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u o SAN JOAQUIN COUNTY _ ENVIRONMENTAL HEALTH DEPARTMENT 304 East Weber Avenue, 3rd Floor, Stockton, CA 95202-2708 P Telephone:(209)468-3420 Fax: (209)464-0138 Web:www.sjgov.org/ehd �IFORN NITRATE LOADING STUDY REQUIREMENT CHECKLIST PA#: 06 — 5 /9 SITE LOCATION: �j/ Wa [�„� ' REPORT DATE: 3 S = Insufficient 1 = Insufficient San Joaquin County Development Title Chapter 9-1105,Section 9-1105.2 S I 1.0 CHEMICAL AND PHYSICAL PROPERTIES OF SOIL [ ❑ 1.1 Description of the chemical and physical properties of the soils underlying the site. Q®' ❑ 1.2 Description 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. ( Ppb ) 2.0 GROUNDWATER ANALYSIS ®t ❑ 2.1 Description o . depth to groundwater, seasonal fluctuations of groundwater depth, directional flow and gradient. F] 2.2 Description/dssio f any existing or potential groundwater contamination issues in the general location of the site. Z� ® ❑ 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. G -�d 3.0 SOURCES AND CALCULATED IMPACT OF NITRATE TO GROUNDWATER [o .. ❑ 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. �l E. ❑ 3.2 DescripYlon �jpact of rainfall contribution of nitrate load to the project site. ❑ ❑ 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. (&a 3-) ® F-13.4 Description of all proposed future on- sources of nitrate to soil and groundwater and the contribution of nitrate load from these sources to the project sit . It yrl /,v S) ❑ 3.5 Calculated mass balance of nitrogen loo i onsiderin it potential sources identified. Use of Hanztch/Finnemore, or other appropriate formula/model, .Lf-applicable-r 9� { ❑ 3.6 Calculated impact of nitrogen loading from site project to un gradient wells, rivers, lakes etc. 4.0 DISCUSSION OF NITRATE LOADING RESULTS RPLATIVE TO PROPOSED METHOD OF WASTEWATER DISPOSAL �, ❑ 4.1 Discussion of total nitrate impact from proposed projec(it 6 j �2k ❑ 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. ! 6-� 5.0 CONCLUSIONS AND RECOMMENDATIONS SECTION e ❑ 5.1 The report was sign}d,dated and stamped by a qualified environmental professional. 0— ❑ 5.2 The attachT a WJappencontain sufficient documentation to support claims made in the report. Reviewed By: u eviewed Date: ��tb3 Eno 2e-02 Pagel of 2 Surface @ Sub Checklist 7/1412003