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9-90 <br /> OUP SERVICES <br /> Chuck Peek Page 3 <br /> San Joaquin General Hospital Clayton Proposal No. 04SFOESDO66 <br /> March 15, 2004 <br /> The Client or their representative shall correctly designate the location of all subsurface <br /> structures such as pipes,tanks, cables, and utilities within the property lines of the subject <br /> property. For example, the Client should provide copies of applicable building plans <br /> (e.g., plumbing and structural). Clayton will rely on the accuracy of such information <br /> provided by the Client. If the Client fails to provide such information or the information <br /> provided is inaccurate, Clayton shall not be responsible for the damage caused to the <br /> unknown or incorrectly designated subsurface structures nor for any injury to persons that <br /> result from the improper designation. <br /> TASK 2: FIELD ACTIVITIES <br /> The field activities will consist of soil sampling. Using a hand auger or similar <br /> equipment, Clayton will collect the soil samples. We anticipate making two separate site <br /> visits and collecting up to six samples per visit. We anticipate collecting samples from <br /> the ground surface to 3.0 feet bgs. During the field activities, Clayton will document the <br /> sample locations and observations that will assist in future recommendations of whether <br /> additional soil should be excavated. A photo-ionization device will be used in the field to <br /> identify potential soil hot spots, if applicable. Clayton will collect samples from hot spots <br /> to identify the worst-case contamination present. <br /> TASK 3: LABORATORY ANALYSIS <br /> The soil samples will be transferred under formal chain-of-custody documentation to a <br /> State of California-certified laboratory for analysis. The soil samples will be analyzed for <br /> the following constituents: <br /> • EPA Method 8260B for total petroleum hydrocarbons as gasoline (TPH-g); benzene, <br /> toluene,ethylbenzene, and xylene (BTEX), and five fuel oxygenates, including <br /> MTBE. <br /> After Clayton receives the analytical results for the first set of samples, we will notify the <br /> Hospital of the results and recommend whether additional excavation and sampling is <br /> necessary. <br /> TASK 4: PROJECT MANAGEMENT AND REPORT PREPARATION <br /> Upon completion of the above Tasks, Clayton will discuss the results with you, and <br /> prepare a written report documenting the work performed and our findings, conclusions, <br /> and, if requested, recommendations. We will issue two bound copies of the report. One <br /> draft version and one final version will be completed. We will include a diagram <br /> showing the sample locations. <br /> S:\ESU'roposals\2004\04-066 San Joaquin Counry.doc <br />