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DEL-TECH GEOTECHNICAL SUPPORT DATE INVOICE# <br /> _ 10624 OLIVE AVENUE <br /> OAKDALE,CA.95361 <br /> (209)847-8757 OFFICE 7/7/2005 159 <br /> (209)847-7744 FAX <br /> High Quality Field <br /> Support Services <br /> 1990-2005 <br /> INVOICE BILLING TO: SITE LOCATION 1 TASKS COMPLETED : <br /> Cutter Lumber 1 Stockton, Ca. <br /> Purging, Logging & Sampling of M.Wells <br /> GEO-PHASE ENVIRONMENTAL, INC. (8 ) G.W. Monitoring Wells <br /> 2937 VENEMAN AVE. , ST. B240 Complete Field Support Services <br /> MODESTO, CA. 95356 Project Reporting & Documentation <br /> P.O. NUMBER TERMS DUE DATE ATTN. 2005 QUARTER <br /> Steve Lankford NET 30 DAYS 7/7/2005 DON 2ND. 2005 <br /> DESCRIPTION OF ITEMS OR TASKS COMPLETED QTY.1 EA. RATE 1 UNI... SUB TOTAL <br /> This invoice is for completing all of the tasks required to perform a professional, <br /> detailed groundwater monitoring event at the site referenced above. All tasks are <br /> completed with a high level of quality assurance and control. We complete <br /> scheduling coordination with the owners of the property, consultant, regulatory <br /> agents, analytical laboratory and surrounding property owners. <br /> Mobilization/Demobilization to and from the site. Locating all the monitoring <br /> wells,setting up cones or barricades for traffic control and site safety, typically in <br /> a high traffic zone. <br /> Using a solinist depth to water meter, sounding of all wells after stabilization and - <br /> decontamination of probe between every well. Then using the appropriate <br /> purging device, a minimum of three well casing volumes will be purged. The <br /> effluent water will be monitored for pH, E.C., Temperature, Dissolved Oxygen, <br /> O.R.P., Color, Odor and any other visual conditions of the water. All purge water <br /> is contained on-site in a approved drum or container. <br /> Labeling and preserving the samples per,county requirements, completion of a <br /> sample chain of custody and delivery of the samples to the laboratory or courier. <br /> Completion of a detailed field monitoring summary report. <br /> Mobilization of a Field Support Truck&Trailer w/all support equipment. 1 125.00 125.00 <br /> Field Support Services 10611412005 5 165.00 825.00 <br /> 2 Men Labor, Monitoring Well Purging, Logging&Sample Collection. <br /> Specialty Field Monitoring Equipment(pH, Temp., E.G., O.R.P., D.O., N.T.U. ) 5 35.00 175.00 <br /> Opening&Sounding of Production 1 Monitoring Wells 2 30.00 60.00 <br /> Miscellaneous Consumables(Tyveks, Nitrile gloves,Towels, Tubing, Ice) 1 30.00 30.00 <br /> Purge Water Poly 1 Steel Purge Water Containment Drums 2 30.00 60.00 <br /> Sample Labeling, completion of a sample chain of custody,transportation& 1 35.00 35.00 <br /> delivery to the contracted laboratory, <br /> Documentation and Field Summary Reporting of this monitoring event. 1 55.00 55.00 <br /> NOTE ; MW- 10 was covered with asphalt on this event. <br /> THANK YOU FOR USING DEL-TECH TO SUPPORT YOUR PROJECT. TOTAL $1,365.00 <br />