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J I. INTRODUCTION California Yards, LLC is proposing the development of an industrial site for the storage of construction equipment in the northwest corner(NWC) of Bird and Lovely Roads, east of Tracy. In compliance with San Joaquin County Environmental Health Department (EHD) requirements,this Report contains the Soil Suitability/Nitrate Loading Studies and operational detail for the proposed onsite wastewater treatment system(OWTS) for this project. These Studies provide the EHD with required information regarding the examination of the underlying soil and groundwater, nitrate loading potential and design parameters in conjunction with these findings. This report complies with San Joaquin County Development Title, Section 9-1105.2(d). Within the text of this Report, Bolded Section (§)numbers are referenced at the beginning of an applicable Paragraph(s), or Appendices that correspond with the EHD Requirements Checklist. Section Numbers referenced as SSS§, are sections applicable for the Soil Suitability Study Requirements Checklist. Section Numbers referenced as NLS§, are sections applicable for the Nitrate Loading Study Requirements Checklist. Other portions of text may also apply to other sections of the Checklists, but may not necessarily be referenced. NLS§2.3, SSS§3.1. This project is proposed to be constructed in two Phases; Phase I to include a modular office building and Phase II to include the construction of a 20,000 sf Shop Building. This report addresses Phase I exclusively. SSS§ 1.1, 1.2. The Site Plan found in Appendix G, has been produced by Wong Engineers, Inc., and illustrates the proposed improvements of the property. The SJC District Viewer Map indicates the subject Parcel is 21.83 acres. Present land use of the property is open land, a stormwater retention/infiltration pond, and four buildings including a modular home. The testing protocol has found the indigenous soils under the proposed filter bed disposal area to contain a predominately clay loam material possessing exceptional permeability, which is commonly observed in the Tracy area. i II. SOIL SUITABILITY STUDY FINDINGS A. SUBJECT PROPERTY AND SURROUNDING STUDY AREA INFORMATION SSS§ 1.1. Land use to the immediate north are industrial and commercial facilities. To the east, west and south is agricultural production land,primarily almond orchards and forage crops, mainly alfalfa. Sparse rural residential housing surrounds the subject property. SSS§3.1,3.2,13,3.4,3.5,3.6,3.7, 6.8. Applications for Repair Permits in the EHD files were reviewed to determine life spans of surrounding septic systems in a one-half mile radius. Four repairs/additions permits were found. Therefore, it appears that systems in this locale possess reasonable life spans. Copies of these Applications are found in Appendix F. Pa e -1- Chesney Consulting