---
kind: "section"
citation: "46 C.F.R. § 148.51"
title: "46"
number: "148.51"
heading: "Temperature readings."
url: "https://uscodex.org/cfr/46/148.51"
---

# §148.51. Temperature readings.


When Subpart D of this part sets a temperature limit for loading or transporting a material, apply the following rules:

- (a) The temperature of the material must be measured 20 to 36 centimeters (8 to 14 inches) below the surface at 3 meter (10 foot) intervals over the length and width of the stockpile or cargo hold.
- (b) The temperature must be measured at every spot in the stockpile or cargo hold that shows evidence of heating.
- (c) Before loading or transporting the material, all temperatures measured must be below the temperature limit set in Subpart D of this part.

## Notes

### Authority

Authority: 33 U.S.C. 1602; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; 46 U.S.C. 3306, 5111; 49 U.S.C. 5103; Department of Homeland Security Delegation No. 0170.1.

### Source

Source: 75 FR 64591, Oct. 19, 2010, unless otherwise noted.