Insights & announcements
News & Events
Regulatory updates, technical guidance, and company news from the Citadel team.
Showing all 222 articles · 1 upcoming · 0 past event
Blog·Sep 15, 2026
$73 Million Approved for Zero-Emission Trucks & Infrastructure
The South Coast AQMD Governing Board has approved $73.1 million through the WAIRE Mitigation Program to support zero-emission Class 4-8 trucks, zero-emission yard trucks, and related charging and fueling infrastructure. Eligible applicants include warehouse operators, fleet operators, and infrastructure providers serving warehouses, with funding prioritized for communities where WAIRE fees were collected.
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
Deadline Alert: INVEST CLEAN Charging Infrastructure Incentive Program
News·Jan 22, 2026
Citadel EHS Expands Northern California Building Sciences and Industrial Hygiene Consulting with Hazardous Building Materials Expertise
News·Jan 9, 2026
Broadview Group Invests in Citadel EHS
Blog·Dec 19, 2025
What Three Real Incidents Reveal About Safety Gaps You Might Be Missing
Blog·Dec 2, 2025
How Citadel EHS Secured Rare NFA Letters for VOC Sites in California: A Practical Path to Closure
Blog·Nov 21, 2025
SCAQMD Rule 1466 Dust Monitoring Simplified
Blog·Nov 19, 2025
Ozone from Partial Discharge in Electrical Rooms: What EHS&S Teams Should Check Now
News·Nov 12, 2025
Citadel EHS CEO Loren Witkin Talks Environmental Consulting on Real Smart
Blog·Oct 28, 2025
Navigating OSHA Citations: A Consultant's Perspective
News·Sep 18, 2025
Pacific Northwest Expands Industrial Hygiene Services: Citadel EHS Opens Portland Office
News·Aug 4, 2025
Laura Smolyar Earns Council-Certified Microbial Consultant (CMC) Credential
Blog·May 2, 2025
New EPA TSCA Rule on Methylene Chloride Use
News·Apr 9, 2025
Citadel EHS Featured in Environmental Business Journal's (EBJ) Executive Review
News·Apr 2, 2025
Citadel EHS Plays Pivotal Role in Project Recovery: Rebuilding Los Angeles After January 2025 Wildfires
Blog·Mar 26, 2025
Beyond Machine Guarding: A Comprehensive Approach to Machine Safety
News·Nov 1, 2024
Protecting Your Business and Workers: Navigating New Lead Regulations with Citadel EHS
Blog·Sep 5, 2024
Oil Well Abandonment: Considerations for Redevelopment
Blog·Aug 15, 2024
Seismic Retrofitting: Safeguarding Your Building and Environment with Citadel EHS
News·Jul 8, 2024
Citadel EHS Welcomes Janet Peters to Board of Directors
News·Jul 2, 2024
Celebrating Excellence and Community Support at the 12th Annual Scholarship Celebration!
News·Jun 3, 2024
Citadel EHS participates in The Priority Center’s 4th Annual Pickleball Tournament!
News·Apr 29, 2024
SCAQMD Compliance Reporting Deadline Reminder
News·Apr 29, 2024
Citadel EHS Joins Hands with OC Parks and Irvine Ranch Conservancy for a Day of Environmental Impact! 🌍🌱
News·Apr 17, 2024
EBJ Award Ceremony
News·Apr 15, 2024
Citadel EHS Recognized with Environmental Business Journal Award
News·Apr 15, 2024
EPA News: First-Ever National Drinking Water Standards to Combat PFAS Contamination
News·Apr 12, 2024
DTLA Roses and Lemon Award Breakfast Event
News·Mar 21, 2024
Biden-Harris Administration Finalizes Ban on Ongoing Uses of Asbestos to Protect People from Cancer
News·Mar 14, 2024
Citadel EHS Partnership with Provect-IR Leads to Rapid Reduction of Chlorinated VOCs
News·Mar 1, 2024
Citadel EHS Has Expanded to Charlotte, North Carolina
News·Mar 1, 2024
Citadel EHS is Now CERC Certified
News·Feb 29, 2024
Fight for Clean Air Event!
News·Feb 14, 2024
Congratulations Paola!
Blog·Jan 25, 2024
Construction Safety
News·Dec 17, 2023
Citadel attends the CMAA Holiday Mixer!
News·Dec 6, 2023
PRESS RELEASE – SCAQMD
News·Dec 5, 2023
California Industrial Hygiene Council Professional Development Seminar
News·Nov 20, 2023
Citadel EHS sponsorship – Southern California Development Forum
News·Nov 15, 2023
Cal/OSHA Rain Safety Guidelines
News·Nov 6, 2023
Ethylene Oxide
News·Oct 31, 2023
HAPPY HALLOWEEN!
Blog·Aug 21, 2023
Pre-Demolition Environmentally-Regulated Materials Survey Process
Blog·Aug 18, 2023
Citadel’s External Board of Directors
Blog·Aug 8, 2023
Importance of “Non-Scope” Considerations of Phase I ESAs
News·Jul 31, 2023
Best Places to Work 2023
News·Jul 28, 2023
ESG Commitment – Green Promise Update
News·Jul 26, 2023
New Hires of 2023 – Citadel Growth
News·Jul 19, 2023
Spill Prevention Pollution, Control, and Countermeasure (SPCC)
News·Jun 20, 2023
SB 14 Hazardous Waste Source Reduction & Management
Blog·Jun 17, 2023
Safety Training at Renewable Fuel Facility
Blog·Jun 15, 2023
Volunteer Outreach – Maisha Holistic Africa Foundation
News·Jun 13, 2023
Q2 Quarterly Celebrations
Blog·Jun 8, 2023
Seismic Retrofitting – Environmental Health & Safety (EHS) Requirements
News·Jun 5, 2023
BISNOW Environmental Social Governance ( ESG ) & Sustainability Conference 2023
News·May 10, 2023
Hiring – Staff Level Engineer
News·May 10, 2023
New Associate Practice Leader – Kristina Krissakova
News·Apr 24, 2023
Earth Day 2023
Blog·Apr 6, 2023
Earth Month – Citadel Green Promise
News·Apr 6, 2023
Mergers and Acquisitions Award – Environmental Business Journal
Blog·Apr 3, 2023
Toxic Mold and Microbial Growth, The Asbestos of Our Time?
News·Apr 3, 2023
Q1 2023 Celebrating Citadel Values
News·Mar 8, 2023
Citadel Cares Q1 Volunteer Events
News·Mar 8, 2023
Real Estate Investment for Brownfields and Redevelopment Conference
News·Mar 8, 2023
ICON West Industrial Real Estate Conference
Blog·Feb 14, 2023
Hiring – Senior Geologist or Environmental Specialist
Blog·Feb 14, 2023
Hiring – Project Engineer
Blog·Feb 14, 2023
Hiring – Project Scientist or Geologist
News·Feb 1, 2023
NAIOP University ESG Event
News·Feb 1, 2023
Environmental Compliance – Staff Promotion
News·Jan 27, 2023
Environmental Compliance Becomes Stand Alone Practice
Blog·Jan 27, 2023
Flooding in California Leaves Businesses Panicking About Moisture Intrusion
News·Jan 20, 2023
Reflecting Citadel Values, Employee Owner of the Month
News·Jan 20, 2023
Engineering and Environmental Sciences New Addition – Kyle Johnston
News·Jan 11, 2023
RMD Environmental Solutions has joined Citadel EHS!
News·Jan 9, 2023
PRESS RELEASE – CALIFORNIA EXPANSION: Citadel EHS Acquires RMD Environmental Solutions
Blog·Jan 4, 2023
Happy New Year
Blog·Dec 27, 2022
Citadel CEO – “Not all consultants are created equal!”
Blog·Dec 27, 2022
Citadel Cares for Disadvantaged Youth
Blog·Dec 27, 2022
GRESB ESG Reporting
Blog·Dec 27, 2022
Moisture Intrusion During the Rainy Season
Blog·Dec 27, 2022
Brownfield Redevelopment: A Holistic Approach
Blog·Dec 23, 2022
Adaptive Reuse Development
News·Dec 23, 2022
Happy Holidays
News·Dec 23, 2022
Joint Technical Symposium (JTS) Conference
News·Dec 20, 2022
Employee Owner of the Month – Jessica Aburto
News·Dec 20, 2022
Employee Owner of the Month – Tim Lambert
News·Nov 26, 2022
Engineering and Environmental Sciences New Addition – Mathew Coryell
Blog·Nov 26, 2022
THANK YOU
News·Nov 3, 2022
Industrial Hygiene New Addition – Alanna Leavy
News·Nov 3, 2022
Engineering and Environmental Sciences New Addition – Magali Toc
News·Nov 2, 2022
Celebrating Staff Achievements – New CHST Certification
Blog·Oct 31, 2022
ESOP Month Celebrations at Citadel
News·Oct 27, 2022
San Diego Green Building Conference & Expo 2022
Blog·Oct 26, 2022
LEED Week
News·Oct 19, 2022
SCI-Arc Gala 2022
News·Oct 18, 2022
Employee Owner of the Month- Jorge Romero
News·Oct 17, 2022
DTLA Roses & Lemon Awards Breakfast
Blog·Oct 4, 2022
ESOP Month- Citadel EHS celebrates ESOPtober
News·Sep 30, 2022
Best Places to Work Ranking 2022
News·Sep 30, 2022
Now Hiring – Industrial Hygiene Senior Consulting Specialist
News·Sep 29, 2022
Now Hiring – Industrial Hygiene Consulting Specialist
News·Sep 23, 2022
Citadel Cares Q3 Volunteer Event
News·Sep 13, 2022
Women’s Leadership Conference
News·Sep 6, 2022
Now Hiring- Field Technician
News·Aug 31, 2022
Citadel Cares 2022 Summer Family Fun Fest
News·Aug 26, 2022
Best Places to Work SoCal 2022
News·Aug 25, 2022
Hiring- Senior Project Engineer (Civil)
News·Aug 24, 2022
Hiring- Project Level Engineer, Geologist, or Environmental Specialist
Blog·Jul 29, 2022
A Values Based Employee Owned Company
Blog·Jul 29, 2022
Blog: Oil Well Abandonment – Considerations for Redevelopment
Blog·Jul 27, 2022
Blog: Better Indoor Air Quality Leads to Higher Employee Productivity
Blog·Jul 26, 2022
Blog: ESG and the New SEC Guidelines
Blog·Jul 25, 2022
Blog: Asbestos, New Buildings, and ERM Surveys
News·Jul 20, 2022
CSHEMA Conference 2022 (Campus Safety, Health, and Environmental Management Association)
News·Jul 19, 2022
Newsletter: Citadel Happenings, Q2 of 2022
News·Jul 18, 2022
Volunteer Event: Citadel Cares Beach Clean Up
News·Jul 18, 2022
Hiring- Staff Level Engineer, Geologist, Environmental Specialist
News·Jul 15, 2022
HIRING – Industrial Hygiene Consulting Specialist
News·Jun 15, 2022
Hiring- Project Level Engineer, Geologist, or Environmental Specialist
News·Jun 15, 2022
Hiring- Staff Engineer, Geologist or Environmental Specialist
News·Jun 15, 2022
Hiring- Senior Project Engineer (Civil)
News·Jun 14, 2022
Volunteer Event: Citadel Cares Beach Cleanup
News·Jun 14, 2022
California Land Recycling Conference 2022
News·Jun 8, 2022
Building Sciences New Addition – Alan Fregoso
Blog·Jun 2, 2022
SEC New Standards Highlight Merits of ESG Programs
News·Jun 1, 2022
NOW HIRING: Entry Level Project Assistant
Blog·May 31, 2022
Military Appreciation Month
News·May 27, 2022
Free ESG Webinar Hosted by Citadel EHS
News·May 25, 2022
Building Sciences New Addition: Lauren Feathers
News·May 25, 2022
AB 2370 Lead Testing for Child Care Centers
News·May 18, 2022
Phase I ESA – ASTM Update and EPA Approval
Blog·May 17, 2022
Global Health and Fitness Month with Citadel
News·May 6, 2022
Recognition Luncheon of 2022 Celebration Recap
News·May 4, 2022
Engineering and Environmental Sciences New Addition!
News·Apr 28, 2022
Empowerment Through Recognition, Q2 Company Lunch
News·Apr 26, 2022
LAUSD Ranks Citadel #1 overall in Contract Selection
News·Apr 26, 2022
UCLA Alumni Association Recognizes CEO Loren Witkin
News·Apr 22, 2022
Earth Day 2022 – Do the Best You Can Every Day
News·Apr 19, 2022
Industrial Hygiene New Addition: Citadel Welcomes Rodulfo Castro
News·Apr 15, 2022
San Diego International Airport, Citadel EHS Lands Engineering Contract!
Blog·Apr 13, 2022
ESOP and Business Values – A Citadel EHS Story
Blog·Apr 7, 2022
Indoor Air Quality is the EPA’s New Challenge
Blog·Apr 6, 2022
Dodger Stadium, Citadel EHS Supporting Our Home Team!
News·Apr 5, 2022
San Diego Office Expanding, as is Citadel EHS’ Presence
News·Apr 5, 2022
PRESS RELEASE: Citadel EHS Grows San Diego Office
News·Apr 1, 2022
Citadel EHS Speaks on Global Asbestos Awareness Week
News·Mar 31, 2022
BuildLACCD Event: Citadel EHS Display and Thank Yous
News·Mar 30, 2022
CalCUPA Conference Almost Over!
News·Mar 29, 2022
Business Achievement Award- EBJ Recognizes Citadel EHS
News·Mar 28, 2022
BuildLACCD Event: Citadel EHS Table Display
News·Mar 25, 2022
Industrial Hygiene Happy Hour Sponsored by Citadel EHS!
News·Mar 24, 2022
Volunteer Poppy Planting With Citadel Cares!
News·Mar 21, 2022
CitadelEHS has a digital booth for the 24th Annual CalCUPA Conference
Blog·Mar 18, 2022
Citadel Celebrates Our Employees, Happy Anniversary!
News·Mar 17, 2022
Citadel EHS Mobile COVID-19 Testing Services
News·Mar 10, 2022
Citadel EHS Receives EBJ’s “Business Achievement Award”
News·Mar 8, 2022
Happy International Women’s Day!
Blog·Feb 8, 2022
Keep Your Workplace Open with On-Site COVID-19 Testing & Contact Tracing
News·Dec 23, 2021
December reflections and stakeholder engagement
News·Dec 3, 2021
CITADEL EHS IS A PROUD SILVER SPONSOR!
News·Oct 11, 2021
What is ESG?
News·Aug 25, 2021
USGBC Los Angeles webinar
News·Jul 16, 2021
Citadel EHS is proud to be a part of an important partnership with SafeTraces!
News·Jun 16, 2021
CITADEL WELCOMES RAVI BAJAJ!
News·Mar 30, 2021
Join us for a FREE 45-minute webinar on COVID-19 Wastewater Testing
Blog·Nov 23, 2020
CITADEL CARES SEAL BEACH CLEAN UP!
News·Oct 14, 2020
CITADEL WELCOMES ASTRID GALINDO!
News·Oct 5, 2020
CITADEL WELCOMES NICOLE NAGGAR!
News·Oct 5, 2020
CITADEL IS NAMED ONE OF THE BEST PLACES TO WORK IN LOS ANGELES -AGAIN!
Blog·Jun 8, 2020
Clean and Clear: Which Cleaning and Testing Methods Should You Be Using
News·Jun 2, 2020
CITADEL WELCOMES VICTORIA CODELLA
News·May 27, 2020
JOIN US! HEART OF THE CITY VIRTUAL EDITION
News·May 7, 2020
HOW DO YOU KNOW IF YOUR COVID-19 CLEANING IS EFFECTIVE?
Blog·Apr 13, 2020
COVID-19: Prepare your organization now for a return to the workplace
News·Mar 20, 2020
IMPORTANT – Citadel is an Essential Business and Critical Infrastructure Sector
News·Mar 16, 2020
Citadel EHS, COVID-19 Response
News·Feb 10, 2020
CITADEL WELCOMES MURIEL NACAR
News·Jan 28, 2020
JOIN US! HEART OF THE CITY 5K RUN/WALK!
News·Jan 28, 2020
BRIAN WELTMAN JOINS CITADEL
News·Dec 13, 2019
CITADEL CARES!
News·Dec 2, 2019
Citadel EHS is a proud Silver sponsor!
News·Aug 5, 2019
CITADEL INTRODUCES A NEW SENIOR EXECUTIVE-JEFF MISTARZ
News·Jul 31, 2019
FIRST ANNUAL VERNON ENVIRONMENTAL CONFERENCE
News·Jul 25, 2019
CITADEL INTRODUCES A NEW SENIOR EXECUTIVE
News·Jun 13, 2019
MATT LOETHEN JOINS CITADEL
News·May 22, 2019
RAFAEL MACEDO JOINS CITADEL
News·May 9, 2019
CITADEL EHS CELEBRATES 2ND QUARTER ANNIVERSARIES
News·May 8, 2019
CITADEL EHS ATTENDS THE VALLEY COASTAL VDC!
News·May 6, 2019
WE CELEBRATE 25 YEARS AND OUR NEW NAME!
News·May 2, 2019
RON COLLINGWOOD JOINS CITADEL!
News·May 1, 2019
CITADEL ENVIRONMENTAL IS NOW CITADEL EHS!
News·Apr 23, 2019
WESTERN CONFERENCE & DEAL MAKING
News·Apr 23, 2019
HOLIDAY TOY DONATIONS
News·Apr 23, 2019
LAMONT LEIVA JOINS CITADEL
News·Apr 23, 2019
MARK THRIFT JOINS CITADEL
News·Apr 23, 2019
CELEBRATING A MILESTONE!!!
News·Apr 23, 2019
WELCOME NEW BOARD MEMBER, GLENN FISHLER
News·Apr 23, 2019
CITADEL EHS ATTENDS THE AEHS CONFERENCE
News·Apr 23, 2019
CITADEL EHS: HEART OF THE CITY RUN/WALK SPONSOR AND RACERS
News·Apr 23, 2019