Esri ArcGIS 12.9.0.32739 1 -118.944862 -116.518311 34.818133 32.803119 File Geodatabase Feature Class dataset EPSG 6.2(3.0.1) 1 Simple FALSE 1 TRUE FALSE no2_1971_standard Feature Class 1 OBJECTID OBJECTID OID 4 0 0 Internal feature number. Esri Sequential unique whole numbers that are automatically generated. Shape Shape Geometry 0 0 0 Feature geometry. Esri Coordinates defining the features. composite_id Composite ID String 50 0 0 composite_id_with_state Composite ID with State String 53 0 0 composite_id2 Composite ID String 50 0 0 pollutant_name Pollutant String 50 0 0 area_name Area String 112 0 0 state_suffix State Suffix String 11 0 0 state_abbreviation State Abbr. String 2 0 0 fips_state State FIPS String 2 0 0 state_name State String 30 0 0 epa_region EPA Region Integer 4 0 0 epa_region_roman EPA Region in Roman Numerals String 4 0 0 epa_region_office EPA Regional Office City String 13 0 0 designation_pub_date Designation Publication Date Date 8 0 0 designation_effective_date Designation Effective Date Date 8 0 0 designation_citation Designation String 13 0 0 designation_url Designation URL String 150 0 0 statutory_attainment_date Statutory Attainment Date Date 8 0 0 current_status Current Status String 29 0 0 classification_pub_date Classification Publication Date Date 8 0 0 classification_effective_date Classification Effective Date Date 8 0 0 classification_citation Classification Citation String 13 0 0 classification_url Classification URL String 150 0 0 classification Classification String 26 0 0 population_2010 Population 2010 Integer 4 0 0 dv_units Design Value Units String 30 0 0 original_design_value Original Design Value Single 4 0 0 original_dv24 Original Design Value 24hr Single 4 0 0 original_dv_years Original Design Value Years String 9 0 0 design_value Design Value Single 4 0 0 dv24 Design Value 24hr Single 4 0 0 dv_years Design Value Years String 9 0 0 meets_naaqs Meets NAAQS String 30 0 0 cdd_proposed_pub_date Clean Data Determination Proposed Pub Date Date 8 0 0 cdd_proposed_citation Clean Data Determination Proposed Citation String 13 0 0 cdd_proposed_url Clean Data Determination Proposed URL String 150 0 0 cdd_final_pub_date Clean Data Determination Final Pub Date Date 8 0 0 cdd_effective_date Clean Data Determination Effective Date Date 8 0 0 cdd_final_citation Clean Data Determination Final Citation String 13 0 0 cdd_final_url Clean Data Determination Final URL String 150 0 0 daa_proposed_pub_date Determination of Attainment Proposed Pub Date Date 8 0 0 daa_proposed_citation Determination of Attainment Proposed Citation String 13 0 0 daa_proposed_url Determination of Attainment Proposed URL String 150 0 0 daa_final_pub_date Determination of Attainment Final Pub Date Date 8 0 0 daa_effective_date Determination of Attainment Effective Date Date 8 0 0 daa_final_citation Determination of Attainment Final Citation String 13 0 0 daa_final_url Determination of Attainment Final URL String 150 0 0 redesignation_proposed_pub_dat Redesignation Proposed Pub Date Date 8 0 0 redesignation_proposed_citatio Redesignation Proposed Citation String 13 0 0 redesignation_proposed_url Redesignation Proposed URL String 150 0 0 redesignation_final_pub_date Redesignation Final Pub Date Date 8 0 0 redesignation_effective_date Redesignation Effective Date Date 8 0 0 redesignation_final_citation Redesignation Final Citation String 13 0 0 redesignation_final_url Redesignation Final URL String 150 0 0 projected_redesignation_date Projected Redesignation Date Date 8 0 0 aggregationMethod aggregationMethod String 256 0 0 HasData HasData Integer 4 0 0 ORIGINAL_OID ORIGINAL_OID Integer 4 0 0 sourceCountry sourceCountry String 256 0 0 populationtotals_totpop_cy 2021 Total Population Double 8 0 0 populationtotalspl94_totpop20 2020 Total Population Double 8 0 0 Shape_Length Shape_Length Double 8 0 0 Length of feature in internal units. Esri Positive real numbers that are automatically generated. Shape_Area Shape_Area Double 8 0 0 Area of feature in internal units squared. Esri Positive real numbers that are automatically generated. 20220204