Insights & announcements
News & Events
Regulatory updates, technical guidance, and company news from the Citadel team.
Showing all 227 articles · 0 upcoming · 3 past events
California Proposition 45: What the Election Results Mean for Construction, Environmental Compliance, and Climate Risk
Understanding the implications for developers, contractors, and project owners across California.
WAIRE Compliance for 2026 and Annual Reporting in 2027
Washington Dangerous Waste Reporting Requirements: Key Deadlines for Generators
SB253 California's Climate Reporting Deadline Is November 10. Haven't Started? You're Not Alone.
Hazardous Materials & Waste Management Training
$73 Million Approved for Zero-Emission Trucks & Infrastructure
Completing an SPCC Plan in Oregon and Washington: What Facility Operators Need to Know
Contaminated Media Management Plans: Keeping Construction Projects Moving in Oregon and Washington
Completing a NEPA Environmental Assessment: A Practical Guide for Project Owners
Washington State Industrial Stormwater General Permit: What Industrial Facilities Need to Know in 2026
Oregon’s New 1200-Z Industrial Stormwater Permit Is Here: Is Your Facility Ready?
CARB’s Zero-Emission Forklift Regulation: What Small Fleets Need to Know
Citadel EHS Acquires Aurora Industrial Hygiene
Citadel EHS Expands Pacific Northwest Industrial Hygiene, Safety, and Environmental Engineering Services with Strategic Leadership Additions
Psychosocial Hazards in the Workplace: Why They Matter for Safety, Health, and Organizational Performance
Odor Complaints in IAQ Investigations | A Practical Framework for EHS & Facilities
AQMD AER 2025 Updates: Key Changes & Compliance Guide
Cal/OSHA regulatory updates for 2024–2025: Key changes to heat illness, silica, lead, and more – plus what employers need to do to stay compliant.
Cryogenic Fluids & Dry Ice: Oxygen‑Displacement Hazards | Practical Guide
Citadel EHS Recognized with EBJ Project Merit Award for Landmark Drinking Water Study
WAIRE Mitigation Program Funding is Coming
Wildfire and Combustion By-Products in Buildings: Testing, Cleanup, and Verification
Data Center EHS&S Gaps: What the Industry Isn't Talking About
Beyond the Tap: Preventing Lead Exposure in Child Care Facilities
Past events
Bisnow’s Orange County Development, Construction & Design Summit
17900 Jamboree Rd, Irvine, CA 92614
NAVIGATING COSTS, CAPITAL & COMPLEXITY TO DELIVER THE NEXT WAVE OF OC DEVELOPMENT with Cityview, BKM Management Company, Scannell Properties, Santry Development & More
Citadel EHS Attends the 2026 Southern California Joint Technical Symposium
801 E Carson Street, Carson, CA 90745
The symposium brings together professionals across occupational safety, industrial hygiene, and environmental disciplines to exchange ideas and explore practical approaches to workplace challenges. Organized by volunteers from local American Society of Safety Professionals (ASSP) chapters and American Industrial Hygiene Association (AIHA) sections, JTS provides a valuable opportunity to strengthen our professional community.
2026 EHS HAZMAT Summit
New Orleans, Louisiana
Citadel EHS joins environmental, health, safety, and hazardous materials professionals at the 2026 EHS HAZMAT Summit for three days of training, regulatory updates, and industry connection.