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'i <br /> SUMMARY AND ANALYSIS OF <br /> HYDRAULIC LIFT TANK SURVEY <br /> i <br /> �. BACKGROUND AND INTRODUCTION <br /> Assembly Bill 1061 (Costa), Chapter 432 of 1993, requires the State Water <br /> Resources Control Board (SWRCB) to assess the threat of leaks from <br /> hydraulic lift tanks (HLTs). The law directs the SWRCB to prepare a report <br /> that covers the following: <br /> a) The number of tanks holding hydraulic fluid that are in operation in the <br /> state, are no longer in use, or are abandoned. <br /> b) An estimate of the number of these tanks that have leaked hydraulic <br /> fluid into the environment. <br /> cl An evaluation of the types of dangers to the environment posed by <br /> tanks leaking hydraulic fluid. <br /> d) An assessment as to whether the danger posed by leaking hydraulic <br /> lift tanks Justifies their regulation pursuant to Chapter 6.7 <br /> (commencing with Section 25280) of Division 20 of the Health and <br /> Safety Code. <br /> Based on the findings of this report, the SWRCB is to recommend replacing <br /> the temporary exemption from regulation under Chapter 6.7 with either: 1) <br /> their permanent exemption, or 2) their inclusion in the Underground Storage <br /> Tank (UST) regulated universe. <br /> To estimate the total number of HLTs and the number of these tanks that <br /> have leaked fluid into the environment, staff surveyed local regulators, the <br /> Department of Industrial Relations (D1R), and the affected industries. The <br /> local regulators consist of the 104 Local Implementing Agencies (LIAs) which <br /> all oversee the leak prevention part of the underground storage tank <br /> program. (Note that Regional Water Quality Control Boards have had little <br /> regulatory involvement with HLTs.) The DIR is the state agency that permits <br /> and inspects hydraulic elevators. The main industries affected by this <br /> . legislation are elevator manufacturers and automotive lift manufacturers. <br /> Ten elevator manufacturers and the Automotive Lift Institute (ALI) responded <br /> to a survey that included most of the questions asked of LIAs, as well as <br /> additional questions about relevant industry practices <br />