CSE was established in 1998 and is led by Mark C. Mummert, PE, CIH, who has many years of safety & environmental experience.

Certified Safety & Environmental has over 15 years of experience providing environmental services through-out the central Pennsylvania area. Our list of services includes: Air Quality Testing Hazcom Plans, Labeling, Paperwork Indoor Air Management Occupational Noise Monitoring Environmental Permit Applications Spill and Emergency Response Plans Annual Reports and Record Keeping Method 9 and 22 Opacity/VE Reader Training Safety Programs & Committees