Contaminant Candidate List 3 (CCL 3)
Analyte candidates flagged for possible UCMR3 Testing
| Analyte | CAS # | Uses |
|---|---|---|
| 1,1,1,2-Tetrachloroethane | 630-20-6 | It is an industrial chemical used in the production of other substances. |
| 1,1-Dichloroethane | 75-34-3 | It is an industrial chemical used as a solvent. |
| 1,2,3-Trichloropropane | 96-18-4 | It is an industrial chemical used in paint manufacture. |
| 1,3-Butadiene | 106-99-0 | It is an industrial chemical used in rubber production. |
| 1,3-Dinitrobenzene | 99-65-0 | It is an industrial chemical and is used in the production of other substances. |
| 1,4-Dioxane | 123-91-1 | It is used as a solvent or solvent stabilizer in the manufacture and processing of paper, cotton, textile products, automotive coolant, cosmetics and shampoos. |
| 17alpha-estradiol | 57-91-0 | It is an estrogenic hormone and is used in pharmaceuticals. |
| 1-Butanol | 71-36-3 | It is used in the production of other substances, and as a paint solvent and food additive. |
| 2-Methoxyethanol | 109-86-4 | It is used in consumer products, such as synthetic cosmetics, perfumes, fragrances, hair preparations, and skin lotions. |
| 2-Propen-1-ol | 107-18-6 | It is used in the production of other substances, and in the manufacture of flavorings and perfumes. |
| 3-Hydroxycarbofuran | 16655-82-6 | It is a carbamate, and is a pesticide degradate. The parent, carbofuran, is used as an insecticide. |
| 4,4'-Methylenedianiline | 101-77-9 | It is used in the production of other substances, and as a corrosion inhibitor and curing agent for polyurethanes. |
| Acephate | 30560-19-1 | It is used as an insecticide. |
| Acetaldehyde | 75-07-0 | It is used in the production of other substances, and as a pesticide and food additive. |
| Acetamide | 60-35-5 | It is used as a solvent, solubilizer, plasticizer, and stabilizer. |
| Acetochlor | 34256-82-1 | It is used as an herbicide for weed control on agricultural crops. |
| Acetochlor ethanesulfonic acid (ESA) | 187022-11-3 | Acetochlor ESA is an acetanilide pesticide degradate. The parent, acetochlor, is used as an herbicide for weed control on agricultural crops. |
| Acetochlor oxanilic acid (OA) | 184992-44-4 | Acetochlor OA is an acetanilide pesticide degradate. The parent, acetochlor, is used as an herbicide for weed control on agricultural crops. |
| Acrolein | 107-02-8 | It is used as an aquatic herbicide, rodenticide, and industrial chemical. |
| Alachlor ethanesulfonic acid (ESA) | 142363-53-9 | Alachlor ESA is an acetanilide pesticide degradate. The parent, alachlor, is used as an herbicide for weed control on agricultural crops. |
| Alachlor oxanilic acid (OA) | 171262-17-2 | Alachlor OA is an acetanilide pesticide degradate. The parent, alachlor, is used as an herbicide for weed control on agricultural crops. |
| alpha-Hexachlorocyclohexane | 319-84-6 | It is a component of benzene hexachloride (BHC) and was formerly used as an insecticide. |
| Aniline | 62-53-3 | It is used as an industrial chemical, as a solvent, in the synthesis of explosives, rubber products, and in isocyanates. |
| Bensulide | 741-58-2 | It is used as an herbicide. |
| Benzyl chloride | 100-44-7 | It is used in the production of other substances, such as plastics, dyes, lubricants, gasoline and pharmaceuticals. |
| Butylated hydroxyanisole | 25013-16-5 | It is used as a food additive (antioxidant). |
| Captan | 133-06-2 | It is used as a fungicide. |
| Chlorate | 14866-68-3 | Chlorate compounds are used in agriculture as defoliants or desiccants and may occur in drinking water related to use of disinfectants such as chlorine dioxide. |
| Chloromethane (Methyl chloride) | 74-87-3 | It is used as a foaming agent and in the production of other substances. |
| Clethodim | 110429-62-4 | It is used as an herbicide. |
| Cobalt | 7440-48-4 | It is a naturally-occurring element and was formerly used as cobaltus chloride in medicines and as a germicide. |
| Cumene hydroperoxide | 80-15-9 | It is used as an industrial chemical and is used in the production of other substances. |
| Cyanotoxins (3)* | Toxins naturally produced and released by cyanobacteria ("blue-green algae"). Various studies suggest three cyanotoxins for consideration: Anatoxin-a, Microcystin-LR, and Cylindrospermopsin. | |
| Dicrotophos | 141-66-2 | It is used as an insecticide. |
| Dimethipin | 55290-64-7 | It is used as an herbicide and plant growth regulator. |
| Dimethoate | 60-51-5 | It is used as an insecticide on field crops, (such as cotton), orchard crops, vegetable crops, in forestry and for residential purposes. |
| Disulfoton | 298-04-4 | It is used as an insecticide. |
| Diuron | 330-54-1 | It is used as an herbicide. |
| Equilenin | 517-09-9 | It is an estrogenic hormone and is used in pharmaceuticals. |
| Equilin | 474-86-2 | It is an estrogenic hormone and is used in pharmaceuticals. |
| Erythromycin | 114-07-8 | It is used in pharmaceutical formulations as an antibiotic. |
| Estradiol (17-beta estradiol) | 50-28-2 | It is an estrogenic hormone and is used in pharmaceuticals. |
| Estriol | 50-27-1 | It is an estrogenic hormone and is used in veterinary pharmaceuticals. |
| Estrone | 53-16-7 | It is an estrogenic hormone and is used in veterinary and human pharmaceuticals. |
| Ethinyl Estradiol (17-alpha ethynyl estradiol) | 57-63-6 | It is an estrogenic hormone and is used in veterinary and human pharmaceuticals. |
| Ethoprop | 13194-48-4 | It is used as an insecticide. |
| Ethylene glycol | 107-21-1 | It is used as an antifreeze, in textile manufacture and is a cancelled pesticide. |
| Ethylene oxide | 75-21-8 | It is used as a fungicidal and insecticidal fumigant. |
| Ethylene thiourea | 96-45-7 | It is used in the production of other substances, such as for vulcanizing polychloroprene (neoprene) and polyacrylate rubbers, and as a pesticide. |
| Fenamiphos | 22224-92-6 | It is used as an insecticide. |
| Formaldehyde | 50-00-0 | It has been used as a fungicide, may be a disinfection byproduct, and can occur naturally. |
| Germanium | 7440-56-4 | It is a naturally-occurring element and is commonly used as germanium dioxide in phosphors, transistors and diodes, and in electroplating. |
| Halon 1011 (bromochloromethane) | 74-97-5 | It is used as a fire-extinguishing fluid and to suppress explosions, as well as a solvent in the manufacturing of pesticides. May also occur as a disinfection by-product in drinking water. |
| HCFC-22 | 75-45-6 | It is used as a refrigerant, as a low-temperature solvent, and in fluorocarbon resins, especially in tetrafluoroethylene polymers. |
| Hexane | 110-54-3 | It is used as a solvent and is a naturally-occurring alkane. |
| Hydrazine | 302-01-2 | It is used in the production of other substances, such as rocket propellants, and as an oxygen and chlorine scavenging compound. |
| Mestranol | 72-33-3 | It is an estrogenic hormone and is used in veterinary and human pharmaceuticals. |
| Methamidophos | 10265-92-6 | It is used as an insecticide. |
| Methanol | 67-56-1 | It is used as an industrial solvent, a gasoline additive and also as anti-freeze. |
| Methyl bromide (Bromomethane) | 74-83-9 | It has been used as a fumigant as a fungicide. |
| Methyl tert-butyl ether | 1634-04-4 | It is used as an octane booster in gasoline, in the manufacture of isobutene and as an extraction solvent. |
| Metolachlor | 51218-45-2 | It is used as an herbicide for weed control on agricultural crops. |
| Metolachlor ethanesulfonic acid (ESA) | 171118-09-5 | Metolachlor ESA is an acetanilide pesticide degradate. The parent, metolachlor, is used as an herbicide for weed control on agricultural crops. |
| Metolachlor oxanilic acid (OA) | 152019-73-3 | Metolachlor OA is an acetanilide pesticide degradate. The parent, metolachlor, is used as an herbicide for weed control on agricultural crops. |
| Molinate | 2212-67-1 | It is used as an herbicide. |
| Molybdenum | 7439-98-7 | It is a naturally-occurring element and is commonly used as molybdenum trioxide as a chemical reagent. |
| Nitrobenzene | 98-95-3 | It is used in the production of aniline, and also as a solvent in the manufacture of paints, shoe polishes, floor polishes, metal polishes, explosives, dyes, pesticides and drugs (such as acetaminophen), and in its re-distilled from (oil of mirbane) as an |
| Nitroglycerin | 55-63-0 | It is used in pharmaceuticals, in the production of explosives, and in rocket propellants. |
| N-Methyl-2-pyrrolidone | 872-50-4 | It is a solvent in the chemical industry, and is used for pesticide application and in food packaging materials. |
| N-nitrosodiethylamine (NDEA) | 55-18-5 | It is a nitrosamine used as an additive in gasoline and in lubricants, as an antioxidant, as a stabilizer in plastics, and also may be a disinfection byproduct. |
| N-nitrosodimethylamine (NDMA) | 62-75-9 | It is a nitrosamine and has been formerly used in the production of rocket fuels, is used as an industrial solvent and an anti-oxidant, and also may be a disinfection byproduct. |
| N-nitroso-di-n-propylamine (NDPA) | 621-64-7 | It is a nitrosamine and may be a disinfection byproduct. |
| N-Nitrosodiphenylamine | 86-30-6 | It is a nitrosamine chemical reagent that is used as a rubber and polymer additive and may be a disinfection byproduct. |
| N-nitrosopyrrolidine (NPYR) | 930-55-2 | It is a nitrosamine used as a research chemical and may be a disinfection byproduct. |
| Norethindrone (19-Norethisterone) | 68-22-4 | It is a progresteronic hormone used in pharmaceuticals. |
| n-Propylbenzene | 103-65-1 | It is used in the manufacture of methylstyrene, in textile dyeing, and as a printing solvent, and is a constituent of asphalt and naptha. |
| o-Toluidine | 95-53-4 | It is used in the production of other substances, such as dyes, rubber, pharmaceuticals and pesticides. |
| Oxirane, methyl- | 75-56-9 | It is an industrial chemical used in the production of other substances. |
| Oxydemeton-methyl | 301-12-2 | It is used as an insecticide. |
| Oxyfluorfen | 42874-03-3 | It is used as an herbicide. |
| Perchlorate | 14797-73-0 | It is both a naturally occurring and human-made chemical. Perchlorate is used to manufacture fireworks, explosives, flares and rocket propellant. |
| Perfluorooctane sulfonic acid (PFOS) | 1763-23-1 | PFOS was used in fire fighting foams and various surfactant uses; few of which are still ongoing because no alternatives are available. |
| Perfluorooctanoic acid (PFOA) | 335-67-1 | PFOA is used in the manufacture of fluoropolymers, substances which provide non-stick surfaces on cookware and waterproof, breathable membranes for clothing |
| Permethrin | 52645-53-1 | It is used as an insecticide. |
| Profenofos | 41198-08-7 | It is used as an insecticide and an acaricide. |
| Quinoline | 91-22-5 | It is used in the production of other substances, and as a pharmaceutical (anti-malarial) and as a flavoring agent. |
| RDX (Hexahydro-1,3,5-trinitro-1,3,5-triazine) | 121-82-4 | It is used as an explosive. |
| sec-Butylbenzene | 135-98-8 | It is used as a solvent for coating compositions, in organic synthesis, as a plasticizer and in surfactants. |
| Strontium | 7440-24-6 | It is naturally-occurring element and is used as strontium carbonate in pyrotechnics, in steel production, as a catalyst and as a lead scavenger. |
| Tebuconazole | 107534-96-3 | It is used as a fungicide. |
| Tebufenozide | 112410-23-8 | It is used as an insecticide. |
| Tellurium | 13494-80-9 | It is a naturally-occurring element and is commonly used as sodium tellurite in bacteriology and medicine. |
| Terbufos | 13071-79-9 | It is used as an insecticide. |
| Terbufos sulfone | 56070-16-7 | Terbufos sulfone is a phosphorodithioate pesticide degradate. The parent, terbufos, is used as an insecticide. |
| Thiodicarb | 59669-26-0 | It is used as an insecticide. |
| Thiophanate-methyl | 23564-05-8 | It is used as a fungicide. |
| Toluene diisocyanate | 26471-62-5 | It is used in the manufacture of plastics. |
| Tribufos | 78-48-8 | It is used as an insecticide and as a cotton defoliant. |
| Triethylamine | 121-44-8 | It is used in the production of other substances, and as a stabilizer in herbicides and pesticides, in consumer products, in food additives, in photographic chemicals and in carpet cleaners. |
| Triphenyltin hydroxide (TPTH) | 76-87-9 | It is used as a pesticide. |
| Urethane | 51-79-6 | It is used as a paint ingredient. |
| Vanadium | 7440-62-2 | It is a naturally-occurring element and is commonly used as vanadium pentoxide in the production of other substances and as a catalyst. |
| Vinclozolin | 50471-44-8 | It is used as a fungicide. |
| Ziram | 137-30-4 | It is used as a fungicide. |
Microbial Contaminants
| Microbial Contaminant Name | Information | |
|---|---|---|
| Adenovirus | Virus most commonly causing respiratory illness, and occasionally gastrointestinal illness | |
| Caliciviruses | Virus (includes Norovirus) causing mild self-limiting gastrointestinal illness | |
| Campylobacter jejuni | Bacterium causing mild self-limiting gastroentestinal illness | |
| Enterovirus | Group of viruses including polioviruses, coxsackieviruses and echoviruses that can cause mild respiratory illness | |
| Escherichia coli (0157) | Toxin-producing bacterium causing gastrointestinal illness and kidney failure | |
| Helicobacter pylori | Bacterium sometimes found in the environment capable of colonizing human gut that can cause ulcers and cancer | |
| Hepatitis A virus | Virus that causes a liver disease and jaundice | |
| Legionella pneumophila | Bacterium found in the environment including hot water systems causing lung diseases when inhaled | |
| Mycobacterium avium | Bacterium causing lung infection in those with underlying lung disease, and disseminated infection in the severly immunpcompromised | |
| Naegleria fowleri | Protozoan parasite found in shallow, warm surface and ground water causing primary amebic meningoencephalitis | |
| Salmonella enterica | Bacterium causing mild self-limiting gastrointestinal illness | |
| Shigella sonnei | Bacterium causing mild self-limiting gastrointestinal illness and bloody diarrhea | |

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