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op�? (N C1r SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DEPARTMENT <br /> 304 E Weber Avenue 3`d Floor Stockton-CA 95202-2708 <br /> ' J (209)468-3420 -Fax:(209)464-0138 - Web:www.co.san-ioaquin.ca.us/ehd <br /> NITRATE LOADING STUDY REQUIREMENT CHECKLIST <br /> PA#: 07-260 $261 (GP/ZR) <br /> SITE LOCATION: 10420 N. STATE ROUTE 99, STOCKTON IIII <br /> REPORT GATE: 5/17/2007 9 <br /> I <br /> S = Sufficient San Joaquin County Development Title Chapter 9-1105, Section 9-1105.2 <br /> I = Insufficient <br /> S I 1.0 CHEMICAL AND PHYSICAL PROPERTIES OF SOIL V <br /> ® / ❑ 1.1 Description of the chemical and physical properties of the soils underlying the site. <br /> N✓ ❑ 1.2 Description of the mass transport properties of the soils underlying the site with respect to nitrate and/or any other <br /> constituent of concern identified for the project site. <br /> 2.0 GROUNDWATER ANALYSIS <br /> N✓ ❑ 2.1 Description of. depth to groundwater, seasonal fluctuations of groundwater depth, directional flow and gradient. <br /> ® ✓ ❑ 2.2 Description/discussion of any existing or potential groundwater contamination issues in the general location of the <br /> E site. <br /> N ,/ ❑ 2.3 Description of the current use of groundwater at the site and of the future expected use of groundwater as related <br /> to the proposed development project. <br /> 3.0 SOURCES AND CALCULATED IMPACT OF NITRATE TO GROUNDWATER <br /> N ✓ ❑ 3.1 Description of all current off-site sources of nitrate to soil and groundwater in the general up gradient area and the <br /> contribution of nitrate load from these sources to the project site. <br /> —_ N ❑ ✓ 3.2 Description of impact of rainfall contribution of nitrate load to the project site. DAW &,o7 !a p <br /> ® ✓ ❑ 3.3 Description of all current on-site sources of nitrate to soil and groundwater and the contribution of nitrate load from <br /> these sources to the project site. <br /> N ,/ ❑ 3.4 Description of all proposed future on-site sources of nitrate to soil and groundwater and the contribution of nitrate <br /> load from these sources to the project site. <br /> ®� ❑ 3.5 Calculated mass balance of nitrogen loading considering all potential sources identified. Use of <br /> HanztchlFinnemore, or other appropriate formulalmodel, if applicable. <br /> N✓ ❑ 3.6 Calculated impact of nitrogen loading from site project to down gradient wells, rivers, lakes etc. <br /> 4.0 DISCUSSION OF NITRATE LOADING RESULTS RELATIVE TO PROPOSED METHOD <br /> OF WASTEWATER DISPOSAL <br /> N o/ ❑ 4.1 Discussion of total nitrate impact from proposed project. <br /> OV ❑ 4.2 Description of the methods proposed to mitigate any known or future impact to soil and groundwater from nitrate, <br /> andlor any other constituent of concern, at and/or around the project site. <br /> 5.0 CONCLUSIONS AND RECOMMENDATIONS SECTION <br /> N✓ ❑ . 5.1 The report was signed,dated and stamped by a qualified environmental professional. <br /> N ❑y/ 5.2 The attachments/appendices contain sufficient documentation to support claims made in the report. .Scnc <br /> /O <br /> rd 317- <br /> Reviewed <br /> •2Reviewed By: Michael F. Escotto Reviewed Date: 6/26/2007 <br /> EHD 26-02-M Pagel of 2 Surfh= Sub chest <br /> 7/14/2003 <br />