---
kind: "section"
citation: "30 C.F.R. § 7.102"
title: "30"
number: "7.102"
heading: "Exhaust gas cooling efficiency test."
url: "https://uscodex.org/cfr/30/7.102"
---

# §7.102. Exhaust gas cooling efficiency test.

- (a) **Test procedures.**
  - (1) Follow the procedures specified in [§ 7.101(a)](/cfr/30/7.101.md?p=a).
  - (2) Install a temperature measuring device to measure the exhaust gas temperature at discharge from the exhaust conditioner. The temperature measuring device shall be accurate to ±4 °F (±2 °C).
  - (3) Determine the exhaust gas temperature at discharge from the exhaust conditioner before the exhaust gas is diluted with air.
- (b) **Acceptable performance.**
  - (1) The exhaust gas temperature at discharge from a wet exhaust conditioner before the exhaust gas is diluted with air shall not exceed 170 °F (76 °C).
  - (2) The exhaust gas temperature at discharge from a dry exhaust conditioner before the gas is diluted with air shall not exceed 302 °F (150 °C).

## Notes

### Source

Source: 61 FR 55518, Oct. 25, 1996, unless otherwise noted.

### Authority

Authority: 30 U.S.C. 957.

### Source

Source: 53 FR 23500, June 22, 1988, unless otherwise noted.