---
kind: "section"
citation: "40 C.F.R. § 63.11526"
title: "40"
number: "63.11526"
heading: "What are the standards for new and existing ferroalloys production facilities?"
url: "https://uscodex.org/cfr/40/63.11526"
---

# §63.11526. What are the standards for new and existing ferroalloys production facilities?

- (a) You must not discharge to the atmosphere visible emissions (VE) from the control device that exceed 5 percent of accumulated occurrences in a 60-minute observation period.
- (b) You must not discharge to the atmosphere fugitive PM emissions from the furnace building containing the electrometallurgical operations that exhibit opacity greater than 20 percent (6-minute average), except for one 6-minute average per hour that does not exceed 60 percent.

## Notes

### Source

Source: 73 FR 78643, Dec. 23, 2008, unless otherwise noted.

### Authority

Authority: 42 U.S.C. 7401 et seq.

### Source

Source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.