18 Va. Admin. Code § 15-30-9999
Guidelines for the Evaluation and Control of Lead-Based Paint Hazards in Housing, Second Edition, July 2012, U.S. Department of Housing and Urban Development.
EPA Guidance on Residential Lead-Based Paint, Lead-Contaminated Dust and Lead-Contaminated Soil (60 FR 47248-47257, September 11, 1995).
Residential Sampling for Lead: Protocols for Dust and Soil Sampling, Final Report (EPA 747-R-95-001, March 1995).