Learn the Issues
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Costs and Benefits of an EMS
Costs and benefits of implementing an Environmental Management System (EMS).
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Lead Service Line Inventory Regulatory Compliance Training
Lead Service Line Inventory Regulatory Compliance Training
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Basic Information about Sewage Sludge and Biosolids
Context for how biosolids and sewage sludge relate to each other, and how regulations provide a framework for use or disposal.
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EPA Acts to Protect Truckee River Watershed, Benefit Pyramid Lake Paiute Reservation Through Settlement with CEMEX
U.S. Environmental Protection Agency (EPA) has settled with CEMEX Construction Materials Pacific, LLC over Clean Water Act violation claims at its sand and gravel mine located in Wadsworth, Nevada, on the Pyramid Lake Paiute Tribe Reservation.
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United Nuclear Corporation and General Electric to Perform $63 Million Cleanup of Uranium Mine Waste at Northeast Church Rock Mine in Navajo Nation
The United Nuclear Corporation (UNC) and General Electric Company (GE) have agreed to a Consent Decree with the United States, Navajo Nation and the State of New Mexico under the federal Superfund law.
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Previous In the Loop with EPA - Circular Economy Updates
newsletter doc
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Current Human Subjects Research Projects
Current Human Subjects Research Projects
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Effective Utility Management in Action: Utility Case Examples
These case examples inform utilities about how their peer water service providers have integrated Effective Utility Management (EUM) into their day-to-day operations and future planning initiatives.
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Daycare and Classroom Outreach Materials
National Head Start Association Lead Poisoning Prevention Resources
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Sterigenics Willowbrook Facility - Summary of U.S. EPA's Risk Assessment
Summary of the risk assessment for ethylene oxide emissions in Willowbrook, IL
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Climate Change Regulatory Actions and Initiatives
Information about regulatory activities addressing greenhouse gas emissions from mobile sources and stationary sources.
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Examples of Equivalent Processes: PFRP and PSRP
Equivalent Processes: PFRP and PSRP
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Fact Sheet: Land Application of Biosolids
Recycling biosolids through land application serves several purposes. It improves soil properties, such as texture and water holding capacity, which make conditions more favorable for root growth and increases the drought tolerance of vegetation.
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Fact Sheet: In-Vessel Composting of Biosolids
In-vessel composting occurs within a contained vessel, enabling the operator to maintain closer control over the process in comparison with other
composting methods. -
Fact Sheet: Alkaline Stabilization of Biosolids
Stabilization of biosolids helps to minimize the potential for odor generation, destroys pathogens (disease causing organisms), and reduces the material’s vector attraction potential.
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Fact Sheet: Belt Filter Press
Belt filter presses can be used to dewater most biosolids generated at municipal wastewater treatment plants and are a common type of mechanical dewatering equipment.
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Fact Sheet: Centrifuge Thickening and Dewatering
Dewatering removes water and produces a drier material referred to as “cake” which varies in consistency.
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Fact Sheet: Multi-Stage Anaerobic Digestion
Multi-stage anaerobic digestion can achieve superior performance relative to single-stage conventional digestion for most wastewater solids
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Fact Sheet: Use of Composting for Biosolids Management
Biosolids Technology Fact Sheet on Use of Composting of Biosolids Management
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Fact Sheet: Gravity Thickening
Fact sheet regarding thickening of solids