CFR > Title 40 > Chapter I > Subchapter C > Part 75 > Subpart E CFR > Title 40 > Chapter I > Subchapter C > Part 75 > Subpart E – Alternative Monitoring Systems Current as of: 2024 | Check for updates | Other versions § 75.40 General demonstration requirements § 75.41 Precision criteria § 75.42 Reliability criteria § 75.43 Accessibility criteria § 75.44 Timeliness criteria § 75.45 Daily quality assurance criteria § 75.46 Missing data substitution criteria § 75.47 Criteria for a class of affected units § 75.48 Petition for an alternative monitoring system