Concord
Site ID: 06-013-0002 · 37.9360°N, 122.0262°W
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Monitors
| Parameter | POC | First Year | Last Sample |
|---|---|---|---|
| Suspended particulate (TSP) | 1 | 1980 | 1991-06-29 |
| Soil index (COH) | 1 | 1994 | 2004-02-02 |
| Aluminum (TSP) STP | 7 | 1990 | 2000-02-24 |
| Antimony (TSP) STP | 7 | 1992 | 2000-02-24 |
| Arsenic (TSP) STP | 5 | 1985 | 1996-06-20 |
| Arsenic (TSP) STP | 7 | 1990 | 2000-02-24 |
| Beryllium (TSP) STP | 5 | 1985 | 1993-12-21 |
| Barium (TSP) STP | 7 | 1990 | 2000-02-24 |
| Bromine (TSP) STP | 7 | 1990 | 2000-02-24 |
| Cadmium (TSP) STP | 5 | 1986 | 1996-06-20 |
| Cadmium (TSP) STP | 7 | ||
| Calcium (TSP) STP | 7 | 1990 | 2000-02-24 |
| Chromium (TSP) STP | 7 | 1985 | 2000-02-24 |
| Cobalt (TSP) STP | 7 | 1990 | 2000-02-24 |
| Copper (TSP) STP | 7 | 1990 | 2000-02-24 |
| Chromium VI (TSP) STP | 1 | 1991 | 2000-02-24 |
| Iron (TSP) STP | 7 | 1990 | 2000-02-24 |
| Lead (TSP) STP | 1 | 1980 | 1994-06-25 |
| Lead (TSP) STP | 7 | 1985 | 2000-02-24 |
| Manganese (TSP) STP | 7 | 1985 | 2000-02-24 |
| Molybdenum (TSP) STP | 7 | 1990 | 2000-02-24 |
| Nickel (TSP) STP | 7 | 1985 | 2000-02-24 |
| Mercury (TSP) STP | 7 | 1990 | 2000-02-24 |
| Phosphorus (TSP) STP | 7 | 1990 | 2000-02-24 |
| Selenium (TSP) STP | 7 | 1990 | 2000-02-24 |
| Tin (TSP) STP | 7 | 1992 | 2000-02-24 |
| Titanium (TSP) STP | 7 | 1990 | 2000-02-24 |
| Vanadium (TSP) STP | 7 | 1990 | 2000-02-24 |
| Silicon (TSP) STP | 7 | 1990 | 2000-02-24 |
| Zinc (TSP) STP | 7 | 1990 | 2000-02-24 |
| Strontium (TSP) STP | 7 | 1990 | 2000-02-24 |
| Sulfur (TSP) STP | 7 | 1990 | 2000-02-24 |
| Rubidium (TSP) STP | 7 | 1990 | 2000-02-24 |
| Uranium (TSP) STP | 7 | 1990 | 2000-02-24 |
| Potassium (TSP) STP | 7 | 1990 | 2000-02-24 |
| Yttrium (TSP) STP | 7 | 1990 | 2000-02-24 |
| Zirconium (TSP) STP | 7 | 1990 | 2000-02-24 |
| Chloride (TSP) STP | 1 | 1994 | 1995-06-26 |
| Nitrate (TSP) STP | 1 | 1994 | 1995-06-26 |
| Sulfate (TSP) STP | 1 | 1994 | 1995-06-26 |
| Chlorine (TSP) | 7 | 1990 | 2000-02-24 |
| Carbon monoxide | 1 | 1980 | 2024-02-29 |
| Sulfur dioxide | 1 | 1980 | 2024-02-29 |
| SO2 max 5-min avg | 1 | 2010 | 2024-02-29 |
| Nitric oxide (NO) | 1 | 1980 | 2024-02-29 |
| Nitrogen dioxide (NO2) | 1 | 1980 | 2024-02-29 |
| Oxides of nitrogen (NOx) | 1 | 1980 | 2024-02-29 |
| Total hydrocarbons | 1 | 1980 | 2006-05-09 |
| Total NMOC (non-methane organic compound) | 1 | 2006 | 2011-05-31 |
| Methane | 1 | 1994 | 2011-05-31 |
| Freon 113 | 3 | 2003 | 2024-12-20 |
| 1,3-Butadiene | 1 | 1987 | 1987-09-28 |
| 1,3-Butadiene | 3 | 1994 | 2024-12-20 |
| 1,3-Butadiene | 5 | 1991 | 2000-02-24 |
| 1,3-Butadiene | 6 | 1991 | 2000-02-24 |
| Ethyl alcohol | 3 | 2012 | 2024-12-20 |
| Methyl tert-butyl ether | 3 | 1995 | 2007-12-20 |
| Methyl tert-butyl ether | 5 | 1997 | 2000-02-24 |
| Methyl tert-butyl ether | 6 | 1997 | 2000-02-24 |
| Formaldehyde | 5 | 1996 | 2000-02-24 |
| Acetaldehyde | 5 | 1996 | 2000-02-24 |
| Acrolein - Unverified | 3 | 2012 | 2015-05-06 |
| Acetone | 3 | 2003 | 2024-12-20 |
| Methyl ethyl ketone | 3 | 2003 | 2024-12-20 |
| Methyl ethyl ketone | 5 | 1996 | 2000-02-24 |
| Acetonitrile | 3 | 2012 | 2024-12-20 |
| Acrylonitrile | 3 | 2012 | 2024-12-20 |
| Dichloromethane | 1 | 1985 | 1987-09-28 |
| Dichloromethane | 3 | 1989 | 2024-12-20 |
| Dichloromethane | 5 | 1991 | 2000-02-24 |
| Dichloromethane | 6 | 1991 | 2000-02-24 |
| Chloroform | 1 | 1985 | 1987-09-16 |
| Chloroform | 3 | 1989 | 2024-12-20 |
| Chloroform | 5 | 1991 | 2000-02-24 |
| Chloroform | 6 | 1991 | 2000-02-24 |
| Carbon tetrachloride | 1 | 1985 | 1987-09-28 |
| Carbon tetrachloride | 3 | 1989 | 2024-12-20 |
| Carbon tetrachloride | 5 | 1991 | 2000-02-24 |
| Carbon tetrachloride | 6 | 1991 | 2000-02-24 |
| Trichlorofluoromethane | 3 | 2003 | 2024-12-20 |
| Methyl chloroform | 1 | 1985 | 1987-09-16 |
| Methyl chloroform | 3 | 1989 | 2024-12-20 |
| Methyl chloroform | 5 | 1991 | 2000-02-24 |
| Methyl chloroform | 6 | 1991 | 2000-02-24 |
| Ethylene dichloride | 1 | 1987 | 1987-08-02 |
| Ethylene dichloride | 3 | 1989 | 2024-12-20 |
| Ethylene dichloride | 5 | ||
| Ethylene dichloride | 6 | ||
| Tetrachloroethylene | 1 | 1985 | 1987-09-28 |
| Tetrachloroethylene | 3 | 1989 | 2024-12-20 |
| Tetrachloroethylene | 5 | 1991 | 2000-02-24 |
| Tetrachloroethylene | 6 | 1991 | 2000-02-24 |
| Trichloroethylene | 1 | 1986 | 1987-09-16 |
| Trichloroethylene | 3 | 1989 | 2024-12-20 |
| Trichloroethylene | 5 | 1991 | 2000-02-24 |
| Trichloroethylene | 6 | 1991 | 2000-02-24 |
| Ethylene dibromide | 1 | 1985 | 1987-09-16 |
| Ethylene dibromide | 3 | 1989 | 2024-12-20 |
| Ethylene dibromide | 5 | ||
| Ethylene dibromide | 6 | ||
| Vinyl chloride | 3 | 1989 | 2024-12-20 |
| Ozone | 1 | 1980 | 2024-02-29 |
| m/p Xylene | 1 | 1985 | 1985-07-28 |
| m/p Xylene | 3 | 2003 | 2024-12-20 |
| m/p Xylene | 5 | 1994 | 2000-02-24 |
| m/p Xylene | 6 | 1994 | 2000-02-24 |
| Benzene | 1 | 1985 | 1987-09-28 |
| Benzene | 3 | 1989 | 2024-12-20 |
| Benzene | 5 | 1991 | 2000-02-24 |
| Benzene | 6 | 1991 | 2000-02-24 |
| Toluene | 1 | 1985 | 1986-09-03 |
| Toluene | 3 | 1989 | 2024-12-20 |
| Toluene | 5 | 1991 | 2000-02-24 |
| Toluene | 6 | 1991 | 2000-02-24 |
| Ethylbenzene | 3 | 2003 | 2024-12-20 |
| Ethylbenzene | 5 | 1991 | 2000-02-24 |
| Ethylbenzene | 6 | 1991 | 2000-02-24 |
| o-Xylene | 1 | 1985 | 1986-02-24 |
| o-Xylene | 3 | 2003 | 2024-12-20 |
| o-Xylene | 5 | 1991 | 2000-02-24 |
| o-Xylene | 6 | 1991 | 2000-02-24 |
| m-Xylene | 1 | 1985 | 1986-02-24 |
| m-Xylene | 5 | ||
| m-Xylene | 6 | ||
| p-Xylene | 1 | 1985 | 1986-08-10 |
| p-Xylene | 5 | ||
| p-Xylene | 6 | ||
| Styrene | 5 | 1991 | 2000-02-24 |
| Styrene | 6 | 1991 | 2000-02-24 |
| Chlorobenzene | 5 | ||
| Chlorobenzene | 6 | ||
| 1,2-Dichlorobenzene | 5 | 1991 | 2000-02-24 |
| 1,2-Dichlorobenzene | 6 | 1991 | 2000-02-24 |
| 1,3-Dichlorobenzene | 5 | ||
| 1,3-Dichlorobenzene | 6 | ||
| 1,4-Dichlorobenzene | 5 | 1991 | 2000-02-24 |
| 1,4-Dichlorobenzene | 6 | 1991 | 2000-02-24 |
| Sample Flow Rate- CV | 1 | 1999 | 2009-12-31 |
| Sample Flow Rate- CV | 2 | 2000 | 2009-12-27 |
| Sample Volume | 1 | 1999 | 2009-12-31 |
| Sample Volume | 2 | 2000 | 2009-12-27 |
| Ambient Min Temperature | 1 | 1999 | 2009-12-31 |
| Ambient Min Temperature | 2 | 2000 | 2009-12-27 |
| Ambient Max Temperature | 1 | 1999 | 2009-12-31 |
| Ambient Max Temperature | 2 | 2000 | 2009-12-27 |
| Average Ambient Temperature | 1 | 1999 | 2023-08-10 |
| Average Ambient Temperature | 2 | 2000 | 2012-12-29 |
| Sample Min Baro Pressure | 1 | 1999 | 2009-12-31 |
| Sample Min Baro Pressure | 2 | 2000 | 2009-12-27 |
| Sample Max Baro Pressure | 1 | 1999 | 2009-12-31 |
| Sample Max Baro Pressure | 2 | 2000 | 2009-12-27 |
| Average Ambient Pressure | 1 | 1999 | 2023-12-29 |
| Average Ambient Pressure | 2 | 2000 | 2012-12-29 |
| Elapsed Sample Time | 1 | 1999 | 2009-12-31 |
| Elapsed Sample Time | 2 | 2000 | 2009-12-27 |
| PM10 Total 0-10um STP | 1 | 1986 | 2023-12-26 |
| PM10 Total 0-10um STP | 2 | 1988 | 1993-12-29 |
| Lead PM10 STP | 1 | 1994 | 1998-12-31 |
| Dibenz(A-H)Anthracene PM10 STP | 1 | 1990 | 2000-02-24 |
| Potassium PM10 STP | 1 | 2011 | 2016-12-26 |
| Chloride PM10 STP | 1 | 1994 | 2016-12-26 |
| Benzo(b)Fluranthene PM10 STP | 1 | 1989 | 2000-02-24 |
| Benzo(k)Fluoranthene PM10 STP | 1 | 1989 | 2000-02-24 |
| Benzo(g,h,i)Perylene PM10 STP | 1 | 1990 | 2000-02-24 |
| Benzo(a)Pyrene PM10 STP | 1 | 1988 | 2000-02-24 |
| Indeno[1,2,3-cd] pyrene PM10 STP | 1 | 1990 | 2000-02-24 |
| Ammonium PM10 STP | 1 | 1994 | 2016-12-26 |
| Nitrate PM10 STP | 1 | 1994 | 2016-12-26 |
| Sulfate PM10 STP | 1 | 1994 | 2016-12-26 |
| PM10 - LC | 1 | 1998 | 2023-12-26 |
| PM2.5 - Local Conditions | 1 | 1999 | 2023-12-29 |
| PM2.5 - Local Conditions | 2 | 2000 | 2012-12-29 |
| PM2.5 - Local Conditions | 3 | 2013 | 2024-12-31 |