9 Va. Admin. Code § 5-510-240
B. Upon presentation of credentials and other documents as may be required by law, the permittee shall allow the department to perform the following:
4. Sample or monitor at reasonable times substances or parameters for the purpose of assuring compliance with the permit or applicable requirements.
Department representatives will report to the site office and notify a company official or representative of their presence immediately upon entering any operation, as required by Mine Safety and Health Agency standards. For purposes of this condition, the time for inspection shall be deemed reasonable during regular business hours or whenever the facility is in operation. Nothing contained herein shall make an inspection time unreasonable during an emergency.
§ 10.1-1308 of the Code of Virginia.
Derived from Virginia Register Volume 19, Issue 3, eff. December 1, 2002.