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M PEI/RP1200 - 17 — — ------ - ---- -- ---- -- -- - - 6 . 2. 2 Description of Test. The spill bucket is 6 . SPILL BUCKET AND filled with water. The water level is measured at the CONTAINMENT SUMP beginning and end of the test. TESTING 6. 2.3 Test Equipment. Test equipment shall include: 6.1 General . Spill buckets and containment sumps for water•, tank systems are neither intended nor designed for the measuring stick that is accurate to within 1 / 16 storage of petroleum products, but rather to contain small (0.063) inch and of sufficient length; leaks and spills for short periods of time. This section describes the procedures used to test the integrity of spill plumber 's plug (appropriate size, if used) ; buckets and containment sumps to ensure that they do not stopwatch or other time-measurement device leak. capable of measuring a 1 -second increment. 6 . 2 Spill Bucket Integrity Testing — Hydrostatic 6.2.4 Preparation . Test Method . 1. Care should be taken when conducting the test WARNING Do not use fuels such as gasp- in the rain or during freezing weather condi- line, E86 or diesel as a test fluid because tions , they present a serious fire and safety 2 . Remove and properly dispose of any liquid and hazard. Gasoline vapors are flammable debris (leaves , sediment and trash) in the spill and can explode if exposed to an ignition bucket. Clean the spill bucket and examine it for source such as a spark or open flame . If damage, defects or improperly installed compo- a tank or containment area Is not tight, nents . If there are loose components (e.g. , loose using fuel as the test fluid will cause a band clamps or bolts), tighten these items before release into the soil or groundwater. conducting the integrity test. If there are items - - -- — - that must be repaired or replaced (e.g . , deterio- rated gaskets/seals or drain valves) , notify the 6 . 2 .1 Purpose. This method is used to test the owner/operator. integrity of single- walled spill buckets or the pri- mary containment of secondarily contained spill 3. Examine the fill cap and adapter fitting for buckets . loose, missing or damaged parts, and make necessary repairs. Complete any repairs before putting water in the spill bucket. Make sure that the seal on the fill cap is present and in good condition . The cap must fit securely and be leak- Water Level tight on the riser. The water level during the test typically will be above the cap , so a leaking cap will result in a failed test. As an alternative to a tight-fill cap , use a plumber ' s plug in the fill riser if approved by the authority having juris- diction (AHJ) and tank owner. 4. The spill bucket drain valve, if present, must be leak-tight to pass the test. If it is not leak- tight, it may be possible to simply remove and permanently plug the drain valve . However, if you choose to permanently plug, ensure that the local regulations allow this modification . FIGURE 64 . The hydrostatic method of determining 5. if the spill bucket is found to have cracks , loose spill bucket integrity uses water to detect leaks. The parts or separation of the bucket from the fill measuring stick must be placed in the same location pipe , it is not considered to be liquid-tight. This at the beginning and end of the test period to ensure visually indicates a test failure. accurate water level readings. pei .org