---
kind: "section"
citation: "30 C.F.R. § 250.857"
title: "30"
number: "250.857"
heading: "Glycol dehydration units."
url: "https://uscodex.org/cfr/30/250.857"
---

# §250.857. Glycol dehydration units.

- (a) You must install a pressure relief system or an adequate vent on the glycol regenerator (reboiler) to prevent over pressurization. The discharge of the relief valve must be vented in a nonhazardous manner.
- (b) You must install the FSV on the dry glycol inlet to the glycol contact tower as near as practical to the glycol contact tower.
- (c) You must install the shutdown valve (SDV) on the wet glycol outlet from the glycol contact tower as near as practical to the glycol contact tower.

## Notes

### Source

Source: 81 FR 61918, Sept. 7, 2016, unless otherwise noted.

### Authority

Authority: 30 U.S.C. 1751, 31 U.S.C. 9701, 33 U.S.C. 1321(j)(1)(C), 43 U.S.C. 1334.

### Source

Source: 76 FR 64462, Oct. 18, 2011, unless otherwise noted.