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REPORT ON WATER AND SOIL SAMPLING -LINE CAMP PIT DRAFT PAGE 4 <br />drinking water exceeding the U.S. drinking water standard of 1.0 mg/I. The incidence of <br />cardiovascular mortality and/or the prevalence of various cardiovascular, cerebrovascular <br />and renal diseases was compared between communities with barium concentrations <br />exceeding the drinking water standard, and communities which have negligible barium in <br />their drinking water. Mortality rates for cardiovascular diseases were retrospectively <br />determined for the years 1971-1975. A comparison between communities with elevated <br />barium levels (greater than 2 mg/I) and communities with low or no barium (less than 0.2 <br />mg/I) in their public water supplies did show higher mortality rates for the exposed <br />population. The prevalence of various cardiovascular, cerebrovascular and renal diseases <br />in two communities having similar socioeconomic characteristics and different <br />concentrations of barium in their drinking water (mean barium concentration of 7 mg/I in <br />water supply of exposed population as compared to 0.1 mg/I in the control) was <br />determined through an epidemiology study. Results of the study revealed significant <br />differences in blood pressure between the two communities and especially in the male <br />population exposed to barium when the data were refined to correct for the influence of <br />water softening, blood pressure medication, hypertension and duration of exposure. <br />Barium And Chemtrails -Facts On Toxicity <br />September 10, 2001 -source: U.S. Department of Health and Human Services /Agency for Toxic <br />Substances and Disease htto://www.atsdr.cdc.gov/tfacts24.html 1-11-01 <br />Material Safety Data Sheet (University of Utah) -Agency for Toxic Substances and Disease <br />Registry <br />This fact sheet answers the most frequently asked health questions about barium. For more <br />information, you may call the ATSDR Information Center at 1-800-447-1544. This fact sheet is <br />one in a series of summaries about hazardous substances and their health effects. This <br />information is important because this substance may harm you. The effects of exposure to any <br />hazardous substance depend on the dose, the duration, how you are exposed, personal traits <br />and habits, and whether other chemicals are present. -SUMMARY: Exposure to barium occurs <br />mostly in the workplace or from drinking contaminated water. Ingesting high levels of barium can <br />cause problems with the heart, stomach, liver, kidneys, and other organs. This chemical has been <br />found in at least 649 of 1,416 National Priorities List sites identified by the Environmental <br />Protection Agency. <br />What is barium? (Pronounced bare-um) <br />Barium is a silvery-white metal found in nature. It occurs combined with other chemicals such as <br />sulfur or carbon and oxygen. These combinations are called compounds. Barium compounds can <br />also be produced by industry. <br />Barium compounds are used by the oil and gas industries to make drilling muds. Drilling muds <br />make it easier to drill through rock by keeping the drill bit lubricated. They are also used to make <br />paint, bricks, tiles, glass, and rubber. <br />A barium compound (barium sulfate) is sometimes used by doctors to perform medical tests and <br />to take x-rays of the stomach. <br />What happens to barium when it enters the environment? <br />Barium gets into the air during the mining, refining, and production * of barium compounds, and <br />from the burning of coal and oil. * Some barium compounds dissolve easily in water and are <br />