📊 EPA 40 CFR 60/75 (Relative Accuracy Test Audit RATA <=7.5% or <=10.0%, 9-Run Statistical Bias)

EPA CEMS Relative Accuracy Test Audit (RATA) Calculator

Perform statistical Relative Accuracy Test Audits (RATA) on industrial stack emissions monitoring systems under EPA 40 CFR Part 60 (App F) & Part 75: calculate mean differences, 95% Student-t confidence intervals, Relative Accuracy percentage (RA <= 7.5% for annual incentive or <= 10.0% standard), Bias Adjustment Factors (BAF), and stack testing margins.

1. Project & Operating Inputs

Monitored Stack Emission Units (Stack Count e.g. 4 Combined Cycle Turbines)

Average Reference Method NOx (PPM e.g. 2.45 PPM Low-NOx Turbine)

Customer Bid Price for Supplied 9-Run Certified RATA Audit ($ / Stack)

Mobile Testing Trailer, FTIR / Chemiluminescence Analyzers, QSTI Crews ($)

2. Financial Breakdown & Yield

EPA 40 CFR 75 RATA AUDIT

Turnkey Annual CEMS RATA Audit Profit

Environmental Stack Testing Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Direct Cost