---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchC/part52/subpartDDD"
level: "subpart"
label: "Subpart DDD"
heading: "American Samoa"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchC-part52-subpartDDD"
sections_count: 7
---

# Subpart DDD — American Samoa

Title 40 C.F.R. — Protection of Environment › Chapter I — Environmental Protection Agency › Subchapter C — Air Programs › Part 52 — Approval and Promulgation of Implementation Plans

## Sections

- [§52.2820. Identification of plan.](/cfr/40/52.2820.md)
- [§52.2821. Classification of regions.](/cfr/40/52.2821.md)
- [§52.2822. Approval status.](/cfr/40/52.2822.md)
- [§52.2823. Original identification of plan.](/cfr/40/52.2823.md)
- [§52.2824. Review of new sources and modifications.](/cfr/40/52.2824.md)
- [§52.2825-52.2826. Reserved](/cfr/40/52.2825-52.2826.md)
- [§52.2827. Significant deterioration of air quality.](/cfr/40/52.2827.md)