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- From streets to streams: Assessing the toxicity potential in ...
Intraurban Variability of Ambient PM Arsenic and Other Air Toxics Metals in St. Louis
The Missouri Department of Natural Resources (MoDNR) and Washington University participated in a project to collect and analyze air toxics metals data. It was funded through a Community Air Toxics Grant from the U.S. Environmental Protection Agency (USEPA). The study grew out of the southside St. Louis Community Air Project (CAP) which identified six hazardous air pollutants of concern including arsenic and health risk thresholds for each pollutant. However, the quality of the fine particulate matter (PM) arsenic...
EPA’s Process for Assessing and Controlling Toxic Chemicals Remains on GAO’s High-Risk List
The U.S. Government Accountability Office (GAO) released on March 6, 2019, a report entitled High-Risk Series: Substantial Efforts Needed to Achieve Greater Progress on High-Risk Areas. GAO’s high-risk program identifies government operations with vulnerabilities to fraud, waste, abuse, and mismanagement, or in need of transformation to address economy, efficiency, or effectiveness challenges. GAO’s report describes the status of high-risk areas and outlines actions necessary to assure further...
GAO Reviews EPA`s IRIS Assessment Efforts and Implementation of TSCA Reforms
On March 4, 2019, the U.S. Government Accountability Office (GAO) published a report titled Chemical Assessments: Status of EPA’s Efforts to Produce Assessments and Implement the Toxic Substances Control Act. The report describes the extent to which the U.S. Environmental Protection Agency’s (EPA) Integrated Risk Information System (IRIS) Program has addressed identified challenges and made progress toward producing chemical assessments; and assesses whether EPA has demonstrated progress implementing...
Assessment of toxic metals in water and sediment of Pasur River in Bangladesh
This study was conducted to assess the levels of toxic metals like arsenic (As), chromium (Cr), cadmium (Cd), and lead (Pb) in water and sediments of the Pasur River in Bangladesh. The ranges of Cr, As, Cd, Pb in water were 25.76–77.39, 2.76–16.73, 0.42–2.98 and 12.69–42.67 μg/L and in sediments were 20.67–83.70, 3.15–19.97, 0.39–3.17 and 7.34–55.32 mg/kg. The level of studied metals in water samples exceeded the safe limits of drinking water, indicating that water from this river is not safe for drinking and...
Bad air at home linked to poor performance at school
EPA Warns Indoor Air More Concerning That polluted haze that can be seen over the horizon, acting like a beacon and reminding you what should already be common sense and well understood: dirty air is not good for your health. That is the visible simplicity of smog outside, but how about the air in your own homes or where you work? It is a fact that indoor air is, in many cases, a more grievous concern than outdoor air. The EPA has put indoor air quality on its top five concerns for our overall health. That&rsquo...