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HSE Calculator

Accident / Incident rates

Lost-Time Injury Frequency Rate (LTIFR) 
Total Recordable Incident Rate (TRIR)
Days Away, Restricted or Transferred Rate (DART)
First-Aid Case Rate
Fatality Rate
Severity Rate
Near-Miss Frequency Rate
Occupational Illness Rate

Environmental Metrics

Recycling %
Water Intensity
CO₂ Intensity

Hearing Protection

NRR Method
SNR Method
HML Method
Octave Band Method
Noise Dose

Other HSE Calculators

Heat Stress Index
Emergency Shower / Eyewash Flow Time
Lifting Calculation
NIOSH Lifting Index
Illumination (Lux) Calculator
Air Change and Ventilation Rate
Chemical Exposure / TLV Comparison
Fall Distance / Clearance
Dispersion or Run‐off Volume
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