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SAN JOAQUIN COUNTY 2` ENVIRONMENTAL HEALTH DEPARTMENT e: w; 1868 East Hazelton Avenue, Stockton, CA 95202-3029 �L Telephone:(209)468-3420 Fax:(209)464-0138 Web:www.sjgov.org/ehd NITRATE LOADING STUDY REQUIREMENT CHECKLIST SITE LOCATION: PA#: / YG✓rc 'i f/")i Jrr / REPORT DATE: q S = Sufficient San Joaquin County Development Title Chapter 9-1105, Section 9-1105.2 I = Insufficient S I 1.0 CHEMICAL AND PHYSICAL PROPERTIES OF SOIL [3" ❑ 1.1 Description of the chemical and physical properties of the soils underlying the site. 3 2 ❑ 1.2 Description of the mass transport properties of the soils underlying the site with respect to nitrate and/or any other constituent of concern identified for the project site. 2.0 GROUNDWATER ANALYSIS 9[ ❑ 2.1 Description of: depth to groundwater, seasonal fluctuations of groundwater depth, directional flow and gradient. ❑ 2.2 Description/discussion of any existing or potential groundwater contamination issues in the general location of the site. IV ® ❑ 2.3 Description of the current use of groundwater at the site and of the future expected use of groundwater as related to the proposed development project. / �f 3.0 SOURCES AND CALCULATED IMPACT OF NITRATE TO GROUNDWATER F1, ❑ 3.1 Description of all current off-site sources of nitrate to soil and groundwater in the general up gradient area and the contribution of nitrate load from these sources to the project site. ® ❑ 3.2 Description impact of rainfall contribution of nitrate load to the project site. F] 3.3 Description of ll current on-site sources of nitrate to soil and groundwater and the contribution of nitrate load from these sces to the project site. 0 r-13.4 DescriptioA of Al proposed future on-site sources of nitrate to soil and groundwater and the contribution of nitrate load from these sources to the project site. 61 [71 ❑ 3.5 Calculated mass balance of nitrogen loading considering all potential sources identified. Use of Hanztch/Finnemore, or other appropriate formula/model, if applicable. e �] ❑ 3.6 Calculated impact of nitrogen loading from site project to down gradient wells, rivers, lakes etc. 4.0 DISCUSSION OF NITRATE LOADING RESULTS RELATIVE TO PROPOSED METHOD OF WASTEWATER DISPOSAL [ ❑ 4.1 Discussion of total nitrate impact from proposed project. I V ❑ 4.2 Description of the methods proposed to mitigate any known or future impact to soil and groundwater from nitrate, and/or in other constituent of concern,at and/or around the orolect site. 5.0 CONCLUSIONS AND RECOMMENDATIONS SECTION ❑ 5.1 The report was signed, dated and stamped by a qualified environmental professional. ❑ 5.2 The attachments/appendices contain sufficient documentation two support claims made in the report. Reviewed By: /�,Q�l i<y�a.-�a� �7— .Reviewed Date: 5/4 ' ' EHD 26-02 Page 1 of 2 Surface&Sub Checklist 7/14/2003