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© Hall & Associates 2021
  • HOME
  • ABOUT
    • H&A Team
    • Location
    • Representative Clients
    • Links
  • SERVICES
    • TMDL/WLA Development and Review
    • NPDES Permit Compliance and Enforcement
    • Pretreatment Program Development and Review
    • Water Quality Criteria Review and Development
    • CSO and Wet Weather Permitting
    • Watershed Planning, Coalition Buildling, Pollution Credits Trading
    • Environmental Litigation
  • SCIENTIFIC SPECIALTIES
    • Mixing Zone/Dilution Evaluations
    • Technical Evaluations and Studies
    • Site-Specific Water Quality Standards
    • Fate and Effect Studies/Evaluations
    • Headworks Evaluations
    • Statistical Modeling
    • Reasonable Potential Analyses
  • PUBLICATIONS
    • Nutrient Strategy
    • Trading in the Tar-Pamlico
    • Anti-Backsliding Guidance
    • Case Study in Pollutant Trading
    • Big Trouble for Dischargers? - The Impact of Pennsylvania's 2006 Integrated List
    • Water Quality Criteria for Copper - A Need for Revisions
    • Blending: What's Next?
    • Nutrient Regulation On Streams: The Macrophyte Quandary
    • EPA's Wet Weather Policies
    • Obtaining Relief Under the New KHDE Rules
    • Minimizing Liabilities Facing POTWs
    • A Reflection on Metals Criteria
    • DEP NPDES Permitting Discretion Not Unbridged - EHB Agrees
    • Proactive Environmental Permitting: Strategies to Conserve Costs and Improve Environmental Protection
  • CONTACT