Chemicals
| Contaminant | Description | EPA Designation |
|---|---|---|
| 1,1,2,2-Tetrachloroethane | 1,1,2,2-Tetrachloroethane is a synthetic chemical used for metal degreasing and in the production of paint, cement, paint removers and moth-proofing products. | Candidate |
| 1,1-Dichloroethane | 1,1-Dichloroethane is used in industrial chemical synthesis, as a solvent for plastics, paint, varnish, and finish removers and as an insecticide/fumigant. | Candidate |
| 1,1-Dichloropropene | 1,1-Dichloropropene is a chlorinated volatile solvent with industrial uses and is found as pollutant in surface and groundwater. | Candidate |
| 1,2,4-Trimethylbenzene | 1,2,4-Trimethylbenzene is a chemical intermediate, industrial solvent, and component of gasoline, coal tar and petroleum products. | Candidate |
| 1,2-Diphenylhydrazine | 1,2-Diphenylhydrazine is a manufactured chemical formerly used to make fabric dyes; still used in production of some pharmaceuticals. | Candidate |
| 1,3-Dichloropropane | 1,3-Dichloropropane is an industrial solvent and an intermediate for manufacture of other chemicals. | Candidate |
| 1,3-Dichloropropene | 1,3-Dichloropropene is used in chemical synthesis, in agriculture as a soil fumigant and nematocide, and as a corrosion inhibition agent. | Candidate |
| 2,2-Dichloropropane | 2,2-Dichloropropane is an intermediate used in chemical manufacturing. | Candidate |
| 2,4,6-Trichlorophenol | 2,4,6-Trichlorophenol is a manufactured chemical that had been formerly used in various pesticide formulations and wood preservatives; probable human carcinogen; persistent in the environment; phased out of most uses in the U.S. | Candidate |
| 2,4-Dichlorophenol | 2,4-Dichlorophenol is a chlorinated derivative of phenol; used in chemical manufacture as an intermediate to produce herbicide 2,4-D as well as other pesticides preservatives, antiseptics, and disinfectants . | Candidate |
| 2,4-Dinitrophenol | 2,4-Dinitrophenol is a manufactured chemical used in making dyes, wood preservatives, explosives, insect control substances, and as a photographic developer. | Candidate |
| 2,4-Dinitrotoluene | 2,4-Dinitrotoluene is a synthetic chemical used in the production of dyes and as a propellant in explosives. | Candidate |
| 2,6-Dinitrotoluene | 2,6-Dinitrotoluene is a chemical intermediate in the production of other industrial chemicals, dyes, explosives and propellants. | Candidate |
| 2-methyl-Phenol | Cresols are organic compounds which are methylphenols. They are a widely occurring natural and manufactured group of aromatic organic compounds which are categorized as phenols (sometimes called phenolics). | Candidate |
| Acetochlor | Acetochlor is an herbicide used on cabbage, citrus, coffee and corn crops; it is a probable human carcinogen. | Candidate |
| Alachlor ESA (Ethane Sulfonic Acid) | Alachlor ESA is a breakdown product of herbicide Alachlor. | Candidate |
| Aluminum | Aluminum is a metal released from metal refineries and mining operations. | Secondary |
| Boron | Boron is a chemical element with chemical symbol B and atomic number 5. Because boron is produced entirely by cosmic ray spallation and not by stellar nucleosynthesis,[8] it is a low-abundance element in both the solar system and the Earth's crust. | Candidate |
| Bromobenzene | Bromobenzene is an industrial solvent, an intermediate in chemical manufacturing and a motor oil additive; it may form as a byproduct of water disinfection. | Candidate |
| Chloride | An atom of chlorine in solution; an ion bearing a single negative charge. | Secondary |
| DCPA di-acid degradate | DCPA di acid degradate is a residue of Dacthal (DCPA), an herbicide used for urban, household and agricultural applications. | Candidate |
| DCPA mono-acid degradate | DCPA mono acid degradate is a residue of Dacthal (DCPA),an herbicide used for urban, household and agricultural applications. | Candidate |
| DDE | 1,1-Dichloro-2,2-bis(p-chlorophenyl) ethylene (DDE) is a breakdown product of DDT, which was used in the past as an insecticide. No information is available on the acute (short-term) or chronic (long-term) effects of DDE. Acute, oral exposure to high do | Candidate |
| Diazinon | Diazinon is an herbicide for various household and agricultural uses. | Candidate |
| Disulfoton | Disulfoton is a herbicide used on small grains, sorghum, corn, some vegetables, fruit, and nut crops, ornamental, and potted plants. | Candidate |
| Diuron | Diuron is an herbicide used on railroad rights-of-way, cotton, citrus crops, fruits, nuts and other crops. | Candidate |
| EPTC | EPTC (Eptam, S-Ethyl N,N-dipropylthiocarbamate) is an herbicide used as a soil fumigant for corn and other crops for the control of grassy, perennial and broadleaf weeds. | Candidate |
| Foaming agents | Foaming agents (surfactants) are detergents or detergent-like substances used as cleaning agents in industrial and consumer goods such as personal care products; they are also used as inert ingredients in pesticides. | Secondary |
| Fonofos | Fonofos is an insecticide used on corn and on commercial and residential lawns. | Candidate |
| Iron | Iron is a chemical element with the symbol Fe (from Latin: ferrum) and atomic number 26. It is a metal in the first transition series. It is the most common element (by mass) forming the planet Earth as a whole, forming much of Earth's outer and inner cor | Secondary |
| Linuron | Linuron is a herbicide used on various food and non-food crops as well as on crops stored in warehouses and storerooms. | Candidate |
| Manganese | Manganese is a naturally occurring element released from mineral deposits as well as industrial use. | Secondary |
| Methyl bromide | Bromomethane, commonly known as methyl bromide, is an organobromine compound with formula CH3Br. This colorless, odorless, nonflammable gas is produced both industrially and particularly biologically. | Candidate |
| Methyl-t-butyl ether | Methyl tert-butyl ether, also known as methyl tertiary butyl ether and MTBE, is an organic compound with molecular formula (CH3)3COCH3. | Candidate |
| Metolachlor | Metolachlor is an herbicide applied on corn, soybeans, peanuts, cotton and pod crops. | Candidate |
| Molinate | Molinate is an herbicide used on rice to control watergrass. | Candidate |
| Nitrobenzene | Nitrobenzene is a synthetic chemical used in the production of aniline, which is used to make dyes, herbicides and drugs. | Candidate |
| Organotins | Organotin compounds or stannanes are chemical compounds based on tin with hydrocarbon substituents. Organotin chemistry is part of the wider field of organometallic chemistry.[1] The first organotin compound was diethyltin diiodide, discovered by Edward F | Candidate |
| p-Isopropyltoluene | p-Isopropyltoluene is a widely used industrial chemical used in the manufacture of paint, furniture and other consumer goods. | Candidate |
| Perchlorate | Perchlorate is a synthetic oxygen additive in solid fuel propellant for rockets, missiles, and fireworks, and is primarily used by the military and the space industry; it may occur naturally in certain imported agricultural fertilizers. | Candidate |
| Prometon | Prometon is an herbicide used to control annual and perennial weeds and grasses. | Candidate |
| RDX | Hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) is a manufactured chemical widely used as an explosive in military and industrial applications. | Candidate |
| Silver | Silver is an element from natural deposits and mining wastes; it is also associated with the development of photographic and x-ray film and the use of silver in antibacterial consumer products. | Secondary |
| Sulfate | Sulfate in drinking water currently has a secondary maximum contaminant level (SMCL) of 250 milligrams per liter (mg/L), based on aesthetic effects (i.e., taste and odor). This regulation is not a Federally enforceable standard, but is provided as a guide | Secondary |
| Terbacil | Terbacil is an herbicide used on sugarcane, apples, alfalfa, peaches and nuts. | Candidate |
| Terbufos | Terbufos is a neurotoxic insecticide and nematicide primarily used on corn, as well as on sorghum and sugar beets. | Candidate |
| Triazines & degradation products of triazines | A triazine is one of three organic chemicals, isomeric with each other, whose molecular formula is C3H3N3 and whose empirical formula is CHN. | Candidate |
| Vanadium | Vanadium is a metal used as an alloying addition to iron & steel; it is discharged from ceramic, glass, textile, photography, metallurgy and rubber industries. | Candidate |
| Zinc | Zinc, in commerce also spelter, is a metallic chemical element; it has the symbol Zn and atomic number 30. It is the first element of group 12 of the periodic table. Zinc is, in some respects, chemically similar to magnesium, because its ion is of similar | Secondary |
