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Dee 13 01 11 : 54a Don Chesney <br /> m <br /> VALLEY AG <br /> t_� <br /> DACE: December 12,2001 <br /> V.A.R.Job No: Ni.S-04.00A <br /> FOR- Mr. Raymond Quaresma <br /> Quaresma Dairy <br /> 26290 South Union Road <br /> Manteca,CA <br /> PROJECT: Quaresma Dairy <br /> 26290 South Union Road <br /> APN 207-150-07. <br /> SUBJECT: NITRATE LOADING STUDY ADDENDUM <br /> Reference is made to my Nitrate Loading Study/Soil Suitability Study dated July 1,2000,Job <br /> Number M.S-04.00. 'Che San Joaquin County Environmental 1-Iealth Department has requested <br /> additional explanations regarding the above-referenced project. <br /> The first question raised conccmcd the differences in animal numbers used in the calculations on <br /> Page 8 and Page 9. As indicated at the top of each of these Pages,the calculations on Page 8 are <br /> a <br /> for current nitrogen production at the Quaresma Dairy,and Page 9 are the calculations for <br /> nitrogen production if Mr.Quaresma decides to expand his facility. The Page 9 calculations <br /> demonstrate that the facility could expand to the animal units indicated,including support stock, <br /> and remain under a theoretical nitrogen deficit. A theoretical nitrogen deficit would still occur <br /> even after the application of manure solids and liquids to all 510 acres controlled by Mr, <br /> Quaresma. ''hese cropland calculations are illustrated on Page 10. <br /> "fhe second question is in regards to support stock. This is also denoted on Page S and Page 9, <br /> with the numbers of heifers,calves and babies that will be raised on-site. <br /> As stated on Page 11,monitoring wells are not recommended because it is a simple procedure to <br /> hand-drill to the water table,approximately nine feet below grade. Instead of installing <br /> stationary wells,a water table sample could be retrieved from any location on the facility. <br /> Regarding the soil export grading that took place, it has bCCn my experience that since there is <br /> only a slight change in soil texture between the root zone of the original surface soil and the root <br /> zone of the current soil surface,there should be little difference in crop uptake and utilization. 1 <br /> have personally been involved in several land reclamation projects where manure solids, <br /> manured liquid and other soil amendments were used to build-up the nutrient capacity of a <br /> subsoil. It is my opinion that reclamadva proccJures arc not required lbr the sub.^.uils that are <br /> now surface soils. <br /> Page I of 2 <br /> PO.Box 3794 t 'lurlock,California 95381 • (209)668-1403 c Fax(209)668-2598 <br />