---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchC/part60/subpartCd"
level: "subpart"
label: "Subpart Cd"
heading: "Emissions Guidelines and Compliance Times for Sulfuric Acid Production Units"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchC-part60-subpartCd"
sections_count: 3
---

# Subpart Cd — Emissions Guidelines and Compliance Times for Sulfuric Acid Production Units

Title 40 C.F.R. — Protection of Environment › Chapter I — Environmental Protection Agency › Subchapter C — Air Programs › Part 60 — Standards of Performance for New Stationary Sources

## Sections

- [§60.30d. Designated facilities.](/cfr/40/60.30d.md)
- [§60.31d. Emissions guidelines.](/cfr/40/60.31d.md)
- [§60.32d. Compliance times.](/cfr/40/60.32d.md)