Data sets tagged with "quality"

NWIS supports the acquisition, processing, storage and dissemination of information about water quantity and quality collected at over 1.5 million sites around the U.S. As a long-term database and information delivery system, NWIS provides continual access to data collected over the last 100+ years, as well as real-time data on streamflow, etc. Additional facts available ...

A KMZ file with the location of all the EPA ambient ozone monitors with the ability to download data from within the description box. Additional facts from data.gov Dataset Summary Date Released: 01/01/2009 Date Updated: 09/07/2009 Time Period: 1990 – 2009 Data.gov Data Category Type: Raw Data Catalog Frequency: Hourly Specialized Data Category Designation: ...

Nephelometer data (conforms to IMPROVE network standards) from October 1993 to June 2002. This table is no longer updated. Additional facts from data.gov Dataset Summary Date Released: 10/1/1993 Date Updated: 6/30/2002 Time Period: 10/1993 – 6/2002 Data.gov Data Category Type: Raw Data Catalog Frequency: Hourly Specialized Data Category Designation: Administrative ...

8-hour daily maximum ozone concentrations as measured by the Clean Air Status and Trends Network (CASTNET) Additional facts from data.gov Dataset Summary Date Released: 4/1/1987 Date Updated: 5/5/2009 Time Period: 8-hour maximum over a single day Data.gov Data Category Type: Raw Data Catalog Frequency: Daily, for each operating day of each station Specialized Data ...

Current allowance holdings for entities regulated under CAIR NOx Ozone Season cap and trade program … power plants and other facilities Additional facts from data.gov Dataset Summary Date Released: 2009-09-15 Date Updated: 2009-09-15 Time ...

Ambient PM2.5 (particulate matter less than 2.5 microns) concentrations from the national ambient air quality monitoring networks stored in the Air Quality System (AQS). Additional facts from data.gov Dataset Summary Date Released: 04/10/2008 Date Updated: 06/04/2009 Time Period: 1 year (2007) Data.gov Data Category Type: Raw Data Catalog Frequency: Daily (or 1 day ...

National scope of NAWQA water-quality sample- and laboratory-result data and other supporting information obtained from NWIS systems hosted by individual Water Science Centers as well as national BioTDB system for aquatic biological data on communities and habitats and stored in a centralized NAWQA Data Warehouse (DWH) Additional facts from data.gov Dataset Summary Date ...

Ambient ozone concentrations for 2008 from the national ambient air quality monitoring networks stored in the Air Quality System (AQS). Additional facts from data.gov Dataset Summary Date Released: 01/14/2009 Date Updated: 06/02/2009 Time Period: 1 year (2008) Data.gov Data Category Type: Raw Data Catalog Frequency: Hourly Specialized Data Category Designation: ...

A KML file with the location of all real time air quality monitors and the current conditions (air quality index). Additional facts from data.gov Dataset Summary Date Released: 11/27/2007 Date Updated: 09/10/2009 Time Period: Current conditions Data.gov Data Category Type: Raw Data Catalog Frequency: Hourly Specialized Data Category Designation: Administrative ...

Ambient ozone concentrations for 2007 from the national ambient air quality monitoring networks stored in the Air Quality System (AQS). Additional facts from data.gov Dataset Summary Date Released: 07/28/2008 Date Updated: 06/02/2009 Time Period: 1 year (2007) Data.gov Data Category Type: Raw Data Catalog Frequency: Hourly Specialized Data Category Designation: ...

Current “allowance holdings” for entities regulated under Acid Rain “cap and trade” program … power plants and other facilities Additional facts from data.gov Dataset Summary Date Released: 09/15/2009 Date Updated: 09/15/2009 Time Period: Real Time Data.gov Data Category Type: Raw Data Catalog Frequency: not applicable Specialized Data Category ...

Ambient PM2.5 (particulate matter less than 2.5 microns) concentrations from the national ambient air quality monitoring networks stored in the Air Quality System (AQS). Additional facts from data.gov Dataset Summary Date Released: 04/15/2008 Date Updated: 06/04/2009 Time Period: 1 year (2008) Data.gov Data Category Type: Raw Data Catalog Frequency: Daily (or 1 day ...

National scope of USGS water quality sample and laboratory result data and information obtained from the NWIS/NWISWeb systems (the data available is a subset of NWISWeb) and NAWQA Data Warehouse Additional facts from data.gov Dataset Summary Date Released: 10/01/2008 Date Updated: Ongoing Time Period: 1900-present Data.gov Data Category Type: Raw Data Catalog ...

Current “allowance holdings” for entities regulated under CAIR NOx Annual “cap and trade” program … power plants and other facilities Additional facts from data.gov Dataset Summary Date Released: 09/15/2009 Date Updated: 09/15/2009 Time Period: real time Data.gov Data Category Type: Raw Data Catalog Frequency: not applicable Specialized Data Category ...

Currently Available Period of Record: April 1, 2000 through February 15, 2007. This program has produced seven years of water quality multiprobe data at the TFCF since April 2000. Additional facts from data.gov Dataset Summary Date Released: ...

Indicators of the quality of the regional electricity and gas datasets. Source agency: Energy and Climate Change Designation: Official Statistics not designated as National Statistics Language: English Alternative title: Regional electricity and gas quality indicators Import source: ONS-ons_hub_2009_03.xml External reference: ONSHUB National statistic: no Geographic ...

Provides data on response rates and other quality related issues for the Labour Force Survey (LFS). It provides breakdowns of response by LFS wave, region and by question specific response issues. Source agency: Office for National Statistics Designation: National Statistics Language: English Alternative title: LFSPQM October – December 2007 January – March 2008 ...