This feature class is converted from GPS coordinates obtained using a GPSmap 60CSx unit from Garmin in the field by AEI Consultants. The attribute information is filled with contaminant (Arsenic, Lead, Mercury) concentrations of soils derived from the Shallow Subsurface Investigation provided by AEI Consultants dated on January 11, 2013. For more information on soil sampling field procedures, refer to the following source documents: AEI Consultants, Peter J. McIntyre, C.E.M., October 16, 2012, Draft Phase II Subsurface Investigation Work Plan Carson River Estates, Dayton, Nevada, report to Jack Yates, NDEP, Unpublished, AEI Consultants, Bryan Campbell, Program Manager, October 31, 2012, Identification of Revisions to the Draft Phase II Subsurface Investigation Work Plan Carson River Estates, Dayton, Nevada date October 16, 2012, Electronic mail correspondence to Jeff Collins, NDEP, Unpublished, AEI Consultants, Peter J. McIntyre, C.E.M., January 11, 2013, Shallow Subsurface Investigation, Property Identification: Carson River Estates, Dayton, Nevada, report to Chris Carlson, Sr. Vice-President, City National Bank, Unpublished. Note: Generally, five composite sample points are respectively collected at the front and backyard in one parcel. However errors occurred in two parcels: APN=2952402 and APN=2952202. In the parcel 2952402, there are nine sample points. The other sample point (Sample ID=524-02-05) is found at the parcel 2952202 and overlied with one sample points (Sample ID=522-02-04) of the parcel 2952202. According to checking the Shallow Subsurface Investigation provided by AEI Consultants dated on January 11, 2013, the originial GPS coordinates of both sample points (Sample ID=524-02-05 and Sample ID=522-02-04) are the same.