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Soil Suitability Study MS-98-37 Parcel Nos . 1 , 2 , 3 , 4 , & 5 <br /> Chemical Constituent <br /> Maximum <br /> Contamination <br /> Dibromochloropropane Nitrate Level <br /> TEST (DBCP) ruff/Ll NO3 ) {,viu/L} (ug/L1 {mff/Li <br /> 8-2460 N/D 3 . 8 0 . 2 45 <br /> ( 16750 Clements Rd. ) <br /> 8-2461 N/D 19 . 7 0 . 2 45 <br /> ( 16751 Clements Rd. ) <br /> T ND = Not detected <br /> The Nitrate (NO3 ) and Dibromochloropropane (DBCP) <br /> concentrations for the well water sampled are well within the <br /> State ' s standards established for safe public drinking water <br /> established at 45 mg/L and 0 . 2 ug/L for Nitrates (NO3 ) and <br /> Dibromochloropropane (DBCP) respectively. <br /> The well water analysis was performed by "Far West <br /> Laboratories , Inc . " and is shown on their attached two (2) <br /> letters , both dated December 15 , 1998 . <br /> RECOMMENDATIONS : Due to five ( 5) , Shallow Percolation Test Holes , <br /> SP2A and SP213 , SP3A and SP3B , and SP4A, on Parcel Nos . 2 , s , and 4 <br /> respectively, failing to meet to meet the San Joaquin County Health <br /> Service , Environmental Health Division requirement of a percolation <br /> rate no greater than 60 minutes per inch, in preliminary non- <br /> standard short-length 3-foot deep percolation tests , the use of <br /> subsurface horizontal leach fields solely is not recommended on any <br /> of the five parcels . <br /> Discharging effluent into a 12 , 000 square feet minimum usable <br /> disposal area in combination with subsurface horizontal leach lines <br /> into seepage pits at a maximum depth of twenty-five feet below the <br /> ground surface is recommended for Parcel Nos . 1 , 2 , and 3 . Engineer <br /> designed systems are recommended for Parcel Nos . 4 and 5 . <br /> Walter E. Curtis <br /> Attachments : "Tentative Parcel Map" ( 1 ) <br /> "Parcel Nos . 1 & 3 Site Pian" ( 1 ) <br /> "Parcel Nos . 2 & 3 Site Plan" ( 1 ) <br /> "Parcel Nos . 4 & 5 Site Pian" ( 1 ) <br /> "San Joaquin Co . Env . Health Div . Septic Records" ( 1 ) <br /> "Field Percolation Data Sheet" ( 5) <br /> " 12-15-98 Far west Laboratories Inc. Letter ( 2 ) <br /> "Surface and Subsurface Contamination Report" ( i ) <br /> R. E. Rose/Bear Creek Vineyards Inc . , 16750 & 16751 Clements Rd. 6 <br />