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y SAN JOAQUIN COUNTY Z ENVIRONMENTAL HEALTH DEPARTMENT 600 East Main Street, Stockton,CA 95202-3029 Telephone:(209)468-3420 Fax:(209)464-0138 Web:www.sjgov.org/ehd •r pR NITRATE LOADING STUDY REQUIREMENT CHECKLIST SITE LOCATION: PA#: 11 - da 1 68 / S 2 �V is Cpl ` L V�f• �Sa-� REPORT DATE: j] i3 S = Sutt-icirnt San Joaquin County Development Title Chapter 9-1105,Section 9-1105.2 1 = InsutScirnl S I CO CHEMICAL AND PHYSICAL PROPERTIES OF SOIL Qg ❑ 1.1 Description of the chemical and physical properties of the soils underlying the site. ® El 1.2 Desctiption 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. 5 [ ❑ 2.2 Description4scussion of any existing or potential groundwater contamination issues in the general location of the site. 5 0 ❑ 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. J� 3.0 SOURCES AND CALCULATED IMPACT OF NITRATE TO GROUNDWATER ® ❑ 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 of impact of rainfall contribution of nitrate load to the project site. '� ❑ 3.3 DescnpTron 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. , 8 - // ! ri ❑ 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 b . ❑ ❑ 3.5 Calculated mass balance of nitrogen loading considering all potential sources identified. Use of Hanztch/Finnemore, or other appropriate formula/model,if applicable. � S- // /'��jF,7r ❑ 3.6 Calculated impact of nitrogen loading from sRe project to down adient 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. rk B—// �C ❑ 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. 4-12- 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 to support claims made in the report. Reviewed By: _2 Reviewed Date: ERD 2"2 Page I of 2 see a Sub Checklist 7/14/2003