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It was soon discovered to be creosote, which is considered a hazardous chemical. This brought attention to the EPA of the issues left behind from the Federal Creosote Site. They started to test the surrounding areas and found creosote in 31 of the 137 homes. In response, by 1998 the site was proposed to the National Priorities List by the EPA.
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]
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 ...
The wood-tar creosote is commonly called "Nikkyoku creosote" (i.e. Japanese pharmacopoeial creosote) as a means to distinguish from potentially harmful industrial creosote. These recent naming conventions were prompted by a controversy set off by a consumer alert booklet, Katte wa ikenai [ ja ] ( 買ってはいけない , "Should not buy ...
Through mapping 115 square miles with light detection and ranging (LIDAR) technology, the team found evidence of a 2,500-year-old settlement (named Sangay) that could’ve been home to a ...
Last month, Mexican authorities discovered 12 bodies buried in clandestine graves in Mexico's northern Chihuahua state. Another 12 bodies were also found in several graves about two hours from ...
L. tridentata in Anza-Borrego Desert State Park. Larrea tridentata is a prominent species in the Mojave, Sonoran, and Chihuahuan Deserts of western North America, and its range includes those and other regions in portions of southeastern California, Arizona, southern Nevada, southwestern Utah, New Mexico, and Texas in the United States, and Chihuahua, Sonora, Coahuila, Nuevo León, Zacatecas ...