2024 42 USC 4363 – Continuing and long-term environmental research and development

2023 42 USC 4363 – Continuing and long-term environmental research and development

2022 42 USC 4363 – Continuing and long-term environmental research and development

2021 42 USC 4363 – Continuing and long-term environmental research and development

2020 42 USC 4363 – Continuing and long-term environmental research and development

2018 42 USC 4363 – Continuing and long-term environmental research and development

2017 42 USC 4363 – Continuing and long-term environmental research and development