Caltha, LLP
  • SERVICES
    • Air, Water & Waste Permitting
    • Compliance Programs, EMS & Auditing
    • EHS Compliance Training
    • Environmental Due Diligence & Review
    • Environmental Site Assessment & Cleanup
    • Safety & Health Consultant Services
    • Stormwater Permitting & Compliance
    • Temporary EHS Staffing
    • Water Quality & Water Quality Standards
  • RESOURCES
    • Environmental Regulatory Compliance
    • SWPPP Stormwater Permits
    • Water Quality Standards
    • Environmental Due Diligence
    • Environmental Review
  • NEWS
  • ABOUT
  • REQUEST INFO / QUOTE
    • EHS Training
    • EHS Plans
    • Phase 1 ESA
    • General Inquiries
Select Page

Who Is the Responsible Government Unit RGU For Minnesota Environmental Review?

by Caltha Company | Nov 28, 2012 | Environmental Review, FAQ

In Minnesota, any environmental review begins by determining what organization will serve as the Responsible Government Unit, or RGU. This includes Environmental Assessment Worksheets (EAW) and Environmental Impact Statements (EIS). Minnesota rules list what...

What Is A Contiguous Site – Separate Site Under RCRA?

by Caltha Company | Nov 27, 2012 | FAQ, Waste

The federal Resource Conservation & Recovery Act (RCRA) requires that generators of hazardous waste request a federal site identification number for their site. The question is often asked by our clients what defines a separate site under RCRA which would need a...

What Is Residual Designation Authority Under Clean Water Act?

by Caltha Company | Nov 16, 2012 | FAQ, Water

Recently, industrial, commercial and municipal NPDES discharge permits have been required for dischargers in selected areas that have not previous been required to obtain such permits, under existing applicability requirements. This requirement has been in conjunction...

What Are Great Lakes Water Quality Wildlife Criterion and How Are They Calculated?

by Caltha Company | Nov 14, 2012 | FAQ, Water

The Water Quality Guidance for the Great Lakes System, also known as the Great Lake Initiative or GLI (40 CFR 132), created a few new types of water quality standards intended to be applied to waters in the Great Lakes basin. A Great Lakes Water Quality Wildlife...

How are “benchmark values” in my NPDES permit different than “permit limits”?

by Caltha Company | Nov 14, 2012 | FAQ, Stormwater, Water

Benchmark values differ from permit limits. In a typical wastewater NPDES permit, limits may be specified for chemical parameters; if any of the limits are exceeded, it becomes a violation of the permit and may be subject to enforcement action. Benchmark values, in...

What Is The Difference Between Aquatic Life Benchmarks and Water Quality Criteria?

by Caltha Company | Nov 14, 2012 | FAQ, Water

Two Offices within US EPA derive “standards” for pesticides to protect aquatic life. However, the methods used to derive these “standards” are quite different, as are the intended uses for the information. Aquatic life benchmarks are derived by Office of Pesticide...
« Older Entries
Next Entries »

Categories

Recent Posts

  • Cleanup Plan For Former Wastewater Treatment Facility
  • Safety and Environmental Compliance Audit For Indianapolis Plant
  • How Much Is A Phase 2 Environmental Assessment?

Archives

Copyright © 2025 Caltha, LLP | Website by Digital Edison