slug,question,short_answer,category,last_updated,canonical_url
what-is-a-good-trir,What is a good TRIR?,"A TRIR below 3.0 is considered acceptable, below 1.0 is world-class. The US private-industry average is 2.7 (BLS 2024). Construction 2.5, manufacturing 3.2, oil & gas 0.8, healthcare 4.5. Always compare against YOUR industry, not the general average.",incident-rates,2026-04-23,https://www.smartqhse.com/answers/what-is-a-good-trir
how-to-calculate-trir,How do I calculate TRIR?,"TRIR = (Total Recordable Incidents × 200,000) ÷ Total Hours Worked. The 200,000 base represents 100 FTE workers at 40 hours/week × 50 weeks. Example: 3 recordables over 500,000 hours = 1.2. Required for OSHA 300A annual submission.",incident-rates,2026-04-23,https://www.smartqhse.com/answers/how-to-calculate-trir
trir-vs-ltifr,What's the difference between TRIR and LTIFR?,"TRIR uses OSHA's 200,000-hour base and counts all recordable incidents (US standard). LTIFR uses a 1,000,000-hour base and counts only lost-time injuries (ISO/ILO international standard). LTIFR numbers are roughly 5× the equivalent TRIR for the same performance.",incident-rates,2026-04-23,https://www.smartqhse.com/answers/trir-vs-ltifr
what-is-dart-rate,What is the DART rate?,"DART rate = (Days Away, Restricted, or Transferred cases × 200,000) ÷ Hours Worked. A subset of TRIR focused on severity. US all-industry average is 1.6 per 100 FTE (BLS 2024). Used in OSHA VPP evaluation.",incident-rates,2026-04-23,https://www.smartqhse.com/answers/what-is-dart-rate
what-is-emr,What is EMR (Experience Modification Rate)?,EMR is a multiplier applied to workers compensation premiums based on your claims history vs industry expected. 1.0 is industry baseline. Below 1.0 saves money; above 1.0 costs more. Below 0.75 is excellent and often required for Tier-1 client prequalification.,incident-rates,2026-04-23,https://www.smartqhse.com/answers/what-is-emr
what-is-iso-45001,What is ISO 45001?,"ISO 45001:2018 is the international standard for occupational health and safety management systems. It replaces OHSAS 18001 (withdrawn 2021). 10 clauses following the High-Level Structure, based on the Plan-Do-Check-Act cycle. 400,000+ certified organisations worldwide.",iso-45001,2026-04-23,https://www.smartqhse.com/answers/what-is-iso-45001
iso-45001-vs-osha,ISO 45001 vs OSHA — what's the difference?,ISO 45001 is a voluntary international management system standard. OSHA is the US federal regulator that enforces minimum workplace safety requirements by law. They're complementary: ISO 45001 certification indicates a mature OHS management system; OSHA compliance is legally mandatory for US employers regardless.,iso-45001,2026-04-23,https://www.smartqhse.com/answers/iso-45001-vs-osha
what-is-permit-to-work,What is a Permit to Work (PTW)?,"A Permit to Work is a formal written authorisation for specific, hazardous work at a specific location, for a specific time period. It documents hazard identification, required controls, and signatures from authorised personnel. Mandatory for hot work, confined space entry, working at height, and electrical isolation in most regulated industries.",permits,2026-04-23,https://www.smartqhse.com/answers/what-is-permit-to-work
what-is-risk-assessment,What is a risk assessment in HSE?,"An HSE risk assessment is a systematic process to identify hazards, evaluate the likelihood and severity of harm, and decide on controls using the hierarchy of controls. Required by ISO 45001 Clause 6.1.2, UK Management of H&S at Work Regulations, OSHA general duty clause, and most national OSH legislation.",risk-assessment,2026-04-23,https://www.smartqhse.com/answers/what-is-risk-assessment
gcc-midday-work-ban,What are the GCC midday work ban hours?,"GCC countries prohibit outdoor work during peak summer heat, typically June 15 to September 15. UAE: 12:30-15:00 (2.5 hours banned). Saudi Arabia: 12:00-15:00 (3 hours). Qatar: 11:30-15:00 (3.5 hours, June 1-Sep 15). Oman: 12:30-15:30 (4 hours). Bahrain: similar to UAE window.",gcc,2026-04-23,https://www.smartqhse.com/answers/gcc-midday-work-ban
what-is-wbgt,What is WBGT and how is it calculated?,"Wet Bulb Globe Temperature is the gold-standard heat stress metric combining natural wet-bulb (humidity), globe temperature (radiant heat), and dry-bulb (air temperature). Outdoor: WBGT = 0.7·Tw + 0.2·Tg + 0.1·Td. Indoor: WBGT = 0.7·Tw + 0.3·Tg. ACGIH publishes work/rest cycles by WBGT.",heat-stress,2026-04-23,https://www.smartqhse.com/answers/what-is-wbgt
osha-300-log,What is the OSHA 300 log?,The OSHA 300 log is a mandatory record of work-related injuries and illnesses that US employers with more than 10 employees must maintain. Updated within 7 days of each recordable case. Summarised on OSHA 300A annual form and electronically submitted for certain high-hazard industries.,osha,2026-04-23,https://www.smartqhse.com/answers/osha-300-log
osha-noise-exposure-limit,What is the OSHA noise exposure limit?,"OSHA's Permissible Exposure Limit (PEL) for noise is 90 dB(A) as an 8-hour time-weighted average. Action level is 85 dB(A) — above this, hearing conservation programs are mandatory. OSHA uses a 5 dB exchange rate; ACGIH and EU use the more conservative 3 dB.",exposure,2026-04-23,https://www.smartqhse.com/answers/osha-noise-exposure-limit
nebosh-vs-iosh,NEBOSH vs IOSH — which should I take?,"IOSH Managing Safely is a 3-day line-manager awareness course — ideal if you need HSE literacy for your role. NEBOSH International General Certificate is a 10-day technical qualification — required if you want a career as a safety professional. IOSH = aware, NEBOSH = competent, NEBOSH Diploma = chartered-level expert.",training,2026-04-23,https://www.smartqhse.com/answers/nebosh-vs-iosh
what-is-osha-psm-1910-119,What is OSHA PSM 1910.119?,"OSHA Process Safety Management (29 CFR 1910.119) is the US federal standard for preventing catastrophic releases of highly hazardous chemicals. It applies to processes with listed substances above threshold quantities — typically refineries, gas processing, chemical plants, and explosives manufacturing. PSM has 14 elements: PHA, MOC, mechanical integrity, training, contractors, hot work, incident investigation, emergency planning, audits, and trade secrets.",osha,2026-05-03,https://www.smartqhse.com/answers/what-is-osha-psm-1910-119
what-are-osha-focus-four-hazards,What are the OSHA Focus Four hazards in construction?,"OSHA's Focus Four are the four leading causes of construction fatalities in the US: falls (35% of construction deaths), struck-by (11%), caught-in/between (6%), and electrocution (7%). Together they cause roughly 60% of all construction fatalities. Every contractor's safety program is expected to address them explicitly.",osha,2026-05-03,https://www.smartqhse.com/answers/what-are-osha-focus-four-hazards
what-is-api-rp-754,What is API RP 754?,"API Recommended Practice 754 is the US oil & gas + refining standard for process safety event classification. Four tiers: Tier 1 (worst — serious LOPC with major consequence), Tier 2 (lesser LOPC), Tier 3 (challenges to safety systems), Tier 4 (operating discipline). Tier 1 and Tier 2 are publicly benchmarked through AFPM.",osha,2026-05-03,https://www.smartqhse.com/answers/what-is-api-rp-754
what-is-a-jsa,What is a JSA (Job Safety Analysis)?,"A JSA — Job Safety Analysis (also called JHA, Job Hazard Analysis) — breaks a task into steps, identifies hazards in each step, and lists controls to eliminate or reduce the risk. It's the standard pre-task safety document on US construction, oil & gas, and manufacturing sites. Modern HSE platforms generate JSAs from a free-text task description in 2-3 minutes using AI.",risk-assessment,2026-05-03,https://www.smartqhse.com/answers/what-is-a-jsa
california-sb-553-workplace-violence,What does California SB 553 require?,"California SB 553 (effective 1 July 2024) requires every California employer (with narrow exceptions) to maintain a written Workplace Violence Prevention Plan, log every workplace-violence incident, train employees annually, and retain records for 5 years. CalOSHA inspectors specifically pull the WVP log during inspections.",osha,2026-05-03,https://www.smartqhse.com/answers/california-sb-553-workplace-violence
who-must-submit-osha-300a,Who must submit OSHA Form 300A electronically?,"Under 29 CFR 1904.41 (1 Jan 2024 final rule), three groups must submit Form 300A electronically every 2 March: (1) all establishments with 250+ employees in any covered industry; (2) establishments with 20-249 employees in 27 designated industries (Appendix A); (3) the new 2024 expansion: establishments with 100+ employees in the most hazardous industries (Appendix B) — those also submit Forms 300 AND 301.",osha,2026-05-03,https://www.smartqhse.com/answers/who-must-submit-osha-300a
what-is-osha-loto-1910-147,What is OSHA 1910.147 LOTO?,"OSHA 29 CFR 1910.147 (Lockout/Tagout) requires US employers to control hazardous energy during servicing and maintenance of machines and equipment. Energy isolation procedures, authorised employee training, annual periodic verification, and tags/locks. LOTO is consistently in the OSHA Top 10 cited standards every year.",osha,2026-05-03,https://www.smartqhse.com/answers/what-is-osha-loto-1910-147
what-is-api-580-rbi,What is API 580 risk-based inspection?,"API 580 is the recommended-practice methodology for Risk-Based Inspection. Direct inspection effort using: Risk = Probability of Failure × Consequence of Failure. API 581 provides the quantitative calculation. Output is an inspection plan tuned to each asset's actual risk, instead of fixed-time intervals. Standard practice in US refining, chemicals, and offshore oil & gas.",osha,2026-05-03,https://www.smartqhse.com/answers/what-is-api-580-rbi
what-is-loss-of-primary-containment,What is Loss of Primary Containment (LOPC)?,"Loss of Primary Containment is the unplanned release of process material — gas, liquid, or solid — from primary containment (vessel, piping, tank) to atmosphere or secondary containment. LOPC is the initiating event for almost every major US refining accident: BP Texas City, Philadelphia Energy Solutions, BP Husky Toledo. API RP 754 classifies LOPCs into Tier 1-4 by severity.",osha,2026-05-03,https://www.smartqhse.com/answers/what-is-loss-of-primary-containment
what-does-calosha-3395-heat-illness-require,What does CalOSHA §3395 (heat illness prevention) require?,"CalOSHA Title 8 §3395 (in force since 2005, indoor §3396 added July 2024) requires every California employer with outdoor or indoor work above 80°F to provide drinking water, shade, cool-down rest periods, acclimatization for new employees, high-heat procedures, and a written heat illness prevention plan. CalOSHA inspectors actively cite missing plans during summer 2025-2026.",heat-stress,2026-05-03,https://www.smartqhse.com/answers/what-does-calosha-3395-heat-illness-require