Environmental compliance.Made easy.
Tools to support clearer decisions about emissions, discharges, and environmental compliance.
Explore the tools
Resources for environmental professionals, EHS teams, and facility managers.
Air Emissions Tools
Estimate emission rates from stack data, emission factors, and mass balance, and check potential to emit against permitting thresholds.
Go to tools →Greenhouse Gas & Refrigerant Tools
Calculate Scope 1 and Scope 2 greenhouse gas emissions and track refrigerant leak rates against repair triggers.
Go to tools →Water & Spill Prevention Tools
Check SPCC applicability, size secondary containment, and estimate wastewater loading and stormwater runoff.
Go to tools →Waste & Chemical Reporting Tools
Determine hazardous waste generator status and check EPCRA Tier II and TRI reporting thresholds.
Go to tools →Noise Distance
Estimate how sound levels drop with distance from a source, using the OEMS distance attenuation calculator.
Open the tool →More tools will be added as they become available. Use results alongside professional judgment and the requirements that apply to your site.
Built by OEMS to support practical, science-based environmental decisions.