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Teichert and Son 72- F• March 24,E 080-,� <br /> Claim No. 51, - <br /> • SOIL TYPES: interbedded and intermixed sand; and cla ' <br /> f g <br /> � � , y, predomirlantly.fine <br /> rained <br /> B. Monitoring Well Information <br /> Well Designation Date Installed Screen Interval Most Recent DTW <br /> feetb- s)( Dec 07 <br /> MW-1 Oct 01 ?- <br /> . 43 D <br /> MW-13 li _ - = Oct 01:. ?-64 - 45.26. <br /> MW-14..:.. ,. Oct 01 '?-77 . , 4 45.30 j <br /> MW-15 Dec'07 ?-73 45.20 -� <br /> MW-16 k Dec 07• ?=73 44.28 <br /> MW-17 Dec 073 ?-74 -44.27 <br /> MW-18 Dec 07 ?-90 43.96 <br /> • MTBE THREAT CLASSIFICATION: X <br /> • LAND USE DESIGNATION: residential and commercial <br /> • ESTIMATED WATER QUALITY OBJECTIVES (WQO'S) FOR SITE: Per the <br /> Water Quality Control Plan (Basin Plan) for the Sacramento River Basin and the <br /> San Joaquin River Basin (Fourth Edition).., . <br /> IV. MAXIMUM DOCUMENTED CONTAMINANT CONCENTRATIONS <br /> Contaminant . Soil m Ik '�` PRGs Water u IL • WQOS <br /> Maximum Latest Residential Industrial Maximum Latest (ug/L) <br /> (mg/kg) m 9Ik Dec 07 <br /> TPH-g NA NA, NA NA 11,000 3,000 5 ' <br /> TPH-d NA- -NA NA NA NA NA 49 <br /> Benzene NA NA 0.64 1.4 68 3.6 0.15 <br /> Toluene NA NA 520 520 " ­74 7.1 } y 42 <br /> Eth (benzene NA NA 400 400 160 25 29 <br /> Xylenes NA NA 270 420 580 r 93 17 I <br /> MTBE NA NA 32 70 13 x!0.77, 5 <br /> TBA NA NA NA. NA 65 IND , 12 <br /> 1,2-DCA NA NA NA NA 63 63 0.5 <br /> Lead NA NA 400 800 NA NA 15 <br /> PCE NA NA 17 ­ 130 130 ° r,NA ` v NA 0.06 <br /> TCE NA NA 0.11 110 NA NA 0.8 <br /> PRGs USEPA Region 9 Preliminary.Remediation Goals <br /> MCL Maximum Contaminant Levels <br /> AL Action Level • •'P {•E <br /> NA Not Analyzed, Not Applicable,or Data Not Available - _ } <br /> WQO Water Quality Objectives <br /> V. FREE PRODUCT: none identified h . <br /> VI. SOIL°AND GROUNDWATER REMEDIATION <br /> A. Soil Excavation: unknown volume excavated to a depth of 30feet <br /> - California Environmental ProteCtion Agency <br /> ea n-ycJedPa <br />