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The Former Asarco Demolition Fallout, A Post Study On Lead Soil Concentrations And Environmental Agents Of Redistribution In El Paso, Texas, Stephanie A. Robinson Jan 2017

The Former Asarco Demolition Fallout, A Post Study On Lead Soil Concentrations And Environmental Agents Of Redistribution In El Paso, Texas, Stephanie A. Robinson

Open Access Theses & Dissertations

The former El Paso ASARCO Smelting and Refining Co. operated between 1877 and 1999, the pyrometallurgic activity was estimated to have discharged excess of a 1,000 tons of lead (Pb) into the atmosphere from 1969-71. It was estimated 96 tons of (Pb) were emitted on an annual basis from the standing ore and fluid beds. The Environmental Protection Agency (EPA) determined that lead (Pb) is the heavy metal of the highest concentration within the vicinity of the smelter. After the smelter production ceased, flash flooding common to the southwest, such as the 2006 historic flood, increased transportation of superficial contaminants …


The Texas Sales Tax Rebate Program, Jose Angel Moreno Jan 2017

The Texas Sales Tax Rebate Program, Jose Angel Moreno

Open Access Theses & Dissertations

The sale tax rebate program has existed in states along the U.S. â?? Mexico border for over 60 years and, in Texas, it has been the subject of much debate regarding both its legitimacy and its efficacy in stimulating real retail sales particularly in border cities. No empirical research exists, though, that provides insight into the statistical relationships between the Texas retail sector and total certificates issued by Private Customs Brokers (PCBs) in border cities. This study fills this research gap by creating a model that tests the statistical significance of real retail sales on total certificates issued in Texas. …