12 Va. Admin. Code § 5-421-3200 - Cleaning ventilation systems, nuisance and discharge prohibition
A. Intake and
exhaust air ducts shall be cleaned and filters changed so they are not a source
of contamination by dust, dirt, and other materials.
B. If vented to the outside, ventilation
systems shall not create a public health hazard or nuisance or unlawful
discharge.
Notes
Statutory Authority
§§ 35.1-11 and 35.1-14 of the Code of Virginia.
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