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.