33 C.F.R. § 159.119 Operability test; temperature range.
Title 33 - Navigation and Navigable Waters
The device must operate in an ambient temperature of 5 °C with inlet operating fluid temperature varying from 2 °C to 32 °C and in an ambient temperature of 50 °C with inlet operating fluid temperature varying from 2 °C to 32 °C.
Title 33: Navigation and Navigable Waters
PART 159—MARINE SANITATION DEVICES
Subpart C—Design, Construction, and Testing
§ 159.119 Operability test; temperature range.