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A comprehensive set of questions and answers related to underground storage tank (ust) regulations and compliance. It covers various aspects of ust systems, including overfill prevention, flapper valves, piping testing, leak detection, monitoring equipment certification, and more. A valuable resource for students and professionals seeking to understand the intricacies of ust regulations.
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Overfill prevention shall alert transfer operator when tank is __% full -- Answer ✔✔ 90% Flapper Valves shall provide positive shut off when tank is filled to no more than __% capacity -- Answer ✔✔ 95% Primary pressurized piping shall be tested for tightness hydrostatically at __% of design operating pressure -- Answer ✔✔ 150% Date that all UST systems must have Line Leak Detector installed -- Answer ✔✔ November 9, Secondary containment testing shall be done upon ____, __months, and every ___ months or ____ years thereafter -- Answer ✔✔ Installation 6 months 36 months or 3 years Owners/ops shall submit SCT results to local agency within ____ days of completion -- Answer ✔✔ 30 days All monitoring equipment shall be tested, calibrated, operated, maintained, and certified every ____ months. -- Answer ✔✔ 12 months
A person conducting UST monitoring equipment certification shall affix tag/sticker on each component and shall include ___ and ___. -- Answer ✔✔ Date certified, replaced or repaired Contractor/tank tester's license number LLD shall detect release of __ gph and ___ PSI within ___ hour -- Answer ✔✔ 3 gph 10 PSI Suction piping shall be tested every ___ years -- Answer ✔✔ 3 years Owners/ops of UST shall submit copy of ELD results to local agency within ___ days of completion of test -- Answer ✔✔ 60 days Within ____ hours of unauthorized release, owner/operator should notify ______. -- Answer ✔✔ 24 hours local agency Date that all UDC upgrades shall be completed -- Answer ✔✔ December 31, 2003 Tanks and piping which have been repaired shall be tested for tightness within ___ days of completion of repair -- Answer ✔✔ 30 days UST shall be inspected every ____ months to verify that temporary closure measures are still in place -- Answer ✔✔ 3 months If UST is removed, soil samples shall be taken.. -- Answer ✔✔ beneath removed portions at a minimum of 2 feet at each end of the tank Within ______ of affixing red tag, local agency shall notify own of significant violation -- Answer ✔✔ 24 hours
Interior lining must be inspected by a coating expert within ____years of installation -- Answer ✔✔ 10 years Designated operator must conduct inspections of UST every____ -- Answer ✔✔ month Enhanced Leak detection must be capable of detecting leak of at least ___ gph. -- Answer ✔✔ .005 gph When ATG is utilized for SW detection , it shall test tank monthly after product delivery or when tank is filled to within ____ % of highest operating level during the previous month -- Answer ✔✔ 10% Date that overfill alarms were required on all UST systems -- Answer ✔✔ December 22, Spill buckets shall be tested... -- Answer ✔✔ Annually Unauthorized release must be notified to local agency within _____ followed by written notification within ______. -- Answer ✔✔ 24 hours 5 days By December 22 1998, all automatic line leak detectors installed on SW pressurized piping must be capable of: -- Answer ✔✔ Shutting down the piping system During temporary closure, the following openings must be sealed: -- Answer ✔✔ fill and access Pressurized product piping with secondary containment subject to annual pressure test must be tested with method capable of detecting: -- Answer ✔✔ .1 gph
Secondary containment shall be constructed to contain at least the following volumes: -- Answer ✔✔ A. 100% of usable capacity of primary where there is only one primary is within the secondary B. 150% of the largest container if there are multiple primary containers in a single secondary Spill container shall meet the following requirements: -- Answer ✔✔ A. If made of metal, exterior wall shall be protected from galvanic corrosion B. Shall have minimum capacity of 5 gallons (19 L) C. Shall have drain valve which allows drainage of the collected spill into the primary container or provide means to keep spill cont empty