2024 36 CFR 228.9 – Maintenance during operations, public safety

2023 36 CFR 228.9 – Maintenance during operations, public safety

2022 36 CFR 228.9 – Maintenance during operations, public safety

2021 36 CFR 228.9 – Maintenance during operations, public safety

2020 36 CFR 228.9 – Maintenance during operations, public safety

2019 36 CFR 228.9 – Maintenance during operations, public safety

2016 36 CFR 228.9 – Maintenance during operations, public safety

2015 36 CFR 228.9 – Maintenance during operations, public safety

2014 36 CFR 228.9 – Maintenance during operations, public safety