📊 EPA QA/QC (Daily Zero/Span Calibration Drift <=2.5% Span, EPA Protocol 1 Gases)

CEMS Daily Calibration Drift & Gas Calculator

Track automated 24-hour zero and span calibration drift (CD) for continuous emissions analyzers under EPA 40 CFR 60 & 75: verify drift stays strictly below <=2.5% of full-scale span limit over 7 consecutive days, calculate EPA Protocol 1 span gas cylinder consumption (SCFH and cylinder replacement cycles), and CEMS service yields.

1. Project & Operating Inputs

Continuous Analyzers Maintained (Analyzer Count e.g. 6 Multi-Gas Shelters)

Daily Span Gas Drift (% Span e.g. 0.85% Drift Well Within 2.5% Limit)

Customer Annual CEMS Maintenance & Gas Supply Contract ($ / Yr)

EPA Protocol 1 Gas Cylinders, Dual-Stage Regulators, CEMS Tech ($ / Yr)

2. Financial Breakdown & Yield

DAILY CALIBRATION DRIFT

Annual CEMS Service & Span Gas Contract Profit

CEMS Maintenance Service Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Direct Cost