CONTAMINATES

An aliphatic compound is a hydrocarbon compound containing carbon and hydrogen joined together in straight chains, branched trains or non-aromatic rings. Aliphatic compounds may be saturated (e.g., hexane and other alkanes) or unsaturated (e.g., hexene and other alkenes, as well as alkynes).

Aliphatic Hydrocarbon

(Gasoline, Diesel, Heavy Oil, Heating Oil)

Polycyclic aromatic hydrocarbons are hydrocarbons—organic compounds containing only carbon and hydrogen—that are composed of multiple aromatic rings. The simplest such chemicals are naphthalene, having two aromatic rings, and the three-ring compounds anthracene and phenanthrene.

Polycyclic aromatic hydrocarbons

(PAH)

Vinyl chloride is an organochloride with the formula H2C=CHCl that is also called vinyl chloride monomer (VCM) or chloroethene. This colorless compound is an important industrial chemical chiefly used to produce the polymer polyvinyl chloride (PVC).

Chloroethenes

(TeCE, TCE, DCEs and MCE)

Diisopropylamine is a secondary amine with the chemical formula (CH₃)₂HC-NH-CH(CH₃)₂. It is best known as its lithium derivative of its conjugate base, lithium diisopropylamide, known as "LDA". LDA is a strong, non-nucleophilic base.

Diisopropylamine

(DIPA)

There are two main kinds recognized in industry:  coal-tar creosote and  wood-tar creosote. The coal-tar variety, having stronger and more toxic properties, has chiefly been used as a preservative for wood; coal-tar creosote was also formerly used as an escharotic, to burn malignant skin tissue, and in dentistry, to prevent necrosis, before its carcinogenic properties became known. The wood-tar variety has been used for meat preservation, ship treatment, and such medical  purposes as: anaestheticantisepticastringent, expectorant, and laxative, though these have mostly been replaced by modern formulations.

Creosote

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Per- and polyfluoroalkyl substances (PFAS) are a group of man-made chemicals that includes PFOA, PFOS, GenX, and many other chemicals. PFAS have been manufactured and used in a variety of industries around the globe, including in the United States since the 1940s. PFOA and PFOS have been the most extensively produced and studied of these chemicals. Both chemicals are very persistent in the environment and in the human body – meaning they don’t break down and they can accumulate over time. There is evidence that exposure to PFAS can lead to adverse human health effects.

PFAS

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Benzene is a colorless, flammable liquid with a sweet odor. It evaporates quickly when exposed to air. Benzene is formed from natural processes, such as volcanoes and forest fires, but most exposure to benzene results from human activities

BTEX

(Benzene, Toluene, Ethylbenzene, Xylenes)

A chlorophenol is any organochloride of phenol that contains one or more covalently bonded chlorine atoms. There are five basic types of chlorophenols and 19 different chlorophenols in total when positional isomerism is taken into account.

Chlorophenols

(PCP, TeCP, TCPs, DCPs and MCP)

Sulfolane (also tetramethylene sulfone, systematic name: 1λ6-thiolane-1,1-dione) is an organosulfur compound, formally a cyclic sulfone, with the formula (CH2)4SO2. It is a colorless liquid commonly used in the chemical industry as a solvent for extractive distillation and chemical reactions

Sulfolane

(Tetramethylene Sulfone)

Tetrachloroethylene, also known under the systematic name tetrachloroethene, or perchloroethylene, and many other names, is a chlorocarbon with the formula Cl₂C=CCl₂. It is a colorless liquid widely used for dry cleaning of fabrics, hence it is sometimes called "dry-cleaning fluid"

Tetrachloroethylene

(PERC or PCE)

Typical environmental impacts associated with excess salt in soil and surface water or groundwater are: Degradation of soil chemical properties and impaired vegetative growth; Degradation of soil physical properties caused by excess sodium concentrations; and. Degraded surface water or groundwater quality.

SALTS

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