
    "source": "Byproduct of water chlorination"
  },
  "MANGANESE": {
    "display": "Manganese",
    "desc": "A naturally occurring mineral. High levels can cause black or brown water discoloration and may affect the nervous system with long-term exposure.",
    "source": "Natural deposits, mining"
  },
  "ALUMINUM": {
    "display": "Aluminum",
    "desc": "A common metal. High levels may cause discoloration of water. Research on health effects is ongoing.",
    "source": "Natural deposits, water treatment chemicals"
  },
  "BARIUM": {
    "display": "Barium",
    "desc": "A metal that can cause difficulty breathing, increased blood pressure, and stomach irritation at high levels.",
    "source": "Natural deposits, drilling waste, metal refining"
  },
  "SELENIUM": {
    "display": "Selenium",
    "desc": "An essential trace nutrient, but toxic at high levels. Can cause hair and nail loss, numbness, and circulatory problems.",
    "source": "Natural deposits, mining, petroleum refining"
  },
  "MERCURY": {
    "display": "Mercury",
    "desc": "A highly toxic metal. Can damage the kidneys and nervous system even at low levels of exposure.",
    "source": "Natural deposits, refineries, industrial discharge"
  },
  "CADMIUM": {
    "display": "Cadmium",
    "desc": "A toxic metal that can cause kidney damage with long-term exposure.",
    "source": "Galvanized pipe corrosion, natural deposits, industrial discharge"
  },
  "NICKEL": {
    "display": "Nickel",
    "desc": "A metal that can cause stomach problems at high levels. Some people may have skin reactions.",
    "source": "Natural deposits, industrial discharge, stainless steel"
  },
  "ZINC": {
    "display": "Zinc",
    "desc": "An essential trace mineral, but high levels can cause a metallic taste and stomach discomfort.",
    "source": "Natural deposits, corroding galvanized pipes, industrial discharge"
  },
  "SILVER": {
    "display": "Silver",
    "desc": "A metal used in water treatment. High levels can cause permanent bluish-gray discoloration of the skin (argyria).",
    "source": "Natural deposits, water treatment"
  },
  "ANTIMONY, TOTAL": {
    "display": "Antimony",
    "desc": "A metal that can cause nausea, vomiting, and diarrhea at high levels. Long-term exposure may increase cholesterol and decrease blood sugar.",
    "source": "Natural deposits, fire retardants, ceramics, electronics"
  },
  "COMBINED URANIUM": {
    "display": "Uranium",
    "desc": "A radioactive metal that can cause kidney damage with long-term exposure. Also a radiation risk.",
    "source": "Natural deposits (especially in granite-rich areas)"
  },
  "GROSS ALPHA PARTICLE ACTIVITY": {
    "display": "Gross Alpha Radiation",
    "desc": "A measure of total radioactivity in water. Elevated levels may indicate the presence of radium, uranium, or other radioactive materials and may increase cancer risk.",
    "source": "Natural radioactive deposits"
  },
  "GROSS BETA PARTICLE ACTIVITY": {
    "display": "Gross Beta Radiation",
    "desc": "A measure of certain types of radioactivity in water. Elevated levels may increase cancer risk with long-term exposure.",
    "source": "Natural deposits, nuclear industry"
  },
  "RADIUM-226": {
    "display": "Radium-226",
    "desc": "A naturally occurring radioactive element. Long-term exposure may increase the risk of bone cancer.",
    "source": "Natural deposits"
  },
  "RADIUM-228": {
    "display": "Radium-228",
    "desc": "A naturally occurring radioactive element. Long-term exposure may increase the risk of bone cancer.",
    "source": "Natural deposits"
  },
  "COMBINED RADIUM (-226 & -228)": {
    "display": "Combined Radium",
    "desc": "The sum of Radium-226 and Radium-228. Long-term exposure may increase the risk of bone cancer.",
    "source": "Natural deposits"
  },
  "TRITIUM": {
    "display": "Tritium",
    "desc": "A radioactive form of hydrogen. At high levels, may increase cancer risk.",
    "source": "Natural processes, nuclear industry"
  },
  "38-STRONTIUM-90": {
    "display": "Strontium-90",
    "desc": "A radioactive element that can accumulate in bones. Long-term exposure may increase the risk of bone cancer and leukemia.",
    "source": "Nuclear fallout, nuclear industry"
  },
  "RADON": {
    "display": "Radon",
    "desc": "A naturally occurring radioactive gas. Mainly a risk when released from water during showering or cooking. Can increase lung cancer risk.",
    "source": "Natural deposits (decay of uranium in soil and rock)"
  },
  "PERCHLORATE": {
    "display": "Perchlorate",
    "desc": "A chemical that can interfere with thyroid function, which is critical for growth and development. Especially concerning for pregnant women and infants.",
    "source": "Rocket fuel manufacturing, fireworks, flares, natural deposits"
  },
  "PERFLUOROCTANOIC ACID (PFOA)": {
    "display": "PFOA (\"Forever Chemical\")",
    "desc": "A man-made \"forever chemical\" (PFAS) that doesn't break down in the environment. Linked to cancer, thyroid disease, immune effects, and developmental problems.",
    "source": "Nonstick coatings (Teflon), firefighting foam, industrial discharge"
  },
  "PERFLUOROCTANE SULFONIC ACID (PFOS)": {
    "display": "PFOS (\"Forever Chemical\")",
    "desc": "A man-made \"forever chemical\" (PFAS) that persists in the body for years. Linked to cancer, immune system effects, thyroid problems, and developmental issues.",
    "source": "Firefighting foam, stain-resistant products, industrial discharge"
  },
  "PERFLUOROBUTANE SULFONIC ACID (PFBS)": {
    "display": "PFBS (PFAS Chemical)",
    "desc": "A \"forever chemical\" (PFAS) that doesn't break down. May affect the thyroid, kidneys, and reproductive system.",
    "source": "Industrial discharge, firefighting foam"
  },
  "PERFLUOROBUTANOIC ACID (PFBA)": {
    "display": "PFBA (PFAS Chemical)",
    "desc": "A shorter-chain \"forever chemical\" (PFAS). Health effects still being studied, but may affect the thyroid and liver.",
    "source": "Industrial discharge, consumer products"
  },
  "PERFLUOROHEXANE SULFONIC ACID (PFHxS)": {
    "display": "PFHxS (PFAS Chemical)",
    "desc": "A \"forever chemical\" (PFAS) linked to thyroid disease and immune system effects.",
    "source": "Firefighting foam, industrial discharge"
  },
  "PERFLUOROHEXANOIC ACID (PFHXA)": {
    "display": "PFHxA (PFAS Chemical)",
    "desc": "A shorter-chain \"forever chemical\" (PFAS). Health effects still being studied.",
    "source": "Industrial discharge, consumer products"
  },
  "PERFLUOROPENTANOIC ACID (PFPEA)": {
    "display": "PFPeA (PFAS Chemical)",
    "desc": "A shorter-chain \"forever chemical\" (PFAS). Health effects still being studied.",
    "source": "Industrial discharge"
  },
  "PERFLUOROPENTANESULFONIC ACID (PFPES)": {
    "display": "PFPeS (PFAS Chemical)",
    "desc": "A \"forever chemical\" (PFAS). Health effects still being studied.",
    "source": "Industrial discharge"
  },
  "PERFLUORONONANOIC ACID (PFNA)": {
    "display": "PFNA (PFAS Chemical)",
    "desc": "A long-chain \"forever chemical\" (PFAS) linked to immune effects and possible cancer risk.",
    "source": "Industrial discharge, consumer products"
  },
  "PERFLUORODECANOIC ACID (PFDA)": {
    "display": "PFDA (PFAS Chemical)",
    "desc": "A long-chain \"forever chemical\" (PFAS). May affect the liver and immune system.",
    "source": "Industrial discharge"
  },
  "PERFLUOROHEPTANOIC ACID (PFHPA)": {
    "display": "PFHpA (PFAS Chemical)",
    "desc": "A \"forever chemical\" (PFAS). Health effects still being studied.",
    "source": "Industrial discharge"
  },
  "PERFLUOROHEPTANESULFONIC ACID (PFHPS)": {
    "display": "PFHpS (PFAS Chemical)",
    "desc": "A \"forever chemical\" (PFAS). Health effects still being studied.",
    "source": "Industrial discharge"
  },
  "PERFLUORODECANE SULFONIC ACID 8:2 FTS": {
    "display": "8:2 FTS (PFAS Chemical)",
    "desc": "A \"forever chemical\" (PFAS) precursor. Can break down into other PFAS in the body.",
    "source": "Firefighting foam, industrial discharge"
  },
  "PERFLUOROOCTANE SULFONIC ACID 6:2 FTS": {
    "display": "6:2 FTS (PFAS Chemical)",
    "desc": "A \"forever chemical\" (PFAS) precursor. Can break down into other PFAS in the body.",
    "source": "Firefighting foam, industrial discharge"
  },
  "PERFLUOROHEXANE SULFONIC ACID 4:2 FTS": {
    "display": "4:2 FTS (PFAS Chemical)",
    "desc": "A \"forever chemical\" (PFAS) precursor. Can break down into other PFAS in the body.",
    "source": "Firefighting foam, industrial discharge"
  },
  "PERFLUORODODECANOIC ACID (PFDOA)": {
    "display": "PFDoA (PFAS Chemical)",
    "desc": "A long-chain \"forever chemical\" (PFAS). May affect the liver.",
    "source": "Industrial discharge"
  },
  "PERFLUOROUNDECANOIC ACID (PFUNA)": {
    "display": "PFUnA (PFAS Chemical)",
    "desc": "A long-chain \"forever chemical\" (PFAS). Health effects still being studied.",
    "source": "Industrial discharge"
  },
  "HFPO-DA": {
    "display": "GenX (HFPO-DA)",
    "desc": "A replacement for PFOA, but itself a \"forever chemical\" (PFAS). May affect the liver, kidneys, and immune system.",
    "source": "Industrial discharge (PFOA replacement)"
  },
  "ADONA": {
    "display": "ADONA (PFAS Chemical)",
    "desc": "A \"forever chemical\" (PFAS) used as a processing aid. Health effects still being studied.",
    "source": "Industrial discharge"
  },
  "PERFLUORO PFEESA": {
    "display": "PFEESA (PFAS Chemical)",
    "desc": "A \"forever chemical\" (PFAS). Health effects still being studied.",
    "source": "Industrial discharge"
  },
  "PERFLUORO PFMBA": {
    "display": "PFMBA (PFAS Chemical)",
    "desc": "A \"forever chemical\" (PFAS). Health effects still being studied.",
    "source": "Industrial discharge"
  },
  "11CL-PF3OUDS": {
    "display": "11Cl-PF3OUdS (PFAS Chemical)",
    "desc": "A \"forever chemical\" (PFAS). Health effects still being studied.",
    "source": "Industrial discharge"
  },
  "9CL-PF3ONS": {
    "display": "9Cl-PF3ONS (PFAS Chemical)",
    "desc": "A \"forever chemical\" (PFAS). Health effects still being studied.",
    "source": "Industrial discharge"
  },
  "ADSORBABLE ORGANIC FLUORINE": {
    "display": "Total Organic Fluorine",
    "desc": "A screening measure for the total amount of PFAS and related fluorine-containing chemicals in water.",
    "source": "Industrial discharge, consumer products"
  },
  "TETRACHLOROETHYLENE": {
    "display": "Tetrachloroethylene (PCE)",
    "desc": "An industrial solvent linked to increased cancer risk and liver problems with long-term exposure.",
    "source": "Dry cleaners, metal degreasing, industrial discharge"
  },
  "TRICHLOROETHYLENE": {
    "display": "Trichloroethylene (TCE)",
    "desc": "An industrial solvent and known carcinogen. Can damage the liver, kidneys, and nervous system.",
    "source": "Metal degreasing, industrial discharge, waste sites"
  },
  "1,2-DIBROMO-3-CHLOROPROPANE": {
    "display": "DBCP",
    "desc": "A banned pesticide that persists in groundwater. Linked to increased cancer risk and male reproductive problems.",
    "source": "Historical pesticide use (banned in 1979)"
  },
  "1,2,3-TRICHLOROPROPANE": {
    "display": "1,2,3-TCP",
    "desc": "A toxic industrial chemical and contaminant from soil fumigants. A probable human carcinogen.",
    "source": "Historical pesticide manufacturing, industrial solvent"
  },
  "CARBON TETRACHLORIDE": {
    "display": "Carbon Tetrachloride",
    "desc": "An industrial chemical linked to liver damage and cancer with long-term exposure.",
    "source": "Industrial discharge, older cleaning solvents"
  },
  "DICHLOROMETHANE": {
    "display": "Methylene Chloride",
    "desc": "An industrial solvent that may increase cancer risk with long-term exposure.",
    "source": "Paint strippers, industrial discharge"
  },
  "1,1-DICHLOROETHYLENE": {
    "display": "1,1-Dichloroethylene",
    "desc": "An industrial chemical that can cause liver and kidney damage at high levels.",
    "source": "Breakdown of industrial solvents"
  },
  "1,1-DICHLOROETHANE": {
    "display": "1,1-Dichloroethane",
    "desc": "An industrial solvent that may affect the liver and nervous system.",
    "source": "Industrial discharge"
  },
  "1,2-DICHLOROETHANE": {
    "display": "1,2-Dichloroethane",
    "desc": "An industrial chemical linked to increased cancer risk with long-term exposure.",
    "source": "Industrial discharge, leaded gasoline additives"
  },
  "1,2-DICHLOROPROPANE": {
    "display": "1,2-Dichloropropane",
    "desc": "An industrial chemical linked to increased cancer risk.",
    "source": "Soil fumigants, industrial discharge"
  },
  "CIS-1,2-DICHLOROETHYLENE": {
    "display": "cis-1,2-Dichloroethylene",
    "desc": "A breakdown product of industrial solvents. Can cause liver and nervous system effects at high levels.",
    "source": "Breakdown of TCE and PCE"
  },
  "TRANS-1,2-DICHLOROETHYLENE": {
    "display": "trans-1,2-Dichloroethylene",
    "desc": "A breakdown product of industrial solvents. Can cause liver effects at high levels.",
    "source": "Breakdown of TCE and PCE"
  },
  "1,1,1-TRICHLOROETHANE": {
    "display": "1,1,1-Trichloroethane",
    "desc": "A former solvent now banned. Can affect the liver and nervous system at high levels.",
    "source": "Historical solvent use, industrial discharge"
  },
  "1,1,2-TRICHLOROETHANE": {
    "display": "1,1,2-Trichloroethane",
    "desc": "An industrial chemical that may increase cancer risk with long-term exposure.",
    "source": "Industrial solvent, chemical manufacturing"
  },
  "1,1,1,2-TETRACHLOROETHANE": {
    "display": "1,1,1,2-Tetrachloroethane",
    "desc": "An industrial solvent that may damage the liver.",
    "source": "Industrial discharge"
  },
  "BENZENE": {
    "display": "Benzene",
    "desc": "A known human carcinogen. Long-term exposure increases risk of leukemia.",
    "source": "Gasoline, industrial discharge, natural deposits"
  },
  "TOLUENE": {
    "display": "Toluene",
    "desc": "An industrial solvent that can affect the nervous system and kidneys at high levels.",
    "source": "Gasoline, industrial discharge"
  },
  "XYLENES, TOTAL": {
    "display": "Xylenes",
    "desc": "Industrial solvents that can damage the liver and nervous system at high levels.",
    "source": "Gasoline, industrial discharge"
  },
  "STYRENE": {
    "display": "Styrene",
    "desc": "A chemical used in plastics manufacturing. May affect the liver and nervous system at high levels.",
    "source": "Plastics manufacturing, industrial discharge"
  },
  "1,2,4-TRIMETHYLBENZENE": {
    "display": "1,2,4-Trimethylbenzene",
    "desc": "A petroleum-derived chemical. May cause dizziness and nervous system effects at high levels.",
    "source": "Petroleum products, industrial discharge"
  },
  "1,4-DIOXANE": {
    "display": "1,4-Dioxane",
    "desc": "A likely human carcinogen that can contaminate groundwater. Difficult to remove with conventional treatment.",
    "source": "Industrial solvent, manufacturing contaminant"
  },
  "METHYL TERT-BUTYL ETHER": {
    "display": "MTBE",
    "desc": "A gasoline additive that can make water taste and smell bad at very low concentrations. Possible carcinogen.",
    "source": "Gasoline (fuel oxygenate), leaking underground storage tanks"
  },
  "ETHYLENE DIBROMIDE": {
    "display": "Ethylene Dibromide (EDB)",
    "desc": "A banned pesticide and gasoline additive. A probable carcinogen that can damage the liver, stomach, and reproductive system.",
    "source": "Historical pesticide use, leaded gasoline"
  },
  "CHLOROMETHANE": {
    "display": "Chloromethane",
    "desc": "A chemical that can affect the nervous system at high levels.",
    "source": "Industrial discharge, natural sources"
  },
  "BROMOCHLOROMETHANE": {
    "display": "Bromochloromethane",
    "desc": "An industrial chemical and disinfection byproduct.",
    "source": "Fire extinguishers, industrial discharge"
  },
  "DICHLORODIFLUOROMETHANE": {
    "display": "Dichlorodifluoromethane (Freon-12)",
    "desc": "A refrigerant chemical. May affect the heart and nervous system at high levels.",
    "source": "Refrigerants, industrial discharge"
  },
  "TRICHLOROFLUOROMETHANE": {
    "display": "Trichlorofluoromethane (Freon-11)",
    "desc": "A refrigerant chemical. May affect the nervous system at high levels.",
    "source": "Refrigerants, aerosol propellants"
  },
  "TRICHLOROTRIFLUOROETHANE": {
    "display": "Trichlorotrifluoroethane (Freon-113)",
    "desc": "A refrigerant and industrial solvent.",
    "source": "Refrigerants, electronics cleaning"
  },
  "ACETONE": {
    "display": "Acetone",
    "desc": "A common solvent. Generally low toxicity but may indicate industrial contamination at high levels.",
    "source": "Industrial discharge, natural processes"
  },
  "METHYL ETHYL KETONE": {
    "display": "Methyl Ethyl Ketone (MEK)",
    "desc": "An industrial solvent that can affect the nervous system at high levels.",
    "source": "Industrial discharge, manufacturing"
  },
  "DI(2-ETHYLHEXYL) PHTHALATE": {
    "display": "DEHP (Phthalate)",
    "desc": "A plasticizer that may cause liver problems and reproductive issues. A probable carcinogen.",
    "source": "PVC pipes and fittings, industrial discharge"
  },
  "DI-N-BUTYL PHTHALATE": {
    "display": "Di-n-butyl Phthalate",
    "desc": "A plasticizer that may affect the reproductive system.",
    "source": "Plastics manufacturing, industrial discharge"
  },
  "ASBESTOS": {
    "display": "Asbestos",
    "desc": "A mineral fiber that increases the risk of certain cancers when inhaled or ingested over long periods.",
    "source": "Decay of asbestos cement water mains, natural deposits"
  },
  "CYANIDE": {
    "display": "Cyanide",
    "desc": "A fast-acting toxic chemical that can cause nerve damage and thyroid problems at low chronic levels.",
    "source": "Mining operations, industrial discharge"
  },
  "BROMATE": {
    "display": "Bromate",
    "desc": "A disinfection byproduct that may increase cancer risk with long-term exposure.",
    "source": "Byproduct of ozone disinfection"
  },
  "CHLORATE": {
    "display": "Chlorate",
    "desc": "A disinfection byproduct that may affect thyroid function and red blood cells at high levels.",
    "source": "Byproduct of water disinfection, herbicides"
  },
  "N-NITROSODIMETHYLAMINE": {
    "display": "NDMA",
    "desc": "A potent carcinogen, even at very low concentrations. Can damage the liver.",
    "source": "Byproduct of water treatment, rocket fuel, industrial discharge"
  },
  "N-NITROSODIETHYLAMINE (NDEA)": {
    "display": "NDEA",
    "desc": "A potent carcinogen related to NDMA. Can damage the liver.",
    "source": "Byproduct of water treatment, industrial discharge"
  },
  "N-NITROSODI-N-BUTYLAMINE (NDBA)": {
    "display": "NDBA",
    "desc": "A nitrosamine compound and probable carcinogen.",
    "source": "Byproduct of water treatment, industrial discharge"
  },
  "N-NITROSOMORPHOLINE (NMOR)": {
    "display": "NMOR",
    "desc": "A nitrosamine compound and probable carcinogen.",
    "source": "Industrial discharge, rubber manufacturing"
  },
  "SIMAZINE": {
    "display": "Simazine",
    "desc": "A herbicide that may affect hormone levels and is a possible carcinogen.",
    "source": "Herbicide runoff from farms and lawns"
  },
  "METOLACHLOR": {
    "display": "Metolachlor",
    "desc": "A widely used herbicide. Possible carcinogen with long-term exposure.",
    "source": "Agricultural herbicide runoff"
  },
  "BROMACIL": {
    "display": "Bromacil",
    "desc": "A herbicide. Limited evidence of health effects at low levels.",
    "source": "Herbicide runoff"
  },
  "PARAQUAT": {
    "display": "Paraquat",
    "desc": "A highly toxic herbicide. Extremely dangerous if ingested in concentrated form.",
    "source": "Agricultural herbicide use"
  },
  "TDS": {
    "display": "Total Dissolved Solids",
    "desc": "A measure of all dissolved minerals in water. High levels can make water taste salty or bitter but aren't typically a health concern.",
    "source": "Natural deposits, road salt, agricultural runoff"
  },
  "CHLORIDE": {
    "display": "Chloride",
    "desc": "A naturally occurring mineral. High levels can make water taste salty and may corrode pipes.",
    "source": "Natural deposits, road salt, wastewater"
  },
  "SULFATE": {
    "display": "Sulfate",
    "desc": "A naturally occurring mineral. Very high levels can have a laxative effect, especially for new consumers.",
    "source": "Natural deposits, industrial discharge"
  },
  "SODIUM": {
    "display": "Sodium",
    "desc": "A naturally occurring mineral. High sodium in drinking water may be a concern for people on sodium-restricted diets.",
    "source": "Natural deposits, road salt, water softeners"
  },
  "CALCIUM": {
    "display": "Calcium",
    "desc": "A naturally occurring mineral that contributes to water hardness. Not a health concern at typical levels.",
    "source": "Natural deposits (limestone, gypsum)"
  },
  "MAGNESIUM": {
    "display": "Magnesium",
    "desc": "A naturally occurring mineral that contributes to water hardness. Generally not a health concern.",
    "source": "Natural deposits"
  },
  "POTASSIUM": {
    "display": "Potassium",
    "desc": "A naturally occurring mineral and essential nutrient. Not typically a health concern in drinking water.",
    "source": "Natural deposits, fertilizer runoff"
  },
  "HARDNESS, TOTAL (AS CACO3)": {
    "display": "Total Hardness",
    "desc": "A measure of calcium and magnesium in water. Hard water isn't a health risk but can cause scale buildup in pipes and appliances.",
    "source": "Natural mineral deposits"
  },
  "ALKALINITY, TOTAL": {
    "display": "Total Alkalinity",
    "desc": "A measure of water's ability to neutralize acids. Affects taste and how well water treatment works. Not a direct health concern.",
    "source": "Natural mineral deposits"
  },
  "ALKALINITY, BICARBONATE": {
    "display": "Bicarbonate Alkalinity",
    "desc": "A component of water alkalinity. Affects taste and water chemistry. Not a direct health concern.",
    "source": "Natural mineral deposits"
  },
  "ALKALINITY, CARBONATE": {
    "display": "Carbonate Alkalinity",
    "desc": "A component of water alkalinity. Affects water chemistry. Not a direct health concern.",
    "source": "Natural mineral deposits"
  },
  "PH": {
    "display": "pH Level",
    "desc": "A measure of how acidic or basic water is (scale of 0-14, with 7 being neutral). Most drinking water is between 6.5 and 8.5.",
    "source": "Natural water chemistry"
  },
  "PH, FIELD": {
    "display": "pH (Field Measurement)",
    "desc": "pH measured on-site at the water source, rather than in a lab.",
    "source": "Natural water chemistry"
  },
  "CONDUCTIVITY @ 25 C UMHOS/CM": {
    "display": "Conductivity",
    "desc": "A measure of water's ability to conduct electricity, which indicates total dissolved minerals. Not a direct health concern.",
    "source": "Dissolved minerals in water"
  },
  "TURBIDITY": {
    "display": "Turbidity (Cloudiness)",
    "desc": "A measure of water clarity. Cloudy water may indicate the presence of disease-causing organisms. Well-treated water should be clear.",
    "source": "Soil runoff, algae, pipe sediment"
  },
  "TURBIDITY, FIELD": {
    "display": "Turbidity (Field Measurement)",
    "desc": "Cloudiness measured on-site at the water source.",
    "source": "Soil runoff, algae, pipe sediment"
  },
  "COLOR": {
    "display": "Color",
    "desc": "A measure of water discoloration. Colored water is usually an aesthetic issue, not a health concern, but may indicate other problems.",
    "source": "Natural organic matter, metals, industrial discharge"
  },
  "ODOR": {
    "display": "Odor",
    "desc": "A measure of how much water smells. Odorous water is usually an aesthetic issue but can indicate contamination.",
    "source": "Algae, organic matter, chlorine, industrial discharge"
  },
  "FOAMING AGENTS (SURFACTANTS)": {
    "display": "Foaming Agents",
    "desc": "Chemicals that cause water to foam. Primarily an aesthetic concern.",
    "source": "Detergents, wastewater, industrial discharge"
  },
  "AGGRESSIVE INDEX": {
    "display": "Aggressive Index",
    "desc": "A measure of water's tendency to corrode pipes. Not a direct health concern but affects lead and copper levels.",
    "source": "Water chemistry (pH, alkalinity, hardness)"
  },
  "LANGELIER INDEX (PH(S))": {
    "display": "Langelier Index",
    "desc": "Predicts whether water will deposit scale or corrode pipes. Not a direct health concern but important for water infrastructure.",
    "source": "Water chemistry"
  },
  "LANGELIER INDEX AT SOURCE TEMP.": {
    "display": "Langelier Index (at Source Temp.)",
    "desc": "Predicts whether water will deposit scale or corrode pipes, measured at the source temperature.",
    "source": "Water chemistry"
  },
  "TEMPERATURE (CENTIGRADE)": {
    "display": "Water Temperature",
    "desc": "Temperature of the water sample. Not a health concern but affects taste and dissolved oxygen.",
    "source": "Environmental conditions"
  },
  "BORON, TOTAL": {
    "display": "Boron",
    "desc": "A naturally occurring element. High levels may cause nausea and may affect reproductive health.",
    "source": "Natural deposits, wastewater, cleaning products"
  },
  "BROMIDE": {
    "display": "Bromide",
    "desc": "A naturally occurring chemical. Not directly harmful, but can form harmful disinfection byproducts when water is chlorinated.",
    "source": "Natural deposits, seawater intrusion"
  },
  "STRONTIUM": {
    "display": "Strontium",
    "desc": "A naturally occurring mineral related to calcium. Very high levels may affect bone health.",
    "source": "Natural deposits"
  },
  "VANADIUM, TOTAL": {
    "display": "Vanadium",
    "desc": "A naturally occurring metal. Health effects at low levels are still being studied.",
    "source": "Natural deposits, industrial discharge"
  },
  "COBALT, TOTAL": {
    "display": "Cobalt",
    "desc": "A trace metal and essential nutrient in very small amounts (as vitamin B12). Health effects of waterborne cobalt are still being studied.",
    "source": "Natural deposits, industrial discharge"
  },
  "LITHIUM, TOTAL": {
    "display": "Lithium",
    "desc": "A naturally occurring metal. Health effects at typical drinking water levels are still being studied.",
    "source": "Natural deposits"
  },
  "MOLYBDENUM, TOTAL": {
    "display": "Molybdenum",
    "desc": "A trace metal and essential nutrient. Very high levels may affect the liver and kidneys.",
    "source": "Natural deposits, industrial discharge"
  },
  "SILICA": {
    "display": "Silica",
    "desc": "A naturally occurring mineral (silicon dioxide). Not a health concern in drinking water at typical levels.",
    "source": "Natural deposits (sand, quartz)"
  },
  "ORTHOPHOSPHATE": {
    "display": "Orthophosphate",
    "desc": "A form of phosphorus sometimes added to water to prevent pipe corrosion. Not a health concern at treated levels.",
    "source": "Water treatment additive, fertilizer runoff"
  },
  "PHOSPHATE, TOTAL": {
    "display": "Total Phosphate",
    "desc": "A nutrient that supports algae growth in surface water. Not a direct health concern in drinking water.",
    "source": "Water treatment, fertilizer runoff, detergents"
  },
  "NITROGEN-AMMONIA AS (N)": {
    "display": "Ammonia (as Nitrogen)",
    "desc": "A form of nitrogen. Not a direct health concern at typical levels but may indicate sewage contamination.",
    "source": "Sewage, fertilizer runoff, natural processes"
  },
  "TOTAL NITROGEN (AS N)": {
    "display": "Total Nitrogen",
    "desc": "A measure of all nitrogen forms in water. Elevated levels may indicate contamination from sewage or fertilizer.",
    "source": "Fertilizer runoff, sewage, natural processes"
  },
  "CARBON, TOTAL": {
    "display": "Total Carbon",
    "desc": "A measure of organic and inorganic carbon in water. Not a direct health concern but indicates overall water quality.",
    "source": "Natural organic matter, industrial discharge"
  },
  "CARBON DIOXIDE": {
    "display": "Carbon Dioxide",
    "desc": "A dissolved gas that affects water's pH and corrosiveness. Not a health concern.",
    "source": "Natural processes, decomposition"
  },
  "SULFIDE": {
    "display": "Sulfide",
    "desc": "Can cause a \"rotten egg\" smell. Primarily an aesthetic concern at low levels.",
    "source": "Natural deposits, bacterial action"
  },
  "RESIDUE, NON FILTERABLE (TSS)": {
    "display": "Total Suspended Solids",
    "desc": "A measure of particles in water. High levels make water appear cloudy and may indicate treatment issues.",
    "source": "Soil runoff, pipe sediment"
  }
}