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i • W ` ,CPQ' ' .o I) SAN JOAQUIN COUNTY N ;f ENV�AONMENTAL HEALTH DEPARTM.LNT 304 E Weber Avenue 3`d Floor Stockton - CA 95202-2708 (209)468-3420- Fax:(209)464-0138 - Web:www.co.san-joaquin.ca.us/ehd aC!F'6 I NITRATE LOADING STUDY REQUIREMENT CHECKLIST PA#: 03-341 SITE LOCATION: 24126 S. CASE RD., TRACY REPORT DATE: 5114104 i S w Sufficient I = Insufficient San Joaquin County Development Title Chapter 9-1705,Section 9-1105.2 S I 1.0 CHEMICAL AND PHYSICAL PROPERTIES OF SOIL i 4 1.1 Description of the chemical and physical properties of the soils underlying the site. h ® ❑ p� pY � P A Y� 9 ® ❑ 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 I' ® ❑ 2.1 Description of: depth to groundwater, seasonal fluctuations of groundwater depth,directional flow and gradient. i [] ® 2.2 Description/discussion of any existing or potential groundwater contamination issues in the general location of the site. ® ❑ 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. i 3.0 SOURCES AND CALCULATED IMPACT OF NITRATE TO GROUNDWATER f ❑ ® 3.1 Description of all current off-site sources of nitrate to soil and groundwater in the general up gradient area and the l contribution of nitrate load from these sources to the project site. r ® ❑ 3.2 Description of impact of rainfall contribution of nitrate load to the project site. i ® ❑ 3.3 Description of all current on-site sources of nitrate to soil and groundwater and the contribution of nitrate load from these sources to the project site. ® ❑ 3.4 Description of all proposed future on-site sources of nitrate to soil and groundwater and the contribution of nitrate load from these sources to the project site. ❑ ® 3.5 Calculated mass balance of nitrogen loading considering all potential sources identified. Use of Hanztch/Finnemore, or other appropriate formula/model, if applicable. ❑ ® 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 l OF WASTEWATER DISPOSAL ® ❑ 4.1 Discussion of total nitrate impact from proposed project. ❑ ® 4.2 Description of the methods proposed to mitigate any known or future impact to soil and groundwater from nitrate, and/or anv other constituent of concern,at and/or around the project site. 5.0 CONCLUSIONS AND RECOMMENDATIONS SECTION .® ❑ 5.1 The report was signed,dated and stamped by a�g6al'fied environmental professional. ® ❑ 5.2 The attachmentslappendices contain sufficient documentation to support claims made in the report. Reviewed By: Justin Hess R.E.H.S. Reviewed Date: 814104 EHD 26-02-002 Page 1 of 2 Surface&Sub Checklist 7!1412003