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Permits and Waivers Issued by the Central Valley Regional Water Quality Control <br />Board for LLNL Site 300 <br />Permit and <br />Permitted Discharge <br />Expiration <br />Reports Required <br />Number <br />or Operation <br />Date <br />WDR 94-131 <br />Storm water discharges <br />5.20/99' <br />Quarterly cooing tower <br />NPDES No. <br />associated with industrial <br />monitoring reports, annual <br />CA 0081396 <br />activities, cooling tower <br />storm water and cooling <br />discharges <br />tower monitoring report. <br />WDR 93-100 <br />Ground water monitoring <br />None <br />Quarterly and annual <br />associated with closed <br />monitoring report. <br />landfill pits 1 & 7 <br />WDR 97-242 <br />Discharges of treated <br />12/1/02 <br />Quarterly reports <br />NPDES No. <br />ground water from the <br />CA 0082651 <br />Eastern General Services <br />Area Treatment Facility <br />WDR 96-248 <br />Discharges into and <br />None <br />Quarterly and annual <br />operation of 2 class H <br />monitoring reports <br />surface impoundments, the <br />sewage evaporation and <br />percolation ponds, and <br />five percolation pits for <br />discharges from <br />mechanical equipment <br />Waiver <br />Septic sstems <br />None <br />None <br />Waiver <br />14 Cooling tower <br />None <br />None <br />percolation, pits <br />Ground water beneath the closed Pit 6 and Building 829 Burn Facility is monitored under <br />the requirements of a Post -Closure Monitoring Plan. <br />The Regional Board is in the process of renewing this permit. <br />J U L 2 8 2004 <br />ENVIRONMENT HEALTH <br />PERMIT/SERVICES <br />