Learn the Issues
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Operation and Maintenance Resources for Small Drinking Water Systems
These documents and tools provide information on identifying treatment technologies that remove multiple contaminants, schedules for maintenance tasks and checklists, and logs for easily recording findings.
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2025 Ozone Exceedances
View 2025 Ozone Exceedances for New England.
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Systech Environmental Corporation, Paulding, Ohio Draft Federal RCRA Permit
Systech operates a facility that specializes in storage and treatment of hazardous waste this is a Federal RCRA Permit to address organic air emissions.
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Veolia ES Technical Solutions, West Carrollton, Ohio Draft Federal RCRA Permit
Veolia ES Technical Solutions, West Carrolton, Ohio Draft Federal RCRA Permit involving solvent recycling and distribution of new solvents
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Fact Sheet: Nonylphenols and Nonylphenol Ethoxylates
EPA's existing chemicals programs address pollution prevention, risk assessment, hazard and exposure assessment and/or characterization, and risk management for chemicals substances in commercial use.
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Paraquat Dichloride Training for Certified Applicators
Training for Paraquat Dichloride applicators
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AQS Memos - Monitoring and Policy
AQS Monitoring and Policy
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What do I do when I receive the error "Sample duration cannot change within a calendar year"?
When the need to change sample duration at a monitor arises a user should create a new POC with the new sample duration. By adding a new POC and this will allow for better understanding of what is going on at the site during any analysis. EPA utilizes the POC…
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AQS User Guide
User Guide initial page
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Batch Submission of Data - Using the ENSC
Overview of how to use the ENSC for AQS batch submissions
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On-Line Data Tools - Maintain Monitor
Overview in AQS on how to use the Maintain Monitor forms
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Procurement Best Practices: Collaborative Negotiation Versus New Procurement
Best zero waste procurement practices - collaborative negotiation instead of new full procurement process.
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Procurement Process Best Practices
Learn about procurement process best practices designed to advance towards zero waste for cost-effective ways to develop agreements that align common interests in waste reduction, recycling and composting.
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Sample Zero Waste Contract and Franchise Agreement Clauses
The clauses found on this page have been used in local government contracts and agreements and are provided as examples for local governments considering franchise agreements.
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Community Support at Superfund Sites
SRP engages with communities to strengthen partnerships, enhance remedy protectiveness, promote long-term stewardship, reduce stigma and create opportunities for reduced cleanup costs.
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2025 Southern California Wildfires
On January 7, 2025, a series of catastrophic wildfires developed in Los Angeles County. EPA is working as part of an all-of-government response to these wildfires. We are tasked with removing hazardous materials from nearly 14,000 affected properties.
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Superfund Redevelopment Program
Highlights about the Superfund Redevelopment Program.
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Procurement Best Practices: Start Early and Provide Zero Waste Information and Evaluation Criteria
Best practices for zero waste procurements - start early and provide zero waste information and evaluation criteria.
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Lake Tahoe Water Quality Improvement Programs
Information on the Lake Tahoe watershed, EPA's protection efforts, water quality issues, effects of climate, change, Lake Tahoe Total Maximum Daily Load (TMDL), EPA-sponsored projects, and list of partner agencies.