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U. <br />,oPQ" �o SAN JOAQUIN COUNTY <br />ENVIRONMENTAL HEALTH DEPARTMENT <br />w; <br />_ 304 E Weber Avenue 3rd Floor Stockton • CA 95202-2708 <br />(209) 468-3420 • Fa -v: (209) 464-0138 • Web: www.co.san-joaquin.ca.us/ehd <br />FOR <br />NITRATE LOADING STUDY REQUIREMENT CHECKLIST <br />�// RECORD ID: 5Aoo 8g674r <br />SITE LOCATION: 32`71 f �� dC� i�`� �Gc�,�r2�lo gSu� REPORT DATE: 2- <br />S = Sufficient San Joaquin County Development Title Chapter 9-1105, Section 9-1105.2 <br />[ _ Insufficient <br />S I 1.0 CHEMICAL AND PHYSICAL PROPERTIES OF SOIL <br />�( ❑ 1.1 Description of the chemical and physical properties of the soils underlying the site. <br />❑ 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 />❑ 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 />site. <br />® ❑ 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 />❑ 3.1 Description of all current off-site sources of nitrate to soil and groundwater in the general up gradient area and the <br />Lilacontribution of nitrate load from these sources to the project site. <br />tS <br />❑ <br />3.2 <br />Description of impact of rainfall contribution of nitrate load to the project site. <br />❑ <br />3.3 <br />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 />�C <br />❑ <br />3.4 <br />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 />❑ <br />3.5 <br />Calculated mass balance of nitrogen loading considering all potential sources identified. Use of <br />Hanztch/Finnemore, or other appropriate formula/model, if applicable. <br />© <br />❑ <br />3.6 <br />Calculated impact of nitrogen loading from site project to down gradient wells, rivers, lakes etc. <br />4.0 <br />DISCUSSION OF NITRATE LOADING RESULTS RELATIVE TO PROPOSED METHOD <br />OF WASTEWATER DISPOSAL <br />19 ❑ 4.1 Discussion of total nitrate impact from proposed project. <br />❑ 4.2 Description of the methods proposed to mitigate any known or future impact to soil and groundwater from nitrate, <br />and/or any other constituent of concern, at and/or around the project site. <br />5.0 CONCLUSIONS AND RECOMMENDATIONS SECTION <br />R ❑ 5.1 The report was signed, dated and stamped by a qualified environmental professional. <br />,K ❑ 5.2 The attachments/appendices contain sufficient documentation to support claims made in the report. <br />Reviewed By: -crecl C4'S (J (acs (e- Reviewed Date: `1/yhal <br />EHD 26-02-002 Page 1 of 2 Nitrate Loading Study Checklist <br />7/142003 <br />