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PEIIRP1200-12 6.2.1 Purpose. This method is used to test the 5. if the spill bucket is found to have cracks, loose integrity of single-walled spill buckets or the pri- pans or separation of the bucket from the fill mary containment of secondarily contained spill pipe, it is not considered to be liquid-tight.This buckets. visually indicates a test failure. 1 6.2.2 Description of Test. The spill bucket is NOTE: If the fill cap is not included in the filled with water.The water level is measured at the spill bucket test and/or the cap is not tight. it beginning and end of the test~ could be the source of potential fuel contami- 6.2.3 Test Equipment. Test equipment shall nation from water intrusion. include: NOTE: Before permanently plugging, ensure • water: that local regulations allow the drain valve to • measuring stick that is accurate to within 1/16 be permanently plugged. (0.063) inch and of sufficient length: • plumber's plug(appropriate size, if u,ed?. 6.2.5 Test Procedure. • stopwatch or other time-measurement device 1. Add water to the spill bucket to a level within capable of measuring a 1-second increm:•nt. 1.5 inches of the top of the spill bucket. Allow the water to settle for 5 minutes before the initial 6.2.4 Preparation. water level measurement is taken. 1.Care should be takcn when conducting the test 2. Place the measuring stick vertically at the lowest in the rain or during freezing weather condi- point in the spill hue ket and extending above the tions, water level to allow for an accurate measure- 2. Remove and properly dispose of any liquid and ment to be taken.The location of the measuring debris (leaves, sediment and trash) in the spill stick must remain the same for each water level bucket.Clean the spill bucket and examine it for measurement. Document the initial water level damage, defects or improperly installed compo- measurement as measured From the bottom of ..� nents. if there etre loose components te.g., loose the spill bucket.Alternative measurement meth- band clamps or bolts),tighten these items before ods may be used provided that measurement to conducting the integrity test. If there are items 1/16(0.063) inch can be- made. that must be repaired or replaced (e.g.. deterio- 3.Take all precautions to prevent the water level rated gaskets/seals or drain valves), notify the from being disturbed during the duration of the owner/operator. test. 3. Examine the fill cap and adapter fitting for 4.After l hour, documrni the ending water level loose, missing or damaged pans. and make measurement. necessary repairs. Complete any repairs before 5. Upon completion of the test. remove and dis- t putting water in the spill: bucket. Make sure that pow- of the water according to Section 6.7, and the seal on the fill cap is present and in good drN the inside of the spill bucket before returning condition.The cap must fit securely and be leak it to service. tight on the riser.The water level during the test typically will be above the crap, so a leaking cap 6.2.6 Pass/Fall Criteria. If the water level has will result in a failed test.As an alternative to a droplx:d less than 1/8(0.125) inch, the spill bucket tight fill cap,use a plumber's plug in the fill riser passes the integrity test. if approved by the authority having jurisdiction (AH11 and tank owner. If the water level has dropped 1/8 (0.125) inch or 4.The spill-bucket drain valve, if present. must greater, the spill bucket fails the integrity test. be leak-tight to pass the test. If it is not leak- 6.3 Spill Bucket Integrity Testing — Vacuum Test tight, it may be possible to simply remove and Method. permanently plug the drain valve. However, if you choose to permanently plug,ensure that the 6,3.1 Purpose. This method is used to test the local regulations allow this modification. integrity of single-walled spill buckets or the pri- ® pei.org