2024 40 CFR 60.286a – Affirmative defense for violations of emission standards during malfunction

2023 40 CFR 60.286a – Affirmative defense for violations of emission standards during malfunction

2022 40 CFR 60.286a – Affirmative defense for violations of emission standards during malfunction

2021 40 CFR 60.286a – Affirmative defense for violations of emission standards during malfunction

2020 40 CFR 60.286a – Affirmative defense for violations of emission standards during malfunction

2019 40 CFR 60.286a – Affirmative defense for violations of emission standards during malfunction

2016 40 CFR 60.286a – Affirmative defense for violations of emission standards during malfunction

2015 40 CFR 60.286a – Affirmative defense for violations of emission standards during malfunction