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The Board of Health shall promulgate regulations for chamber and bundled expanded polystyrene effluent distribution systems for onsite sewage systems permitted by the Commissioner pursuant to Article 1 (§ 32.1-164 et seq.) of Chapter 6 of Title 32.1. Such regulations shall include requirements for chamber and bundled expanded polystyrene effluent distribution systems for onsite sewage systems, which shall include (i) specifications for the physical construction of chamber and bundled expanded polystyrene effluent distribution systems including minimum exterior width, height, effluent storage capacity, and structural capacity; (ii) requirements for a permeable interface between chamber and bundled expanded polystyrene effluent distribution systems and trench sidewall soil surfaces for the absorption of wastewater; (iii) criteria for the allowable slope, maximum length, minimum sidewall depth, and minimum lateral separation of chamber and bundled expanded polystyrene effluent distribution system absorption trenches; (iv) criteria for substituting chamber and bundled expanded polystyrene effluent distribution systems for gravity percolation trenches and gravel and crushed stone low pressure systems; (v) criteria for determining the minimum area requirements for chamber and bundled expanded polystyrene effluent distribution system absorption trenches; and (vi) such other requirements pertaining to the promulgation of chamber and bundled expanded polystyrene effluent distribution system regulations for onsite sewage systems as may be deemed necessary by the Board. 2013, c. 32.1-164 .
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