
Environmental Compliance & Permitting
Overview
Our compliance specialists turn regulatory complexity into clear, manageable programs tailored to your operations. We help clients stay aligned with municipal, state, and federal environmental regulations — avoiding fines and penalties while supporting long-term growth.
Overview
Our compliance specialists turn regulatory complexity into clear, manageable programs tailored to your operations. We help clients stay aligned with municipal, state, and federal environmental regulations — avoiding fines and penalties while supporting long-term growth.
What we do
Our expertise
Comprehensive environmental compliance & permitting solutions tailored to your needs
Hazardous Materials/Hazardous Wastes Compliance
Cradle-to-grave hazardous materials and waste programs — inventories, CUPA registrations, permitting, spill prevention, tank compliance, and the reporting that keeps them audit-ready.
- Chemical Inventories
- ISO 14001 Audit/Compliance/Reporting
- Certified Unified Program Agencies (CUPA) HMBP Services
- + 6 more
Stormwater/Groundwater Compliance
Industrial and general stormwater permitting and groundwater protection — SWPPP development and training, QSP/QSD/QISP services, and NPDES compliance.
- Storm Water Permitting: Industrial and General, SWPPP Prep/Training, QSP/QSD/QISP Services
- National Pollutant Discharge Elimination System (NPDES)
Industrial Wastewater Services
Permitting, monitoring, and compliance support for industrial wastewater discharge — from permit acquisition through ongoing sampling and reporting.
- Industrial Wastewater Permitting and Compliance
Construction Mitigation Measures and Reporting
CEQA/NEPA mitigation monitoring, air, noise, and vibration programs, and SCAQMD Rule 1466/1166 compliance for projects in construction.
- CEQA/NEPA Support, Mitigation Monitoring
- Air, Noise, Vibration Monitoring, Mitigation Design, Bid Doc Prep
- SCAQMD Rule 1466 and 1166 Compliance
Case Studies
Featured Projects
See how we've applied our expertise to real-world challenges
Meet the Team
Our Specialists
Expert professionals dedicated to your success
From the team
Latest insights

Navigating OSHA Citations: A Consultant's Perspective
Each year, OSHA and state plans issue approximately 100,000 citations for health and safety violations. Citadel EHS assists employers in understanding citations, responding strategically, and strengthening safety programs.
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SCAQMD Rule 1466 Dust Monitoring Simplified
Earth-moving projects containing known Toxic Air Contaminants in the South Coast AQMD region face increased regulatory scrutiny. SCAQMD Rule 1466 targets fugitive dust emissions (PM10) to protect nearby communities.
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New EPA TSCA Rule on Methylene Chloride Use
The Environmental Protection Agency has finalized regulations addressing occupational health risks from methylene chloride exposure, establishing new inhalation exposure concentration limits significantly lower than existing OSHA and Cal/OSHA standards.
Read more→Who we serve
Industries we serve with this practice
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