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r <br /> STATEMENTS <br /> Purge Water Transport and Disposal <br /> Non-hazardous groundwater produced during purging and sampling was accumulated at <br /> TRC's groundwater monitoring facility at Concord, California, for transportation by <br /> Onyx Transportation, Inc , to the ConocoPhillips Refinery at Rodeo, California Disposal <br /> at the Rodeo facility was authorized by ConocoPhillips in accordance with "ESD <br /> Standard Operating Procedures— Water Quality and Compliance", as revised on February <br /> 7, 2003 Documentation of compliance with ConocoPhillips requirements is provided by <br /> an ESD Form R-149, which is on file at TRC's Concord Office Purge water suspected of <br /> containing potentially hazardous material, such as liquid-phase hydrocarbons, was <br /> accumulated separately in a drum for transportation and disposal by Filter Recycling, Inc <br /> Limitations <br /> The fluid level monitoring and groundwater sampling activities summarized in this report <br /> have been performed under the responsible charge of a California Registered Geologist or <br /> Registered Civil Engineer and have been conducted in accordance with current practice <br /> and the standard of care exercised by geologists and engineers performing similar tasks in <br /> this area No warranty, express or implied, is made regarding the conclusions and <br /> professional opinions presented in this report The conclusions are based solely upon an <br /> ianalysis of the observed conditions If actual conditions differ from those described in <br /> this report, our office should be notified <br />