NewsFebruary 29, 2024

Fight for Clean Air Event!

Thank you to our staff and their families who came out to participate in the American Lung Association Fight for Air Climb! A special thanks to Jorge Romero who climbed and to Sherrie Chavez who helped coordinate and...

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May 29, 2026

Citadel EHS Acquires Aurora Industrial Hygiene

Citadel EHS has acquired Aurora Industrial Hygiene, a California firm founded in 1996 by Certified Industrial Hygienists Karen Shockley and Grace Rinck. The move deepens our industrial hygiene expertise and expands our presence across San Diego and Los Angeles.

May 8, 2026

Citadel EHS Expands Pacific Northwest Industrial Hygiene, Safety, and Environmental Engineering Services with Strategic Leadership Additions

Citadel EHS announced the addition of two senior professionals, Brett Phillips and Craig Peterson, as part of its continued expansion in the Pacific Northwest, strengthening the firm's industrial hygiene, safety consulting, and environmental engineering capabilities across Oregon and Washington.

April 6, 2026

Citadel EHS Recognized with EBJ Project Merit Award for Landmark Drinking Water Study

Citadel EHS has been recognized by Environmental Business Journal with a 2025 Business Achievement Award for Project Merit for its leadership in a large-scale residential drinking water testing initiative in Los Angeles. The project evaluated potential lead in drinking water across four major public housing communities in Watts and became the largest residential water testing program ever conducted in the City of Los Angeles.

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