
Dr. William Foster
PhD Safety Science, CSP, CHMM
Certified Safety Professional & OSHA Compliance Expert
Indiana University of Pennsylvania Safety Sciences — www.iup.edu
About Dr.
Dr. William Foster holds a PhD in Safety Science from Indiana University of Pennsylvania and is a Certified Safety Professional (CSP) and Certified Hazardous Materials Manager. With 20 years of occupational health and safety management experience across construction, manufacturing, and chemical industries, he coaches safety professionals through OSHA certification, CSP, CHST, and safety management licensing programs.
Reviewed content in: A2L - A2L Low GWP Flammable Refrigerant Safety Certification, CHSP - Certified Healthcare Safety Professional, FLSD - Fire Life Safety Director, CHST - Construction Health and Safety Technician, CPSI - Certified Playground Safety Inspector, CRST - Canadian Registered Safety Technician, HSE - Certified Health Safety Environment, MRSO - Magnetic Resonance Safety Officer, CA-FSC - California Firearms Safety Certificate, CPST - Certified Child Passenger Safety Technician, DPSST - Department of Public Safety Standards and Training Certified, IHSA - Infrastructure Health & Safety Association Certified Coach, ASC - Avalanche Safety Certification, ASP - Associate Safety Professional, CESCO - Certified Environmental, Safety and Compliance Officer, CFSP - Certified Fleet Safety Professional, CMSP - Certified Mine Safety Professional, CSS - Certified Safety Supervisor, CET - Certified Environmental, Safety & Health Trainer, CHMS - Certified Hazard Mitigation Specialist, CSO - Common Safety Orientation, CTSP - Certified Treecare Safety Professional, DPSST - Department of Public Safety Standards and Training Unarmed Certification, ESC - Electrical Safety Certification, F89 - Fire and Life Safety Director, FST - Fire Safety Technician Certification, FMCSA - Federal Motor Carrier Safety Administration, GSI - Gun Safety Instructor, HPT - Hazard Perception Test, HSC - Hunter Safety Certification, IAHSS - International Association for Healthcare Security and Safety, ICFSM - International Certified Food Safety Manager, ISC - Industrial Safety Certification, MSF Instructor - Certified Motorcycle Safety Instructor, NASCO - National Aquatic Safety Company Aquatic Facility Operator Certification, NFPA - National Fire Protection Association, CEAC - Certified Environmental Access Consultant, OSHA - OSHA Certified Crane Operator, RSO - Certified Range Safety Officer, NSC - National Safety Council Forklift Certification
Articles reviewed by Dr. (100 total)
A2L - A2L Low GWP Flammable Refrigerant Safety Certification
CHSP - Certified Healthcare Safety Professional
FLSD - Fire Life Safety Director
CHST - Construction Health and Safety Technician
- CHST Exam 2026: Complete Study Guide for the Construction Health and Safety Technician Certification
- CHST Meaning: Construction Health and Safety Technician Credential, Exam Format, and Career Guide
- CHST Certification Cost in 2026: Fees, Renewal, and How to Save
- CHST Study Guide 2026: How to Prepare for the Construction Health and Safety Technician Exam