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Recommended Practices for the Testing and Verification of Spill,Overfill,Leak Detection and Secondary Containment Equipment at UST Facilities <br /> 1. INTRODUCTION prevent damage to property and equipment. <br /> This document is not intended to: <br /> 1.1 Origin. The Petroleum Equipment Institute (PEI) • endorse or recommend particular materials,equipment, <br /> hag produced this document as an industry service.It has suppliers or manufacturers; <br /> been prepared in response to requests from underground . discourage the development or installation of new <br /> storage tank (UST) system operators, tank testers and equipment or overfill prevention and leak detection <br /> regulators for a single authoritative source of informa- devices; <br /> tion. <br /> • discourage the development of new or improved <br /> The recommended practices described herein represent testing procedures and equipment. <br /> a synthesis of industry procedures and manufacturers' <br /> recommendations relating to spill, overfill;leak detection 1.4 Scope. These recommended practices apply to <br /> and secondary containment equipment. These practices facilities that are equipped with USTs used for the stor- <br /> are the consensus recommendations of the PEI Overfill, age of motor fuels,jet fuels, distillate fuel oils, residual <br /> Release Detection and Release Prevention Equipment fuel oils, lubricants, petroleum solvents, oils and other <br /> Testing Committee. The Committee is made up of petroleum products. <br /> representatives from equipment suppliers, tank owners, These recommended practices apply to: <br /> leak detection and release prevention testers, industry- <br /> related associations and the regulatory community. In • USTs; <br /> addition,the Committee has had the benefit of comments . connected underground piping; <br /> submitted by parties interested in leak detection and <br /> release prevention equipment. 0underground ancillary equipment and containment <br /> systems; <br /> In instances where there were differences or omissions in <br /> material available from existing sources,the PEI Overfill, equipment from the dispenser shear valve and below. <br /> Release Detection and Release Prevention Equipment These recommended practices do not apply to: <br /> Testing Committee has included its own consensus <br /> recommendations based on the practical experience of . mobile tank fuel dispensing systems (e.g., truck- <br /> committee members. mounted refuelers); <br /> 1.2 Background. Spill, overfill, leak detection and ' aboveground storage tanks; <br /> secondary containment equipment is currently employed • tanks containing refrigerated liquids, liquefied <br /> at UST facilities as required by local, state and federal petroleum gases,liquefied natural gases or compressed <br /> regulations.For this equipment to be operated effectively natural gases; <br /> and safely,it must be maintained,inspected and tested for . dispensing equipment above the shear valve. <br /> proper operation on an ongoing basis. <br /> These recommended practices are not intended to address <br /> 1.3 Purpose. The purpose of this document is to the design, installation or day-to-day operation of UST <br /> provide a concise summary of general guidelines for systems. Nonetheless, it is important to consider the <br /> the inspection and testing of spill, overfill, leak detec- design and operational characteristics of an underground <br /> tion, secondary containment equipment, shear valves tank system when specifying overfill prevention,release <br /> and emergency stops at UST facilities. This information prevention and leak detection equipment. <br /> has been assembled from published and unpublished <br /> sources provided by equipment suppliers, experienced The test methods in this recommended practice relative <br /> testing contractors, UST owners/operators and authori- to integrity testing of spill buckets, containment sumps <br /> ties having jurisdiction (AHJs). The intent is to provide and secondary containment are based on current industry <br /> recommended practices to facility operators and testing practices and are intended to demonstrate that a leak <br /> personnel that: from the primary containment will be detected before it <br /> • protect the environment; reaches the environment. <br /> • promote the safe and reliable operation of systems; If an AHJ requires components to meet specific leak <br /> • prevent spills and overfills associated with deliveries detection standards,follow the requirements in the AHJ's <br /> to a UST; regulation. <br /> pei.org 0 <br />