9 Va. Admin. Code § 25-260-70 - Maximum hourly temperature change
Current through Register Vol. 38, No. 9, December 20, 2021
The maximum hourly temperature change shall not exceed 2°C, except in the case of Class VI waters (natural trout waters) where it shall not exceed 0.5°C. These criteria shall apply beyond the boundaries of mixing zones and are in addition to temperature changes caused by natural conditions.
Notes
Statutory Authority
§ 62.1-44.15(3a) of the Code of Virginia.
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9VAC25-260-70. Maximum hourly temperature change.
The maximum hourly temperature change shall not exceed 2°C, except in the case of Class VI waters (natural trout waters) where it shall not exceed 0.5°C. These criteria shall apply beyond the boundaries of mixing zones and are in addition to temperature changes caused by natural conditions.
Statutory Authority
§ 62.1-44.15(3a) of the Code of Virginia.
Historical Notes
Derived from VR680-21-01.7, eff. May 20, 1992; amended, Volume 14, Issue 04, eff. December 10, 1997.