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Disclaimer: The calculators and tools provided on this website are for informational and educational purposes only. They are not intended to be a substitute for professional advice, diagnosis, or treatment. Web Ocean Security assumes no liability for any errors or omissions in the content or for any damages resulting from the use of these tools. Always consult with a qualified professional for specific safety and health concerns.

EHS & Ergonomics Tools

Professional calculators designed for safety officers, industrial hygienists, and ergonomists.

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NIOSH Lifting Equation
Calculate Recommended Weight Limit (RWL) and Lifting Index (LI) for manual lifting tasks.
Noise Dose & TWA
Calculate Time Weighted Average (TWA) noise exposure and dose percentages.
Heat Stress (WBGT)
Determine work/rest schedules based on Wet Bulb Globe Temperature (WBGT).
Fire Extinguisher Spacing
Calculate required number and spacing of fire extinguishers based on area and hazard class.
Ventilation ACH
Calculate Air Changes per Hour (ACH) for room ventilation requirements.
Scaffold Load Capacity
Estimate safe working loads for scaffold platforms based on span and material.
Confined Space Log
Log and check gas monitor readings against safety limits (O2, LEL, H2S, CO).
Arc Flash Boundary
Estimate Arc Flash Protection Boundary based on voltage and clearing time.
Friction Coefficient (COF)
Reference tool for required Coefficient of Friction for various surfaces and gradients.
Evacuation Simulator
Estimate emergency evacuation times based on occupancy and exit width.
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