# dtsc_regions

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Summary

Show DTSC Regions

Description

The 'DTSCREGIONS' layer represents the California Department of Toxic Substance Control regions. The library layer is a polygon coverage which shows the regional boundaries, as of 1990, and gives the region name. DTSC regions are large areas which are based on aggregations of counties, for the most part. The split in Los Angeles County between Regions 3 and 4 is State Route 91. There are 4 regions in the State.

Credits

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Use limitations

There are no access and use limitations for this item.

Extent

West | -124.409592 | East | -114.131211
North | 42.009518 | South | 32.534157

Scale Range
There is no scale range for this item.

## ArcGIS Metadata ▼►

## Citation ▼►

Titledtsc_regions
Publication date1992-01-01
Presentation formatsdigital map
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## Citation Contacts ▼►

Responsible party

Organization's nameDTSC
Contact's rolepublisher

Contact information ▼►

Address

Delivery pointDTSC

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Responsible party

Organization's nameDTSC
Contact's roleoriginator

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## Resource Details ▼►

Dataset languagesEnglish (UNITED STATES)
Statuscompleted
Spatial representation typevector
Supplemental information

      DATA DICTIONARY: DATAFILE NAME: DTSCREGA.PAT RECORD LENGTH: 48 COLUMN ITEM NAME WIDTH OUTPUT TYPE N.DEC ------------------------------------------------------------- 1 AREA 8 18 F 5 9 PERIMETER 8 18 F 5 17 DTSCREGA# 4 5 B - 21 DTSCREGA-ID 4 5 B - 25 REGION 24 24 C - AREA : The area of the polygon in square coverage units. PERIMETER : The length of the polygon perimeter of the polygon in coverage units. DTSCREGA# : The software-assigned unique integer identification number. DTSCREGA-ID : A user-assigned identifier number. REGION: The region name (Region 1 through Region 4).

Processing environmentMicrosoft Windows 7 Version 6.1 (Build 7601) Service Pack 1; Esri ArcGIS 10.2.0.3348
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## Extents ▼►

Extent

Description

      publication date

Temporal extent

Date and time1997

Extent

Geographic extent

Bounding rectangle

Extent typeExtent used for searching
West longitude-124.409592
East longitude-114.131211
South latitude32.534157
North latitude42.009518
Extent contains the resourceYes

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## Resource Maintenance ▼►

Resource maintenance

Update frequencynot planned

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## Resource Constraints ▼►

Legal constraints

Access constraintsother restrictions
Use constraintsother restrictions
Other constraints

      Access constraints: None

Legal constraints

Access constraintsother restrictions
Use constraintsother restrictions
Other constraints

      Access constraints: None

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## Spatial Reference ▼►

Reference system identifier

Value4269
CodespaceEPSG
Version8.1.1

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## Spatial Data Properties ▼►

Vector ▼►

Level of topology for this datasetgeometry only
Geometric objects

Object typecomposite
Object count4

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## Data Quality ▼►

Scope of quality information ▼►

Resource leveldataset

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Data quality report - Conceptual consistency ▼►

Measure descriptionDATA QUALITY ASSESSMENT: The following are subjective comments regarding this data. The layer is based on Teale's county lines as of 1990 and is complete; 4 districts are included. The county lines were digitized from 1:100,000 source material so the accuracy of the linework is inherited from that layer. Non-county linework was digitized from a variety of sources and is of fair-to-good accuracy. The only attribute for this layer is the region number. DATA CONTACT: Contact Name: Steve Flatt Contact's Phone: 916-464-4584

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## Lineage ▼►

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## Distribution ▼►

Distribution format

NameShapefile

Transfer options

Transfer size0.000
Online source

LocationServer=DTSC-GIS; Service=5151; Database=gis; User=gis; Version=sde.DEFAULT

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## Fields ▼►

Details for object dtsc_regions ▼►

Field FID
▼►

Field description

      Internal feature number.

Description source

      Esri

Description of valuesSequential unique whole numbers that are automatically generated.

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Field DTSC_REG
▼►

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Field Cnt_DTSC_R
▼►

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Field Shape
▼►

Field description

      Feature geometry.

Description source

      ESRI

Description of valuesCoordinates defining the features.

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Field Shape_area
▼►

Field description

      Area of feature in internal units squared.

Description source

      Esri

Description of valuesPositive real numbers that are automatically generated.

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Field Shape_len
▼►

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## Metadata Details ▼►

Metadata languageEnglish (UNITED STATES)
Scope of the data described by the metadatadataset
Scope namedataset
Last update2014-07-24
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## Metadata Contacts ▼►

Metadata contact

Individual's nameFiona Renton
Organization's nameDTSC
Contact's rolepoint of contact

Contact information ▼►

Phone

Voice916 324 9235

Address

CitySacramento
Administrative areaCA
Postal code95816

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## FGDC Metadata (read-only) ▼►

## Identification ▼►

  Citation
    Citation Information
      Originator DTSC
      Publication Date 1992
      Title
        DTSC Regions
      Geospatial Data Presentation Form vector digital data
      Publication Information
        Publication Place DTSC
        Publisher DTSC
      Online Linkage Server=DTSC-GIS; Service=5151; Database=gis; User=gis; Version=sde.DEFAULT
  Description
    Abstract

                                        The 'DTSCREGIONS' layer represents the California Department
            of Toxic Substance Control regions. The library layer
            is a polygon coverage which shows the regional boundaries,
            as of 1990, and gives the region name.

            DTSC regions are large areas which are based on aggregations
            of counties, for the most part. The split in Los Angeles
            County between Regions 3 and 4 is State Route 91. There
            are 4 regions in the State.

    Purpose

                                      Show DTSC Regions

    Supplemental Information

                                       DATA DICTIONARY:

                DATAFILE NAME: DTSCREGA.PAT
                RECORD LENGTH: 48

            COLUMN   ITEM NAME WIDTH    OUTPUT   TYPE     N.DEC
            -------------------------------------------------------------
              1  AREA                8   18   F    5
              9  PERIMETER           8   18   F    5
             17  DTSCREGA#           4    5   B    -
             21  DTSCREGA-ID         4    5   B    -
             25  REGION             24   24   C    -

            AREA      : The area of the polygon in square coverage units.

            PERIMETER : The length of the polygon perimeter of the polygon
                        in coverage units.

            DTSCREGA# : The software-assigned unique integer identification
                        number.

            DTSCREGA-ID : A user-assigned identifier number.

            REGION:  The region name (Region 1 through Region 4).

  Time Period of Content
    Time Period Information
      Single Date/Time
        Calendar Date 1997
    Currentness Reference

                                      publication date

  Status
    Progress Complete
    Maintenance and Update Frequency None planned
  Spatial Domain
    Bounding Coordinates
      West Bounding Coordinate -124.506027
      East Bounding Coordinate -113.498411
      North Bounding Coordinate 42.068504
      South Bounding Coordinate 32.423628
  Keywords
  Access Constraints

                                None

  Use Constraints

                                None

  Native Data Set Environment
    Microsoft Windows 2000 Version 5.0 (Build 2195) Service Pack 2; ESRI ArcCatalog 8.2.0.700

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## Data Quality ▼►

  Logical Consistency Report

                                DATA QUALITY ASSESSMENT:

          The following are subjective comments regarding this data.

          The layer is based on Teale's county lines as of 1990 and is
          complete; 4 districts are included. The county lines
          were digitized from 1:100,000 source material so the
          accuracy of the linework is inherited from that layer.
          Non-county linework was digitized from a variety of sources
          and is of fair-to-good accuracy. The only attribute for this
          layer is the region number.

          DATA CONTACT:

          Contact Name:      Steve Flatt
          Contact's Phone:   916-464-4584

  Lineage
    Process Step
      Process Description

                                            Dataset copied.

    Process Step
      Process Description

                                            Dataset copied.

      Source Used Citation Abbreviation
        Server=DTSC-GIS; Service=5151; Database=gis; User=gis; Version=sde.DEFAULT
      Process Date 2011-01-18
      Process Time 09:53:08

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## Spatial Reference ▼►

  Horizontal Coordinate System Definition
    Geodetic Model
      Horizontal Datum Name North American Datum of 1983
      Ellipsoid Name Geodetic Reference System 80
      Semi-major Axis 6378137.000000
      Denominator of Flattening Ratio 298.257222
  Vertical Coordinate System Definition
    Altitude System Definition
      Altitude Resolution 1.000000
      Altitude Encoding Method Explicit elevation coordinate included with horizontal coordinates

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## Entities and Attributes ▼►

  Detailed Description
    Entity Type
      Entity Type Label dtsc_regions
    Attribute
      Attribute Label FID
      Attribute Definition
        Internal feature number.
      Attribute Definition Source Esri
      Attribute Domain Values
        Unrepresentable Domain
          Sequential unique whole numbers that are automatically generated.
    Attribute
      Attribute Label DTSC_REG
    Attribute
      Attribute Label Cnt_DTSC_R
    Attribute
      Attribute Label Shape
      Attribute Definition
        Feature geometry.
      Attribute Definition Source ESRI
      Attribute Domain Values
        Unrepresentable Domain
          Coordinates defining the features.
    Attribute
      Attribute Label Shape_area
      Attribute Definition
        Area of feature in internal units squared.
      Attribute Definition Source Esri
      Attribute Domain Values
        Unrepresentable Domain
          Positive real numbers that are automatically generated.
    Attribute
      Attribute Label Shape_len

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## Metadata Reference ▼►

  Metadata Date 2004-02-13
  Metadata Contact
    Contact Information
      Contact Organization Primary
        Contact Organization DTSC
        Contact Person Fiona Renton
      Contact Address
        Address Type physical address
        City Sacramento
        State or Province CA
        Postal Code 95816
      Contact Voice Telephone 916 324 9235
  Metadata Standard Name FGDC Content Standards for Digital Geospatial Metadata
  Metadata Standard Version FGDC-STD-001-1998
  Metadata Time Convention local time

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