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The term creosote has a broad range of definitions depending on the origin of the coal tar oil and end-use of the material. With respect to wood preservatives, the United States Environmental Protection Agency (EPA) considers the term creosote to mean a pesticide for use as a wood preservative meeting the American Wood Protection Association (AWPA) Standards P1/P13 and P2. [6]
Larrea tridentata, called creosote bush, greasewood, [2] and chaparral is a medicinal herb. [3] In Sonora, it is more commonly called hediondilla; [4] Spanish hediondo = "smelly". It is a flowering plant in the family Zygophyllaceae. The specific name tridentata refers to its three-toothed leaves. [5]
The plant operated from 1902 until 1981, when the company filed for bankruptcy. Before 1950, creosote was the primary wood preservative chemical, and after 1950 pentachlorophenol (PCP) became the preferred chemical. Prior to 1970, operators discharged liquid process wastes into two onsite, unlined, percolation ponds which were allowed to ...
Long-term exposure to creosote may cause birth defects and cancer, according to the federal Agency for Toxic Substances and Disease Registry. Brown contends that Collier never disclosed the ...
To increase the volume of creosote available for wood treatment, Southern Pacific used creosote extenders in the site's treatment process. [18] Concerns arose when it was revealed [17] that some of these extenders were sourced from what are now Houston-area Superfund sites––including Brio Refining, Dixie Oil Processors, and Motco––bringing the extender's safety and toxicity into ...
[24] [25] The goal of capping is to isolate contamination, in this case creosote leakage from the initial site causing an increase in PAH, the carcinogenic hydrocarbon found in creosote. From the beginning of the capping process in 1993 to 1997, creosote was still being identified throughout the bay, spurring the construction of a containment ...
Residents of Houston’s Fifth Ward are renewing calls for the removal of creosote in their neighborhoods, which they claim has The post Black residents in cancer cluster demand creosote cleanup ...
[2] [3] It is a type of creosote. It has both medical and industrial uses. [2] [4] Medicinally it is a topical medication applied to skin to treat psoriasis and seborrheic dermatitis . [5] It may be used in combination with ultraviolet light therapy. [5] Industrially it is a railroad tie preservative and used in the surfacing of roads. [6]