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GEOMATRIX <br /> surface. All wells will be locked for security, and will be designed to limit surface water <br /> infiltration. <br /> 2.6 DOCLJII NTATION <br /> A well construction diagram for each well will be completed in the field on the <br /> MONITORING WELL LOG by the field geologist/engineer and submitted to the project <br /> geologist or engineer upon completion of each well. Well installation and construction data <br /> will be summarized on the FIELD WELL CONSTRUCTION SUMMARY. Well develop- <br /> ment notes and field measurements of water quality parameters will be summarized on a <br /> MONITORING WELL SAMPLING RECORD. A DAILY FIELD RECORD and the well <br /> development record will also be submitted to the project geologist or engineer upon <br /> completion of each monitoring well. <br /> 3.0 CLEANING OF DRILLING EQUIPMENT <br /> Cleaning of the drill rig and associated drilling equipment will follow the procedures <br /> discussed in Section 2 of the protocol DRILLING AND DESTRUCTION OF SOEL <br /> BORINGS. <br /> ` All well casing materials will be cleaned thoroughly before they are installed. Well <br /> " development equipment will be cleaned thoroughly before use. The following cleaning <br /> procedure has been found to be effective and will be used or adapted as appropriate for <br /> - general conditions of materials or equipment to be cleaned. <br /> 1. Swab surfaces inside and out with a laboratory g g Po rade deter ent- table water <br /> solution or steam clean with a detergent-potable water solution. <br /> 2. Steam rinse with potable water or rinse in deionized or organic-free water. <br /> 3. Cover with clean plastic to protect materials and equipment from contact with <br /> chemical products, dust, or other contaminants. <br /> INSTALLATION AND DESTRUCTION OF WELLS <br /> MSC\GEOMATRX.PRO REVISION DATE:NOVEMBER 1992 Page 6 of 8 <br />