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.y OPTION 1A <br />ARTICLE 3. SECTION 2631 <br />MOTOR VEHICLE OR NONMOTOR. VEHICLE FUEL TANK <br />6V"ZP1KUW1V,N STA DARDS <br />Y <br />1. Seconds containment provided. �� �� <br />2. Primary c tainers shall be product tight. �`�� <br />3. Secondary c tainers <br />A. Thicknes density, composition, and product compatibility. <br />B. Sized to c ntain unauthorized releases for sufficient time to al ow <br />detection a d removal. <br />4. Secondary container volumetric requirements <br />A, Single primary ontainer - 100%. <br />B. Multiple primary ontainers . 150% of largest primary container or <br />lOX above aggrega <br />1. Document antero <br />5. Secondary containers open\ <br />A. Volumetric requirement <br />primary container volui <br />compatibility <br />rainfall. <br />24 hours of 25 year storm in addition W <br />6. Pore space of granular materia used as backfill for the primary containers. <br />A. Refer to Section 2631(g). <br />7. Secondard container equipped with collection system. <br />A. Designed to: <br />I. Accumulate <br />2. Temporarily store <br />3. Permit removal of: <br />a. Precipitation <br />b. Subsurface infiltration <br />c. Released hazardous substance from primary container(s). <br />8. Floor of Secondary container <br />A. Constructed on firm base <br />B. Sloped to collection sump (1/" per foot . <br />1. One or more access casings installed "n sump <br />a. Sized to allow removal of collecte liquid <br />b. Extend to ground surface <br />c. Perforated in sump region. <br />d. Covered with a locked waterproof cap r within a secured facility <br />e. Thick enough to withstand anticipated tresses <br />f. Construction materials: <br />1) Are not weakened -by stored product <br />2) Will not donate, capture, or mask co stituents to be analyzed. <br />9. Membrane liner specifications: <br />A. Refer and comply with Article 3, Section 2631 j, k, 1, and m. <br />