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Creosote was first discovered in its wood-tar form in 1832, by Carl Reichenbach, when he found it both in the tar and in pyroligneous acids obtained by a dry distillation of beechwood. Because pyroligneous acid was known as an antiseptic and meat preservative , Reichenbach conducted experiments by dipping meat in a dilute solution of distilled ...
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 ...
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.
[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 ...
In the report by the Texas Department of State Health Services, Assessment of the Occurrence of Cancer Houston, Texas 2000–2016, [1] it was found that when comparing the cancer analysis of the Fifth Ward to other areas within Texas and Houston, several cancers were statistically greater than what would be expected in an uncontaminated area.
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 ...
An American student analysing publicly available data found a sprawling Mayan city with thousands of undiscovered structures, including pyramids, under a Mexican forest.. The data came from laser ...
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 ...