The hydrogen-ion concentration should be maintained at 7.2 or above.
12 Va. Admin. Code § 5-460-290
Statutory Authority
§ 35.1-13 of the Code of Virginia.
The hydrogen-ion concentration should be maintained at 7.2 or above.
12 Va. Admin. Code § 5-460-290
Statutory Authority
§ 35.1-13 of the Code of Virginia.