ERRG Congratulates Heather Wollenburg

Heather Wollenburg, ERRG’s Corporate Health and Safety Manager, completed all the Board of Global EHS Credentialing (BGC) requirements to qualify for professional certification in the Comprehensive Practice of Industrial Hygienist. The Certified Industrial Hygienist (CIH) certification is one of the most challenging to obtain and the credential is the hallmark of professional achievement in industrial hygiene. Heather brings to ERRG invaluable knowledge and experience in the safety, health, and environmental discipline. Congratulations Heather!