Insights & announcements
News & Events
Regulatory updates, technical guidance, and company news from the Citadel team.
Showing all 223 articles · 0 upcoming · 1 past event
Blog·Oct 8, 2026
Hazardous Materials & Waste Management Training
Complete your facility’s required environmental compliance trainings with Citadel. Learn who needs HMBP, SPCC, and SWPPP training, what it should cover, and how long records must be kept.
Blog·Sep 15, 2026
$73 Million Approved for Zero-Emission Trucks & Infrastructure
Blog·Aug 17, 2026
Completing an SPCC Plan in Oregon and Washington: What Facility Operators Need to Know
Blog·Aug 11, 2026
Contaminated Media Management Plans: Keeping Construction Projects Moving in Oregon and Washington
Blog·Jul 28, 2026
Completing a NEPA Environmental Assessment: A Practical Guide for Project Owners
Blog·Jul 20, 2026
Washington State Industrial Stormwater General Permit: What Industrial Facilities Need to Know in 2026
Blog·Jul 14, 2026
Oregon’s New 1200-Z Industrial Stormwater Permit Is Here: Is Your Facility Ready?
Blog·Jul 7, 2026
CARB’s Zero-Emission Forklift Regulation: What Small Fleets Need to Know
News·May 29, 2026
Citadel EHS Acquires Aurora Industrial Hygiene
News·May 8, 2026
Citadel EHS Expands Pacific Northwest Industrial Hygiene, Safety, and Environmental Engineering Services with Strategic Leadership Additions
Blog·May 1, 2026
Psychosocial Hazards in the Workplace: Why They Matter for Safety, Health, and Organizational Performance
Blog·Apr 22, 2026
Odor Complaints in IAQ Investigations | A Practical Framework for EHS & Facilities
Blog·Apr 19, 2026
AQMD AER 2025 Updates: Key Changes & Compliance Guide
Blog·Apr 15, 2026
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.
Blog·Apr 7, 2026
Cryogenic Fluids & Dry Ice: Oxygen‑Displacement Hazards | Practical Guide
News·Apr 6, 2026
Citadel EHS Recognized with EBJ Project Merit Award for Landmark Drinking Water Study
Blog·Apr 2, 2026
WAIRE Mitigation Program Funding is Coming
Blog·Mar 4, 2026
Wildfire and Combustion By-Products in Buildings: Testing, Cleanup, and Verification
Blog·Mar 3, 2026
Data Center EHS&S Gaps: What the Industry Isn't Talking About
Blog·Feb 26, 2026
Beyond the Tap: Preventing Lead Exposure in Child Care Facilities
Blog·Feb 26, 2026
California Environmental Reporting System (CERS): What Businesses Need to Know Before the March 1, 2026 Deadline
Blog·Feb 25, 2026
Reminder: EPA Biennial Hazardous Waste Report Due March 1, 2026
Blog·Feb 2, 2026
Workplace Violence Prevention Under SB 553: When the Built Environment Compounds Risk
News·Feb 2, 2026