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Virginia Administrative Code
Title 1. Administration
Agency 30. Department of General Services
Chapter 110. Aggressive Air Sampling Standards to Be Utilized in Final Clearance Inspections for Asbestos Projects in Local Education Agencies and Public Colleges and Universities in the Commonwealth of Virginia
11/21/2024

1VAC30-110-50. Equipment requirements.

A. High volume air pumps with necessary peripheral equipment (hoses, connectors, etc.) calibrated to draw from four to 10 liters of air per minute (1pm) through the filter must be used for air sampling.

B. Filters must be 25 millimeter mixed cellulose ester (MCE) filters with a 0.8-1.2 micrometer pore size if the filter is to be analyzed by PCM, or a 0.45 micrometer pore size if analyzed by TEM. Sampling cassettes must have 50 millimeter extension cowls and must not have been previously used.

C. Electric leaf blowers with a rating of at least one horsepower and of a type to allow easy decontamination must be used to initially agitate and suspend any particles in the air. Twenty inches X 20 inches stationary box fans must be used to maintain particle suspension for the duration of the air sampling.

Statutory Authority

§ 2.1-526.14 of the Code of Virginia.

Historical Notes

Derived from VR330-03-02 § 5, eff. August 1, 1974; amended, Virginia Register Volume 9, Issue 21, eff. August 11, 1993.

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