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SAN JOAQUIN COUNTY ENVIRONMENTAL HEALTH DEPARTMENT t n 304 E Weber Avenue 3 Floor Stockton- CA 95202-2708 5= (209)468-3420-Fax:(209)464-0138 - Web:www.co.san-joaquin.ca.us/ehd NITRATE LOADING STUDY REQUIREMENT CHECKLIST SITE LOCATION: 17247 VIII.BACON ISLAND ROAD,STOCKTON PA#: ( ) REPORT DATE: 1/12/2009 1 S = Sufficient San Joaquin County Development Title Chapter 9-1105, Section 9-1105.2 I = Insufficient S I 7.0 CHEMICAL AND PHYSICAL PROPERTIES OF SOIL ®� ❑ 1.1 Description of the chemical and physical properties of the soils underlying the site. ®� ❑ 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 ®� ❑ 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. ®�f ❑ 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 ❑ 3.1 Description of all current off-site sources of nitrate to sail and groundwater in the general up gradient area and the contribution of nitrate load from these sources to the project site. ®� ❑ 3.2 Description of impact of rainfall contribution of nitrate load to the project site. y- ®V ❑ 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. E ❑ 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 ®1/ ❑ 4.1 Discussion of total nitrate impact from proposed project. E V ❑ 4.2 Description of the methods proposed to mitigate any known or future impact to soil and groundwater from nitrate, and/or any other constituent of concern,at and/or around the project site. 5.0 CONCLUSIONS AND RECOMMENDATIONS SECTION ® I/ ❑ 5.1 The report was signed, dated and stamped by a qualified environmental professional. E V1 ❑ 5.2 The attachments/appendices contain sufficient documentation to support claims made in the report. Reviewed By: Michael F. Escotto Reviewed Date: 2/20/2009 EHD 26-02-002 Pagel of 2 Surface&Sub Checklist 7/14/2003