Oldtown
Site ID: 24-510-0040 · 39.2977°N, 76.6046°W
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Monitors
| Parameter | POC | First Year | Last Sample |
|---|---|---|---|
| Carbon monoxide | 1 | 1982 | 2015-12-31 |
| Carbon disulfide | 1 | 2006 | 2010-12-28 |
| Sulfur dioxide | 1 | 1981 | 1982-03-29 |
| Nitric oxide (NO) | 1 | 1983 | 1984-10-27 |
| Nitric oxide (NO) | 2 | 1994 | 2021-12-31 |
| Nitrogen dioxide (NO2) | 1 | 1981 | 2021-12-31 |
| Oxides of nitrogen (NOx) | 1 | 1982 | 2021-12-31 |
| Oxides of nitrogen (NOx) | 2 | 1981 | 1982-03-31 |
| Total hydrocarbons | 1 | 1983 | 1984-03-31 |
| Total NMOC (non-methane organic compound) | 1 | 1983 | 1986-09-02 |
| Total NMOC (non-methane organic compound) | 2 | 1986 | 1986-09-09 |
| Total NMOC (non-methane organic compound) | 3 | 1986 | 1986-09-26 |
| Total NMOC (non-methane organic compound) | 4 | 1986 | 1986-07-30 |
| Total NMOC (non-methane organic compound) | 5 | 1986 | 1986-09-26 |
| Methane | 1 | 1983 | 1984-03-31 |
| Propylene | 1 | ||
| Freon 113 | 1 | 1991 | 2021-12-30 |
| Freon 114 | 1 | 1991 | 2021-12-30 |
| Ethyl acetate | 1 | 2006 | 2010-12-28 |
| 1,3-Butadiene | 1 | 1991 | 2021-12-30 |
| n-Hexane | 1 | 2006 | 2021-12-30 |
| n-Heptane | 1 | 2006 | 2021-12-30 |
| Cyclohexane | 1 | 2006 | 2021-12-30 |
| Ethyl alcohol | 1 | ||
| 2-Propanol | 1 | 2006 | 2010-12-28 |
| Methyl tert-butyl ether | 1 | 2006 | 2021-12-30 |
| Vinyl acetate | 1 | ||
| Acrolein - Unverified | 1 | 2007 | 2021-12-30 |
| Acetone | 1 | 2006 | 2021-12-30 |
| Methyl ethyl ketone | 1 | 2006 | 2010-12-28 |
| Methyl Butyl Ketone | 1 | 2006 | 2010-12-28 |
| Methyl isobutyl ketone | 1 | 2006 | 2010-12-28 |
| Ethylene oxide | 1 | ||
| Acetonitrile | 1 | 2009 | 2010-12-28 |
| Acrylonitrile | 1 | 2004 | 2010-12-28 |
| Chloromethane | 1 | 1991 | 2021-12-30 |
| Dichloromethane | 1 | 1991 | 2021-12-30 |
| Chloroform | 1 | 1991 | 2021-12-30 |
| Carbon tetrachloride | 1 | 1991 | 2021-12-30 |
| Bromoform | 1 | 2006 | 2010-12-28 |
| Trichlorofluoromethane | 1 | 1991 | 2021-12-30 |
| Chloroethane | 1 | 1991 | 2010-12-28 |
| 1,1-Dichloroethane | 1 | 1991 | 2010-12-28 |
| Methyl chloroform | 1 | 1991 | 2021-12-30 |
| Ethylene dichloride | 1 | 1991 | 2021-12-30 |
| Tetrachloroethylene | 1 | 1991 | 2021-12-30 |
| 1,1,2,2-Tetrachloroethane | 1 | 1991 | 2021-12-30 |
| Bromomethane | 1 | 1991 | 2010-12-28 |
| 1,1,2-Trichloroethane | 1 | 1991 | 2010-12-28 |
| Dichlorodifluoromethane | 1 | 1991 | 2021-12-30 |
| Trichloroethylene | 1 | 1991 | 2021-12-30 |
| 1,1-Dichloroethylene | 1 | 1991 | 2010-12-28 |
| Bromodichloromethane | 1 | 2006 | 2010-12-28 |
| 1,2-Dichloropropane | 1 | 1991 | 2021-12-30 |
| trans-1,3-Dichloropropene | 1 | 1991 | 2021-12-30 |
| cis-1,3-Dichloropropene | 1 | 1991 | 2021-12-30 |
| Dibromochloromethane | 1 | 2006 | 2010-12-28 |
| trans-1,2-Dichloroethylene | 1 | 2006 | 2010-12-28 |
| cis-1,2-Dichloroethene | 1 | 1991 | 2010-12-28 |
| Ethylene dibromide | 1 | 1991 | 2021-12-30 |
| Hexachlorobutadiene | 1 | 1991 | 2010-12-28 |
| Vinyl chloride | 1 | 1991 | 2021-12-30 |
| Ozone | 1 | 1981 | 1982-03-31 |
| m/p Xylene | 1 | 1991 | 2021-12-30 |
| Benzene | 1 | 1991 | 2021-12-30 |
| Toluene | 1 | 1991 | 2021-12-30 |
| Ethylbenzene | 1 | 1991 | 2021-12-30 |
| o-Xylene | 1 | 1991 | 2021-12-30 |
| 1,3,5-Trimethylbenzene | 1 | 1991 | 2021-12-30 |
| 1,2,4-Trimethylbenzene | 1 | 1991 | 2021-12-30 |
| p-Ethyltoluene | 1 | 1991 | 2021-12-30 |
| Styrene | 1 | 1991 | 2021-12-30 |
| Chlorobenzene | 1 | 1991 | 2021-12-30 |
| 1,2-Dichlorobenzene | 1 | 1991 | 2010-12-28 |
| 1,3-Dichlorobenzene | 1 | 1991 | 2010-12-28 |
| 1,4-Dichlorobenzene | 1 | 1991 | 2021-12-30 |
| Benzyl chloride | 1 | 1991 | 2010-12-28 |
| 1,2,4-Trichlorobenzene | 1 | 1991 | 2010-12-28 |
| 1,4-Dioxane | 1 | ||
| Furan, tetrahydro- | 1 | 2006 | 2021-12-30 |
| Sample Flow Rate- CV | 1 | 1999 | 2006-09-30 |
| Sample Volume | 1 | 1999 | 2006-09-30 |
| Ambient Min Temperature | 1 | 1999 | 2006-09-30 |
| Ambient Max Temperature | 1 | 1999 | 2006-09-30 |
| Average Ambient Temperature | 1 | 1999 | 2015-09-30 |
| Sample Min Baro Pressure | 1 | 1999 | 2006-09-30 |
| Sample Max Baro Pressure | 1 | 1999 | 2006-09-30 |
| Average Ambient Pressure | 1 | 1999 | 2015-09-30 |
| Elapsed Sample Time | 1 | 1999 | 2006-09-30 |
| PM10 Total 0-10um STP | 1 | 1992 | 2021-12-30 |
| PM10 - LC | 1 | 1998 | 2000-09-27 |
| PM2.5 - Local Conditions | 1 | 1999 | 2021-12-30 |
| PM2.5 - Local Conditions | 3 | 2008 | 2021-12-31 |
| PM2.5 Raw Data | 4 | 2004 | 2008-06-30 |
| Acceptable PM2.5 AQI & Speciation Mass | 3 | 2002 | 2008-02-29 |