Non Attainment Areas (Carbon Monoxide) - Data Dictionary
Abstract: Non-attainment and maintenance areas for the United States and its territories. For more detailed information on this dataset, see the Overview Description in the Entity Attribute section of this document.
Purpose: To establish the spatial boundaries of each nonattainment and maintenance area.
Field Number
Attribute
Description
Data Type
0
FID
Internal feature number.
Long Integer representing an object identifier
1
Shape
Feature geometry.
Geometry
2
ID
Sequential Unique Identifier
Double Precision Floating Point
3
AREA
Area of the polygon
Double Precision Floating Point
4
AREA_NAME
Name of the NAA as designated by the EPA
Character String
5
STATE1
Primary state in which NAA is found
Character String
6
STATE2
Additional state with territory included in the NAA
Character String
7
STATE3
Additional state with territory included in the NAA.
Character String
8
EPA_REGION
Primary EPA region in which the NAA is found
Character String
9
EPA_REGIO1
Additional EPA region with territory included in the NAA.
Character String
10
STATUS
Current status of the area as designated by the EPA.
Character String
11
CLASSIFICA
Severity classification as identified by the EPA.
Character String
12
ATTAINMENT
Date or year in which the area received its current classification by the EPA.
Character String
13
COMMENTS
Additional clarifying information on the status or characteristics of the area.
