---
kind: "section"
citation: "40 C.F.R. § 439.35"
title: "40"
number: "439.35"
heading: "New source performance standards (NSPS)."
url: "https://uscodex.org/cfr/40/439.35"
---

# §439.35. New source performance standards (NSPS).

- (a) Any new source subject to this subpart must achieve the same standards as specified in [§ 439.15(a)](/cfr/40/439.15.md?p=a).
- (b) The limitations for cyanide are the same as specified in § [439.12(e)](/cfr/40/439.12.md?p=e), [(f)](/cfr/40/439.12.md?p=f) and [(g)](/cfr/40/439.12.md?p=g).
- (c) Any new source subject to the provisions of this section that commenced discharging after November 21, 1988, and prior to November 20, 1998, must continue to achieve the standards specified for this section in the 1988 edition of [40 CFR part 439](/cfr/40/part439.md), until the expiration of the applicable time period specified in [40 CFR 122.29(d)(1)](/cfr/40/122.29.md?p=d-1), after which the source must achieve the standards specified in [§ 439.33](/cfr/40/439.33.md) and [§ 439.34](/cfr/40/439.34.md).

## Notes

### Amendments

[68 FR 12273, Mar. 13, 2003]

### Authority

Authority: 33 U.S.C. 1311, 1314, 1316, 1317, 1318, 1342 and 1361.

### Source

Source: 48 FR 49821, Oct. 27, 1983, unless otherwise noted.

### Amendments

[68 FR 12273, Mar. 13, 2003]