Candor: EPA CASTNet Site
Site ID: 37-123-0001 · 35.2632°N, 79.8366°W
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Monitors
| Parameter | POC | First Year | Last Sample |
|---|---|---|---|
| Carbon disulfide | 1 | 2004 | 2024-06-29 |
| Carbon disulfide | 2 | 2011 | 2018-02-25 |
| Propylene | 1 | 2007 | 2024-06-29 |
| Propylene | 2 | 2011 | 2018-02-25 |
| Freon 114 | 1 | 2002 | 2024-06-29 |
| Freon 114 | 2 | 2011 | 2018-02-25 |
| Ethyl acetate | 1 | 2007 | 2007-06-29 |
| 1,3-Butadiene | 1 | 2004 | 2024-06-29 |
| 1,3-Butadiene | 2 | 2011 | 2018-02-25 |
| n-Pentane | 1 | 2007 | 2024-06-29 |
| n-Pentane | 2 | 2011 | 2019-08-31 |
| n-Hexane | 1 | 2004 | 2024-06-29 |
| n-Hexane | 2 | 2011 | 2019-08-31 |
| n-Heptane | 1 | 2004 | 2007-06-29 |
| Cyclopentane | 1 | 2007 | 2024-06-29 |
| Cyclopentane | 2 | 2011 | 2019-08-31 |
| Isoprene | 1 | 2007 | 2024-06-29 |
| Isoprene | 2 | 2011 | 2019-08-31 |
| Cyclohexane | 1 | 2004 | 2024-06-29 |
| Cyclohexane | 2 | 2011 | 2019-08-31 |
| Isobutene | 1 | 2007 | 2024-06-29 |
| Isobutene | 2 | 2011 | 2019-08-31 |
| Ethyl alcohol | 1 | 2009 | 2013-12-30 |
| Ethyl alcohol | 2 | 2011 | 2013-08-26 |
| n-Butyl alcohol | 1 | 2008 | 2013-12-30 |
| n-Butyl alcohol | 2 | 2011 | 2013-08-26 |
| 2-Propanol | 1 | 2007 | 2013-12-30 |
| 2-Propanol | 2 | 2011 | 2013-08-26 |
| Butyraldehyde & isobutyraldehyde | 6 | 2003 | 2006-06-28 |
| Chlorodifluoromethane | 1 | 2007 | 2024-06-29 |
| Chlorodifluoromethane | 2 | 2011 | 2019-08-31 |
| Methyl tert-butyl ether | 1 | 2004 | 2024-06-29 |
| Methyl tert-butyl ether | 2 | 2011 | 2018-02-25 |
| Vinyl acetate | 1 | 2007 | 2024-06-29 |
| Vinyl acetate | 2 | 2011 | 2019-08-31 |
| Formaldehyde | 3 | 2006 | 2024-09-27 |
| Formaldehyde | 4 | 2014 | 2020-02-27 |
| Formaldehyde | 6 | 2003 | 2006-06-28 |
| Acetaldehyde | 1 | 2009 | 2013-12-30 |
| Acetaldehyde | 2 | 2011 | 2013-08-26 |
| Acetaldehyde | 3 | 2006 | 2024-09-27 |
| Acetaldehyde | 4 | 2014 | 2020-05-27 |
| Acetaldehyde | 6 | 2003 | 2006-06-28 |
| Propionaldehyde | 1 | 2010 | 2010-09-29 |
| Propionaldehyde | 3 | 2006 | 2024-09-27 |
| Propionaldehyde | 4 | 2014 | 2020-02-27 |
| Propionaldehyde | 6 | 2003 | 2006-06-28 |
| Acrolein - Unverified | 1 | 2007 | 2024-06-29 |
| Acrolein - Unverified | 2 | 2011 | 2018-02-25 |
| Butyraldehyde | 1 | 2010 | 2010-09-29 |
| Butyraldehyde | 3 | 2006 | 2024-09-27 |
| Butyraldehyde | 4 | 2014 | 2020-02-27 |
| Isovaleraldehyde | 1 | ||
| Isovaleraldehyde | 3 | 2006 | 2017-04-01 |
| Isovaleraldehyde | 4 | 2014 | 2017-04-01 |
| Isovaleraldehyde | 6 | 2003 | 2006-06-28 |
| Methacrolein | 1 | 2007 | 2024-06-29 |
| Methacrolein | 2 | 2011 | 2019-08-31 |
| Methacrolein | 3 | 2013 | 2024-09-27 |
| Methacrolein | 4 | 2014 | 2020-02-27 |
| Trans-Crotonaldehyde | 1 | ||
| Trans-Crotonaldehyde | 6 | 2003 | 2004-12-23 |
| Hexanaldehyde | 1 | 2010 | 2010-09-29 |
| Hexanaldehyde | 3 | 2006 | 2024-09-27 |
| Hexanaldehyde | 4 | 2014 | 2020-02-27 |
| Hexanaldehyde | 6 | 2003 | 2006-06-28 |
| Valeraldehyde | 1 | ||
| Valeraldehyde | 3 | 2006 | 2024-09-27 |
| Valeraldehyde | 4 | 2014 | 2020-02-27 |
| Valeraldehyde | 6 | 2003 | 2006-06-28 |
| Crotonaldehyde | 1 | ||
| Crotonaldehyde | 3 | 2006 | 2024-09-27 |
| Crotonaldehyde | 4 | 2014 | 2020-02-27 |
| Crotonaldehyde | 6 | 2005 | 2006-06-28 |
| Acetone | 1 | 2008 | 2013-12-30 |
| Acetone | 2 | 2011 | 2013-08-26 |
| Acetone | 6 | 2003 | 2006-06-28 |
| Methyl ethyl ketone | 1 | 2007 | 2024-06-29 |
| Methyl ethyl ketone | 2 | 2011 | 2018-02-25 |
| Methyl ethyl ketone | 3 | 2013 | 2024-09-27 |
| Methyl ethyl ketone | 4 | 2014 | 2020-05-27 |
| 3-Pentanone | 1 | 2007 | 2024-06-29 |
| 3-Pentanone | 2 | 2011 | 2019-08-31 |
| 3-Hexanone | 1 | 2007 | 2024-06-29 |
| 3-Hexanone | 2 | 2011 | 2019-08-31 |
| Methyl Vinyl Ketone | 1 | 2007 | 2024-06-29 |
| Methyl Vinyl Ketone | 2 | 2011 | 2019-08-31 |
| Methyl Butyl Ketone | 1 | 2007 | 2024-06-29 |
| Methyl Butyl Ketone | 2 | 2011 | 2019-08-31 |
| Methyl isobutyl ketone | 1 | 2007 | 2024-06-29 |
| Methyl isobutyl ketone | 2 | 2011 | 2018-02-25 |
| 2-Pentanone | 1 | 2007 | 2024-06-29 |
| 2-Pentanone | 2 | 2011 | 2019-08-31 |
| Acetonitrile | 1 | 2008 | 2024-06-29 |
| Acetonitrile | 2 | 2011 | 2018-02-25 |
| Chloromethane | 1 | 2006 | 2024-06-29 |
| Chloromethane | 2 | 2011 | 2018-02-25 |
| Dichloromethane | 1 | 2002 | 2024-06-29 |
| Dichloromethane | 2 | 2011 | 2018-02-25 |
| Chloroform | 1 | 2002 | 2024-06-29 |
| Chloroform | 2 | 2011 | 2018-02-25 |
| Carbon tetrachloride | 1 | 2002 | 2024-06-29 |
| Carbon tetrachloride | 2 | 2011 | 2018-02-25 |
| Dibromomethane | 1 | 2011 | 2011-06-26 |
| Dibromomethane | 2 | ||
| Bromoform | 1 | 2004 | 2024-06-29 |
| Bromoform | 2 | 2011 | 2018-02-25 |
| Methyl Iodide | 1 | 2007 | 2024-06-29 |
| Methyl Iodide | 2 | 2011 | 2019-08-31 |
| Trichlorofluoromethane | 1 | 2002 | 2024-06-29 |
| Trichlorofluoromethane | 2 | 2011 | 2018-02-25 |
| Chloroethane | 1 | 2007 | 2024-06-29 |
| Chloroethane | 2 | 2011 | 2018-02-25 |
| 1,1-Dichloroethane | 1 | 2002 | 2024-06-29 |
| 1,1-Dichloroethane | 2 | 2011 | 2018-02-25 |
| Methyl chloroform | 1 | 2002 | 2024-06-29 |
| Methyl chloroform | 2 | 2011 | 2018-02-25 |
| Ethylene dichloride | 1 | 2002 | 2024-06-29 |
| Ethylene dichloride | 2 | 2011 | 2018-02-25 |
| Tetrachloroethylene | 1 | 2002 | 2024-06-29 |
| Tetrachloroethylene | 2 | 2011 | 2018-02-25 |
| 1,1,2,2-Tetrachloroethane | 1 | 2002 | 2024-06-29 |
| 1,1,2,2-Tetrachloroethane | 2 | 2011 | 2018-02-25 |
| Bromomethane | 1 | 2002 | 2024-06-29 |
| Bromomethane | 2 | 2011 | 2018-02-25 |
| 1,1,2-Trichloroethane | 1 | 2002 | 2024-06-29 |
| 1,1,2-Trichloroethane | 2 | 2011 | 2018-02-25 |
| 1,1,2-Trichloro-1,2,2-trifluoroethane | 1 | 2002 | 2024-06-29 |
| 1,1,2-Trichloro-1,2,2-trifluoroethane | 2 | 2011 | 2018-02-25 |
| Dichlorodifluoromethane | 1 | 2002 | 2024-06-29 |
| Dichlorodifluoromethane | 2 | 2011 | 2018-02-25 |
| Trichloroethylene | 1 | 2002 | 2024-06-29 |
| Trichloroethylene | 2 | 2011 | 2018-02-25 |
| 1,1-Dichloroethylene | 1 | 2002 | 2024-06-29 |
| 1,1-Dichloroethylene | 2 | 2011 | 2018-02-25 |
| Bromodichloromethane | 1 | 2007 | 2024-06-29 |
| Bromodichloromethane | 2 | 2011 | 2018-02-25 |
| 1,2-Dichloropropane | 1 | 2002 | 2024-06-29 |
| 1,2-Dichloropropane | 2 | 2011 | 2018-02-25 |
| trans-1,3-Dichloropropene | 1 | 2002 | 2024-06-29 |
| trans-1,3-Dichloropropene | 2 | 2011 | 2018-02-25 |
| cis-1,3-Dichloropropene | 1 | 2002 | 2024-06-29 |
| cis-1,3-Dichloropropene | 2 | 2011 | 2018-02-25 |
| Dibromochloromethane | 1 | 2004 | 2007-06-29 |
| trans-1,2-Dichloroethylene | 1 | 2004 | 2024-06-29 |
| trans-1,2-Dichloroethylene | 2 | 2011 | 2018-02-25 |
| cis-1,2-Dichloroethene | 1 | 2002 | 2007-06-29 |
| Ethylene dibromide | 1 | 2002 | 2024-06-29 |
| Ethylene dibromide | 2 | 2011 | 2018-02-25 |
| Hexachlorobutadiene | 1 | 2005 | 2007-06-29 |
| 1-Bromopropane | 1 | 2021 | 2024-06-29 |
| Vinyl chloride | 1 | 2002 | 2024-06-29 |
| Vinyl chloride | 2 | 2011 | 2018-02-25 |
| m/p Xylene | 1 | 2002 | 2024-06-29 |
| m/p Xylene | 2 | 2011 | 2018-02-25 |
| Benzene | 1 | 2002 | 2024-06-29 |
| Benzene | 2 | 2011 | 2018-02-25 |
| Toluene | 1 | 2002 | 2024-06-29 |
| Toluene | 2 | 2011 | 2018-02-25 |
| Ethylbenzene | 1 | 2002 | 2024-06-29 |
| Ethylbenzene | 2 | 2011 | 2018-02-25 |
| o-Xylene | 1 | 2002 | 2024-06-29 |
| o-Xylene | 2 | 2011 | 2018-02-25 |
| 1,3,5-Trimethylbenzene | 1 | 2006 | 2024-06-29 |
| 1,3,5-Trimethylbenzene | 2 | 2011 | 2018-02-25 |
| 1,2,4-Trimethylbenzene | 1 | 2006 | 2024-06-29 |
| 1,2,4-Trimethylbenzene | 2 | 2011 | 2018-02-25 |
| p-Ethyltoluene | 1 | 2004 | 2007-06-29 |
| Styrene | 1 | 2005 | 2024-06-29 |
| Styrene | 2 | 2011 | 2018-02-25 |
| 1,2,3-Trimethylbenzene | 1 | 2007 | 2024-06-29 |
| 1,2,3-Trimethylbenzene | 2 | 2011 | 2019-08-31 |
| Benzaldehyde | 3 | 2006 | 2024-09-27 |
| Benzaldehyde | 4 | 2014 | 2020-02-27 |
| Benzaldehyde | 6 | 2003 | 2006-06-28 |
| 2,5-Dimethylbenzaldehyde | 3 | 2006 | 2017-04-01 |
| 2,5-Dimethylbenzaldehyde | 4 | 2014 | 2017-04-01 |
| 2,5-Dimethylbenzaldehyde | 6 | 2003 | 2006-06-28 |
| Tolualdehydes | 3 | 2006 | 2017-03-26 |
| Tolualdehydes | 4 | 2014 | 2017-03-26 |
| Tolualdehydes | 6 | 2003 | 2006-06-28 |
| m-Tolualdehyde | 3 | 2017 | 2024-09-27 |
| m-Tolualdehyde | 4 | 2017 | 2020-02-27 |
| Chlorobenzene | 1 | 2002 | 2024-06-29 |
| Chlorobenzene | 2 | 2011 | 2018-02-25 |
| 1,2-Dichlorobenzene | 1 | 2002 | 2024-06-29 |
| 1,2-Dichlorobenzene | 2 | 2011 | 2018-02-25 |
| 1,3-Dichlorobenzene | 1 | 2002 | 2024-06-29 |
| 1,3-Dichlorobenzene | 2 | 2011 | 2018-02-25 |
| 1,4-Dichlorobenzene | 1 | 2002 | 2024-06-29 |
| 1,4-Dichlorobenzene | 2 | 2011 | 2018-02-25 |
| Benzyl chloride | 1 | 2005 | 2024-06-29 |
| Benzyl chloride | 2 | 2011 | 2018-02-25 |
| 1,2,4-Trichlorobenzene | 1 | 2006 | 2024-06-29 |
| 1,2,4-Trichlorobenzene | 2 | 2011 | 2018-02-25 |
| 1,4-Dioxane | 1 | 2007 | 2024-06-29 |
| 1,4-Dioxane | 2 | 2011 | 2019-08-31 |
| Furan, tetrahydro- | 1 | 2005 | 2007-06-29 |
| Wind Speed - Resultant | 1 | 2013 | 2022-12-31 |
| Wind Direction - Resultant | 1 | 2013 | 2022-12-31 |
| Std Dev Hz Wind Direction | 1 | 2013 | 2022-12-31 |
| Outdoor Temperature | 2 | 2013 | 2022-12-31 |
| Relative Humidity | 1 | 2013 | 2022-12-31 |
| Barometric pressure | 1 | 2022 | 2022-12-31 |
| Sample Flow Rate- CV | 1 | 1999 | 2006-12-31 |
| Sample Volume | 1 | 1999 | 2006-12-31 |
| Ambient Min Temperature | 1 | 1999 | 2006-12-31 |
| Ambient Max Temperature | 1 | 1999 | 2006-12-31 |
| Average Ambient Temperature | 1 | 1999 | 2015-06-29 |
| Average Ambient Temperature | 2 | 2009 | 2009-04-13 |
| Sample Min Baro Pressure | 1 | 1999 | 2006-12-31 |
| Sample Max Baro Pressure | 1 | 1999 | 2006-12-31 |
| Average Ambient Pressure | 1 | 1999 | 2015-06-29 |
| Average Ambient Pressure | 2 | 2009 | 2009-04-13 |
| Elapsed Sample Time | 1 | 1999 | 2006-12-31 |
| PM10 Total 0-10um STP | 1 | 2011 | 2015-04-30 |
| PM10 Total 0-10um STP | 3 | 2020 | 2025-02-28 |
| PM2.5 - Local Conditions | 1 | 1999 | 2015-06-29 |
| PM2.5 - Local Conditions | 2 | 2009 | 2009-04-13 |
| PM2.5 - Local Conditions | 3 | 2013 | 2025-09-30 |