Hazard Assessment
Evaluate substances, energy sources, equipment, procedures, scale, location, and possible failure modes.
Chemical, Radiation & General Laboratory Safety Policy
Control the hazard. Design safety into the work.
The JR Institute intends to manage chemical, radiological, electrical, mechanical, laser, pressure, cryogenic, and general laboratory hazards through qualified review, engineered controls, trained personnel, and emergency readiness.
Developing Framework
This page presents a planned public standard. Final chemical-hygiene plans, radiation procedures, inventories, inspection schedules, exposure controls, and responsible officers should be established before hazardous laboratory operations begin.
Policy Purpose
Safe laboratories depend on systems, not assumptions.
A routine procedure can become dangerous through incompatible chemicals, failed ventilation, stored energy, poor labeling, damaged equipment, inadequate training, or an unplanned reaction.
The Institute should identify hazards before work begins, reduce them through design, verify controls, and stop work when conditions no longer match the approved plan.
Core Principles
Eliminate, substitute, engineer, administer, and protect.
Engineering Controls
Use ventilation, shielding, guards, interlocks, containment, monitoring, and safer system design.
Qualified Personnel
Authorize work only after training, competency review, and appropriate supervision.
Material Accountability
Maintain accurate inventories, labels, storage compatibility, acquisition records, and disposal pathways.
Exposure Prevention
Control inhalation, ingestion, skin contact, injection, radiation, thermal, electrical, and mechanical exposure routes.
Emergency Readiness
Prepare for spills, fires, releases, injuries, exposures, power loss, equipment failure, and evacuation.
Scope
This policy is intended to apply to hazardous chemicals, compressed gases, cryogens, flammables, corrosives, reactive materials, toxic substances, ionizing and non-ionizing radiation, lasers, high voltage, pressure systems, machinery, heat, cold, vacuum, and related laboratory hazards.
Pre-Work Hazard Review
Hazardous procedures should be reviewed before work begins, particularly when they involve unfamiliar materials, scale-up, high energy, pressure, radiation, unusual temperatures, unattended operation, or limited emergency response options.
- Identify hazards and exposure routes
- Review compatibility and reaction pathways
- Define engineering controls and protective equipment
- Establish operating limits and stop-work conditions
- Plan emergency response, cleanup, and waste disposal
Chemical Safety
Chemical work should use current hazard information, clear labeling, compatible storage, controlled quantities, documented procedures, and appropriate ventilation.
Particularly hazardous substances may require designated areas, restricted access, special training, medical surveillance, exposure monitoring, or written authorization.
Odor, appearance, or familiarity should never be treated as proof that a chemical is safe.
Radiation, Lasers, and Other Energy Sources
Work involving ionizing radiation, radiation-producing equipment, high-powered lasers, ultraviolet sources, radiofrequency systems, magnetic fields, or similar hazards should receive specialized review and control.
Controls may include authorization, shielding, interlocks, dosimetry, signage, restricted zones, beam enclosures, surveys, exposure monitoring, and equipment registration.
Equipment, Mechanical Hazards, and Stored Energy
Laboratory equipment should be suitable for the task, installed correctly, maintained, guarded, inspected, and operated within rated limits.
Lockout, shutdown, isolation, and verification procedures should be used when servicing systems containing electrical, mechanical, pressure, thermal, pneumatic, hydraulic, or other stored energy.
Ventilation and Engineering Controls
Fume hoods, local exhaust, gloveboxes, shielding, barriers, interlocks, and monitoring systems should be selected based on the hazard and tested on a defined schedule.
Work should stop when a required engineering control is unavailable, damaged, out of certification, or performing outside acceptable limits.
Personal Protective Equipment
Protective equipment should be selected after hazard assessment and should fit the user, task, duration, and exposure route.
- Laboratory coats and protective clothing
- Chemical-resistant gloves selected by compatibility
- Eye and face protection
- Hearing, respiratory, thermal, or cut protection where needed
- Closed footwear and task-specific protective garments
Inventory, Labeling, and Storage
Laboratories should maintain current inventories, readable labels, receipt dates where relevant, ownership, location, hazard classification, and disposal status.
Incompatible materials should be segregated, compressed gases secured, flammables stored appropriately, peroxide-forming or unstable chemicals tracked, and abandoned containers addressed promptly.
Hazardous Waste and Decontamination
Waste should be identified at the point of generation, segregated by compatibility, labeled, contained, stored, and transferred through approved channels.
Laboratory sinks, ordinary trash, evaporation, dilution, or informal disposal should not be used as substitutes for authorized waste management.
Spills, Exposures, Injuries, and Emergency Response
Spills, fires, releases, exposures, equipment failures, uncontrolled reactions, electrical events, radiation incidents, and injuries should be reported promptly.
Response should include immediate life safety, isolation, evacuation when needed, medical evaluation, containment, evidence preservation, cleanup, notification, and corrective action.
Framework date: July 2026
Laboratory Safety Lifecycle
Assess, control, verify, monitor, and correct.
- Assess the work. Identify materials, energy, equipment, scale, exposure routes, and failure modes.
- Design the controls. Use substitution, engineering, procedures, supervision, and protective equipment.
- Verify readiness. Confirm training, equipment condition, ventilation, inventories, and emergency supplies.
- Monitor operation. Inspect workspaces, track exposures, review incidents, and maintain systems.
- Correct before resuming. Stop unsafe work, investigate causes, repair controls, and document approval to restart.
Laboratory Safety Questions
Report unsafe chemicals, equipment, radiation, ventilation, or work practices.
Inquiries may concern a proposed procedure, chemical inventory, radiation source, equipment condition, protective controls, waste, exposure, or suspected noncompliance.
Submit a Laboratory Safety Inquiry
Identify the material, equipment, location, date, concern, immediate risk, and available supporting information.
Contact the Institute