Virginia regulations · Through 2026 Regular Session (effective July 1, 2026)

1VAC30-110-70: Laboratory analysis

A. TEM analysis shall be conducted as described in 40 CFR, Part 763, Subpart E, Appendix A, Unit II.

B. PCM analysis shall be conducted using the National Institute for Occupational Safety and Health (NIOSH) Method 7400 entitled "Fibers" published in the NIOSH Manual of Analytical Methods, 3rd Edition, Second Supplement, August 1987.

C. The following minimum information must be reported by the analytical laboratory to the client:

1. Concentration in structures per square millimeter (TEM) and structures per cubic centimeter (PCM).

2. Analytical sensitivity used for the analysis.

3. Number of asbestos structures (TEM).

4. Area analyzed.

5. Volume of air samples (which was initially provided by client.

6. Average grid size opening.

7. Number of grids analyzed.

8. Copy of the count sheet.

9. Type of asbestos.

10. Signature of laboratory analyst.

11. Official laboratory identification.

12. Floor plan indicating location where samples were obtained (provided initially by client).

13. Copy of asbestos analytical laboratory license.

Where this section sits in the 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