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SUMIDEN WIRE PRODUCTS CORPORATION <br /> W CA No. 2714.01 <br /> August 18, 1994 <br /> Page 5 <br /> a sump. A letter provided by the State Water Resources Control Board reinforcing this conclusion <br /> is appended. <br /> Under Title 23, Division 3, Chapter 16, Section 2621, a sump, pit, pond, or lagoon, is exempt from <br /> the definition of "underground storage tank " and is therefore not regulated as an underground <br /> storage tank and subjected to secondary containment requirements under Chapter 6.7 of the Health <br /> and Safety Code, Section 25292. <br /> Bulk Sulfuric Acid and Bulk Caustic Soda Aboveground StoraEe Tanks <br /> The bulk sulfuric acid storage and bulk caustic soda aboveground storage tanks are located in a 12- <br /> inch bermed containment area. In the case of a leak or spill, the sulfuric acid or caustic soda will <br /> be retained by the bermed region which is equipped with a drain. The drain and associated piping <br /> is capable of directing the flow to the sulfuric acid rinse water sump. Secondary containment of the <br /> sulfuric acid rinse water sump is not required based on the above discussion. <br /> Emergency Evacuation Sump <br /> Under Title 22, Article 10, Section 66264.190 (b): Tank systems, including sumps, as defined in <br /> section 66260.10, that serve as part of a secondary containment system to collect or contain releases <br /> of hazardous wastes are exempted from the secondary containment requirements in section 66264.193 <br /> (a) of article 10. <br /> Furthermore, under Title 23, Division 3, Chapter 16, Section 2621, subsection (a) (12): A sump, <br /> pit, pond, or lagoon, or an emergency containment tank kept empty to receive accidental spills and <br /> approved for such use by the appropriate local agency is excluded from the term "underground <br /> storage tank" and therefore is not enforced under Chapter 6.7, Section 25292 of the Health and <br /> Safety Code. <br /> `0% <br /> WALLACE•KUHL <br />