Resources
Industrial Hygiene Reference Library
Practical guides, regulatory references, checklists, and templates to help EHS professionals stay compliant, prepared, and informed. All resources are free to access and download.
Featured Resources
OSHA Respirable Crystalline Silica Standard
Full text and compliance requirements for OSHA 29 CFR 1910.1053 (general industry) and 1926.1153 (construction). Covers PELs, action levels, exposure assessment, engineering controls, and written program requirements.
NIOSH Pocket Guide to Chemical Hazards
The essential field reference for industrial hygienists. Covers chemical properties, exposure limits (RELs), health effects, and PPE recommendations for hundreds of workplace chemicals. Available as a searchable online database.
Hearing Conservation Program Checklist
A practical checklist for evaluating your facility's hearing conservation program against OSHA 1910.95 requirements — covering noise monitoring, audiometric testing, HPD selection, training, and recordkeeping.
NIOSH: Hierarchy of Controls
NIOSH's foundational guidance on applying the hierarchy of controls — elimination, substitution, engineering controls, administrative controls, and PPE — to occupational health and safety hazard management.
OSHA Model Written HazCom Program
OSHA's model written Hazard Communication Program — a customizable template that satisfies the written program requirement under 29 CFR 1910.1200. Adapt it to your facility's specific chemicals and processes.
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OSHA regulations and IH guides tell you what's required — but applying them to your specific processes, equipment, and workforce takes expertise. Our consultants translate regulatory language into defensible, facility-specific programs.
Exposure Assessment
Not sure if your air sampling strategy meets OSHA's new silica or noise requirements? We design and execute sampling programs that hold up under inspection.
Compliance Audit
We audit your written programs, training records, and engineering controls against current OSHA standards — and deliver a prioritized gap report with corrective actions.
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All Resources
OSHA Respirable Crystalline Silica Standard
Full text and compliance requirements for OSHA 29 CFR 1910.1053 (general industry) and 1926.1153 (construction). Covers PELs, action levels, exposure assessment, engineering controls, and written program requirements.
OSHA Occupational Noise Exposure Standard
OSHA 29 CFR 1910.95 — the primary standard governing permissible noise exposure levels, hearing conservation programs, audiometric testing, and recordkeeping requirements for general industry.
Hazard Communication Standard (HazCom / GHS)
OSHA 29 CFR 1910.1200 — requirements for chemical labeling, Safety Data Sheets (SDS), and employee training under the GHS-aligned HazCom standard. Essential for any facility handling hazardous chemicals.
Control of Hazardous Energy (LOTO) — 29 CFR 1910.147
OSHA's lockout/tagout standard covering energy control procedures, authorized employee training, periodic inspections, and machine-specific procedure requirements. Consistently one of OSHA's top 10 most cited standards.
Respiratory Protection Standard — 29 CFR 1910.134
Requirements for written respiratory protection programs, respirator selection, medical evaluations, fit testing, and training. Applies whenever respirators are required or voluntarily used in the workplace.
NIOSH Pocket Guide to Chemical Hazards
The essential field reference for industrial hygienists. Covers chemical properties, exposure limits (RELs), health effects, and PPE recommendations for hundreds of workplace chemicals. Available as a searchable online database.
ACGIH TLVs and BEIs — Overview
An introduction to the American Conference of Governmental Industrial Hygienists' Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) — the science-based exposure guidelines used alongside OSHA PELs in professional IH practice.
AIHA Industrial Hygiene Resources
The American Industrial Hygiene Association's public resource library, including guidance documents on exposure assessment, occupational health, and IH program development.
OSHA Combustible Dust Hazard Guidance
OSHA's guidance on combustible dust hazards, including dust hazard analysis (DHA) requirements under NFPA 652, housekeeping practices, ignition source control, and applicable standards (NFPA 654, 61, 484, 664).
Hearing Conservation Program Checklist
A practical checklist for evaluating your facility's hearing conservation program against OSHA 1910.95 requirements — covering noise monitoring, audiometric testing, HPD selection, training, and recordkeeping.
Silica Exposure Control Checklist
OSHA's silica exposure control checklist for construction and general industry — helps employers identify tasks with silica exposure potential and verify that required engineering controls, PPE, and written programs are in place.
Lockout/Tagout Program Audit Checklist
A structured audit checklist for verifying LOTO program compliance — covers written program elements, machine-specific procedure completeness, employee training records, and annual periodic inspection documentation.
PPE Hazard Assessment Checklist
A workplace PPE hazard assessment checklist aligned with OSHA 29 CFR 1910.132 — helps document the hazard assessment required before selecting and requiring personal protective equipment.
OSHA Technical Manual: Sampling for Surface Contamination
OSHA's technical guidance on industrial hygiene sampling strategies, including statistical approaches to exposure assessment, sample size determination, and interpretation of results relative to OELs.
NIOSH: Hierarchy of Controls
NIOSH's foundational guidance on applying the hierarchy of controls — elimination, substitution, engineering controls, administrative controls, and PPE — to occupational health and safety hazard management.
CDC Legionella Water Management Toolkit
The CDC's practical toolkit for developing and implementing a water management program (WMP) to reduce Legionella risk in building water systems, aligned with ASHRAE 188 and CMS requirements.
OSHA Model Written HazCom Program
OSHA's model written Hazard Communication Program — a customizable template that satisfies the written program requirement under 29 CFR 1910.1200. Adapt it to your facility's specific chemicals and processes.
OSHA Model Written Respiratory Protection Program
OSHA's model written respiratory protection program template for small businesses — covers program administrator, respirator selection, medical evaluation, fit testing, training, and maintenance procedures.
Incident Investigation Report Template
OSHA's incident investigation report template for documenting workplace injuries, illnesses, and near-misses — includes sections for event description, root cause analysis, corrective actions, and follow-up verification.
Disclaimer: External links open resources maintained by OSHA, NIOSH, CDC, ACGIH, and AIHA. The Levhardt Group does not control third-party content and cannot guarantee its accuracy or availability. Regulatory requirements change — always verify current standards with the issuing agency or a qualified industrial hygiene professional.
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Resources are a starting point — we provide the expertise.
Regulatory guidance documents tell you what's required. The Levhardt Group helps you understand what it means for your specific facility, processes, and workforce.