ARCHIVED REPORTS XR0000997 - Laserfiche WebLink

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neat cement slurry by use of a tremae pipe The order in which the soil probes may be placed will depend on conditions encountered in the field during the work, and the actual locations may vary from those shown. They will be clearly identified in the final report . MONITORING WELLS The final locations of additional monitoring wells will depend upon an analysis of the data obtained from the above work However, based upon the results of work done to date, it is believed that a minimum of four (4) additional wells will be required - their suggested locations are shown on PLATE VII It will be necessary to obtain the required permits from the San Joaquin County EHD prior to commencing operations We will provide your office with an addendum to this workplan showing final locations of the wells & copies of the approved drilling permits prior to commencing the work We do not plan to place monitoring wells offsite under this workplan If such wells are needed, drilling permits, right of way agreements, conditional use permits, easements, bonds, etc . , will have to obtained before proceeding It is felt that if that phase of investigation is required, it is best handled by a separate workplan, or an addendum to this one FIELD PROTOCOL & COMPLETION DETAILS FOR PLACING MONTORING WELLS 1 Mobilize properly licensed auger rig & support truck Equipment to include sufficient hollow-stem auger flights to complete each soil boring/monitor well without having to decon- taminate equipment Depending upon type of coring equipment and casing size, augers will be either 8 1/41, OD or 10 1/4" OD 2 Rig will be equipped with either a conventional rod driven assembly or a wireline operated continuous coring device designed to hold a standard California Modified split spoon sampler. All coring equipment will be thoroughly decontaminated between cores with Alconox or TSP, rinsed with clean tap water, and a final rinse with distilled or deionized water. Metal tubes used for con- taming core material will either be new or have been thoroughly cleaned prior to use . 3 After retrieving the core barrel, it will be placed on a clean surface & carefully opened Approximately 4 ounces of the cored material will be placed in a sealed plastic bag, and set aside for 5 - 10 minutes to allow any vapors to volatize The 6