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LG 162-2 - 9 - <br /> D. <br /> 9 -D. For USTs installed on or after July 1, 2004, is the annual line tightness test <br /> on pressurized piping required? <br /> No. For USTs installed on or after July 1, 2004, an annual line tightness test on <br /> the primary piping is not required. <br /> If you have questions regarding this document, please contact the UST Program at <br /> (916) 341-5775 or via e-mail at ust(aD-waterboards.ca.gov. <br /> Sincerely, <br /> Original signed by <br /> Kevin Graves, P.E., Manager <br /> Underground Storage Tank Program <br /> California Ca Recycled Paper Environmental <br /> Protection Agency <br />