Layer: Incremental_Sampling_Study_CRMS_2019

View In: Map Viewer

Name: Incremental_Sampling_Study_CRMS_2019_ICFandEPA

Display Field: DU_Name

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This dataset contains final results for XRF and select laboratory results for the 2019 Carson River Mercury Site Incremental Sampling Field Study. Incremental samples were collected from three separate areas within the CRMS: Six Mile Canyon Area near Mark Twain, NV; California Pan Mill in Virginia City, NV; and Sacramento Mill in Virginia City, NV. The purpose of the data collection was to help characterize the extent of Hg, Pb, and As in surface (0 to 6-inch) and in some locations subsurface (0 to 24-inch) soils in the three study areas. A secondary purpose of the study was to demonstrate incremental sampling techniques and field XRF analysis to EPA Region 9 and NDEP Staff. The XRF results columns in the attribute table were generated by XRF data collected in accordance with the EPA-Approved Quality Assurance Project Plan and are considered definitive results suitable for project decisions. 30-point incremental samples were sieved to the 100-mesh fraction, placed “interference free” XRF read bags, and analyzed with EPA Headquarters’ Niton XRF. At least two XRF measurements were collected on each side of the bag resulting in at least four readings that were used to calculate the sample bag average that appears in the XRF Results columns for Hg, Pb, and As. If triplicate results were collected for a given sample, the mean is reported in the XRF Results columns for Hg, Pb, and As and the results for each of the three replicates are detailed in the XRF Notes column. Metadata

Copyright Text: ICF, U.S. EPA

Min. Scale: 0

Max. Scale: 0

Default Visibility: true

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

Drawing Info:

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HasZ: false

HasM: false

Has Attachments: false

Has Geometry Properties: true

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Object ID Field: OBJECTID

Unique ID Field:

Global ID Field:

Type ID Field:

Fields:

OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
DU_Name (type: esriFieldTypeString, alias: DU_Name, SQL Type: sqlTypeOther, length: 15, nullable: true, editable: true)
GlobalID (type: esriFieldTypeString, alias: GlobalID, SQL Type: sqlTypeOther, length: 36, nullable: true, editable: true)
CreationDa (type: esriFieldTypeString, alias: CreationDa, SQL Type: sqlTypeOther, length: 9, nullable: true, editable: true)
EditDate (type: esriFieldTypeString, alias: EditDate, SQL Type: sqlTypeOther, length: 9, nullable: true, editable: true)
XRF_Hg_ppm (type: esriFieldTypeString, alias: XRF_Hg_ppm, SQL Type: sqlTypeOther, length: 3, nullable: true, editable: true)
XRF_Pb_ppm (type: esriFieldTypeString, alias: XRF_Pb_ppm, SQL Type: sqlTypeOther, length: 4, nullable: true, editable: true)
XRF_As_ppm (type: esriFieldTypeString, alias: XRF_As_ppm, SQL Type: sqlTypeOther, length: 4, nullable: true, editable: true)
DU_Type (type: esriFieldTypeString, alias: DU_Type, SQL Type: sqlTypeOther, length: 17, nullable: true, editable: true)
Acreage (type: esriFieldTypeDouble, alias: Acreage, SQL Type: sqlTypeOther, nullable: true, editable: true)
Lab_mgkg (type: esriFieldTypeString, alias: Lab_mgkg, SQL Type: sqlTypeOther, length: 15, nullable: true, editable: true)
Lab_Notes (type: esriFieldTypeString, alias: Lab_Notes, SQL Type: sqlTypeOther, length: 240, nullable: true, editable: true)
XRF_Notes (type: esriFieldTypeString, alias: XRF_Notes, SQL Type: sqlTypeOther, length: 200, nullable: true, editable: true)
Shape__Area (type: esriFieldTypeDouble, alias: Shape__Area, SQL Type: sqlTypeDouble, nullable: true, editable: false)
Shape__Length (type: esriFieldTypeDouble, alias: Shape__Length, SQL Type: sqlTypeDouble, nullable: true, editable: false)

Templates:

Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 5/25/2022 8:44:49 PM

Schema Last Edit Date: 5/25/2022 8:44:49 PM

Data Last Edit Date: 5/25/2022 8:44:49 PM

Supported Operations: Query Query Top Features Query Analytic Query Bins Generate Renderer Validate SQL Get Estimates ConvertFormat

Layer: Incremental_Sampling_Study_CRMS_2019_ICFandEPA (ID:17)