Welby
Site ID: 08-001-3001 · 39.8381°N, 104.9498°W
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Monitors
| Parameter | POC | First Year | Last Sample |
|---|---|---|---|
| Suspended particulate (TSP) | 1 | 2002 | 2003-04-27 |
| Suspended particulate (TSP) | 2 | 2002 | 2003-04-21 |
| Soil index (COH) | 1 | 1973 | 1980-02-14 |
| Antimony (TSP) STP | 6 | 2003 | 2003-04-27 |
| Arsenic (TSP) STP | 6 | 2003 | 2003-04-27 |
| Beryllium (TSP) STP | 6 | 2003 | 2003-04-27 |
| Cadmium (TSP) STP | 6 | 2003 | 2003-04-27 |
| Chromium (TSP) STP | 6 | 2003 | 2003-04-27 |
| Cobalt (TSP) STP | 6 | 2003 | 2003-04-27 |
| Lead (TSP) STP | 1 | 2002 | 2003-04-27 |
| Lead (TSP) STP | 2 | 2002 | 2003-04-21 |
| Lead (TSP) STP | 6 | 2003 | 2003-04-27 |
| Manganese (TSP) STP | 6 | 2003 | 2003-04-27 |
| Nickel (TSP) STP | 6 | 2003 | 2003-04-27 |
| Mercury (TSP) STP | 6 | 2003 | 2003-04-27 |
| Selenium (TSP) STP | 6 | 2003 | 2003-04-27 |
| 1,2-Dichlorotetrafluoroethane | 6 | ||
| Carbon monoxide | 1 | 1973 | 2023-09-30 |
| Sulfur dioxide | 1 | 1973 | 1979-07-01 |
| Sulfur dioxide | 2 | 1979 | 2025-09-30 |
| SO2 max 5-min avg | 2 | 2010 | 2025-09-30 |
| Nitric oxide (NO) | 1 | 1986 | 1986-02-10 |
| Nitric oxide (NO) | 2 | 1976 | 2025-09-30 |
| Nitrogen dioxide (NO2) | 1 | 1976 | 2025-09-30 |
| Oxides of nitrogen (NOx) | 1 | ||
| Oxides of nitrogen (NOx) | 2 | 2012 | 2025-09-30 |
| Sum of PAMS target compounds | 6 | ||
| Sum of PAMS target compounds | 7 | ||
| Sum of PAMS target compounds | 8 | 1996 | 1996-09-18 |
| Sum of PAMS target compounds | 9 | 1996 | 1996-09-08 |
| Total hydrocarbons | 1 | 1973 | 1979-04-16 |
| Total NMOC (non-methane organic compound) | 1 | 1986 | 1986-09-25 |
| Total NMOC (non-methane organic compound) | 3 | 1986 | 1986-09-24 |
| Total NMOC (non-methane organic compound) | 6 | ||
| Total NMOC (non-methane organic compound) | 7 | ||
| Total NMOC (non-methane organic compound) | 8 | 1996 | 2006-08-03 |
| Total NMOC (non-methane organic compound) | 9 | 1996 | 1996-09-08 |
| Isobutene & 1-butene | 6 | ||
| Isobutene & 1-butene | 7 | ||
| Isobutene & 1-butene | 8 | 1996 | 2006-08-03 |
| Isobutene & 1-butene | 9 | 1996 | 1996-09-08 |
| n-Dodecane | 6 | ||
| n-Dodecane | 7 | ||
| n-Dodecane | 8 | 1996 | 2006-08-03 |
| n-Dodecane | 9 | 1996 | 1996-09-08 |
| Tridecene | 6 | ||
| Tridecene | 7 | ||
| Tridecene | 8 | 1996 | 2006-08-03 |
| Tridecene | 9 | 1996 | 1996-09-08 |
| n-Tridecane | 6 | ||
| n-Tridecane | 7 | ||
| n-Tridecane | 8 | 1996 | 2006-08-03 |
| n-Tridecane | 9 | 1996 | 1996-09-08 |
| Propyne | 6 | ||
| Propyne | 7 | ||
| Propyne | 8 | 1996 | 2006-08-03 |
| Propyne | 9 | 1996 | 1996-09-08 |
| 1-Octene | 6 | ||
| 1-Octene | 7 | ||
| 1-Octene | 8 | 1996 | 2006-08-03 |
| 1-Octene | 9 | 1996 | 1996-09-08 |
| Ethane | 8 | 2006 | 2006-08-03 |
| Ethylene | 6 | ||
| Ethylene | 7 | ||
| Ethylene | 8 | 1996 | 2006-08-03 |
| Ethylene | 9 | 1996 | 1996-09-08 |
| Propane | 6 | ||
| Propane | 7 | ||
| Propane | 8 | 1996 | 2006-08-03 |
| Propane | 9 | 1996 | 1996-09-08 |
| Propylene | 6 | 1996 | 2003-05-03 |
| Propylene | 7 | 1996 | 1996-09-08 |
| Propylene | 8 | 1996 | 2006-08-03 |
| Propylene | 9 | 1996 | 1996-09-08 |
| Acetylene | 6 | 1996 | 2003-05-03 |
| Acetylene | 7 | 1996 | 1996-09-08 |
| Acetylene | 8 | 2006 | 2006-08-03 |
| Acetylene | 9 | ||
| Freon 114 | 6 | 2002 | 2003-05-03 |
| n-Butane | 6 | ||
| n-Butane | 7 | ||
| n-Butane | 8 | 1996 | 2006-08-03 |
| n-Butane | 9 | 1996 | 1996-09-08 |
| Isobutane | 6 | ||
| Isobutane | 7 | ||
| Isobutane | 8 | 1996 | 2006-08-03 |
| Isobutane | 9 | 1996 | 1996-09-08 |
| trans-2-Butene | 6 | ||
| trans-2-Butene | 7 | ||
| trans-2-Butene | 8 | 1996 | 2006-08-03 |
| trans-2-Butene | 9 | 1996 | 1996-09-08 |
| cis-2-Butene | 6 | ||
| cis-2-Butene | 7 | ||
| cis-2-Butene | 8 | 1996 | 2006-08-03 |
| cis-2-Butene | 9 | 1996 | 1996-09-08 |
| 1,3-Butadiene | 6 | 1996 | 2003-05-03 |
| 1,3-Butadiene | 7 | 1996 | 1996-09-08 |
| 1,3-Butadiene | 8 | 1996 | 2006-08-03 |
| 1,3-Butadiene | 9 | 1996 | 1996-09-08 |
| n-Pentane | 6 | ||
| n-Pentane | 7 | ||
| n-Pentane | 8 | 1996 | 2006-08-03 |
| n-Pentane | 9 | 1996 | 1996-09-08 |
| Isopentane | 6 | ||
| Isopentane | 7 | ||
| Isopentane | 8 | 1996 | 2006-08-03 |
| Isopentane | 9 | 1996 | 1996-09-08 |
| 1-Pentene | 6 | ||
| 1-Pentene | 7 | ||
| 1-Pentene | 8 | 1996 | 2006-08-03 |
| 1-Pentene | 9 | 1996 | 1996-09-08 |
| 2-Methyl-1-butene | 6 | ||
| 2-Methyl-1-butene | 7 | ||
| 2-Methyl-1-butene | 8 | 1996 | 2006-08-03 |
| 2-Methyl-1-butene | 9 | 1996 | 1996-09-08 |
| trans-2-Pentene | 6 | ||
| trans-2-Pentene | 7 | ||
| trans-2-Pentene | 8 | 1996 | 2006-08-03 |
| trans-2-Pentene | 9 | 1996 | 1996-09-08 |
| cis-2-Pentene | 6 | ||
| cis-2-Pentene | 7 | ||
| cis-2-Pentene | 8 | 1996 | 2006-08-03 |
| cis-2-Pentene | 9 | 1996 | 1996-09-08 |
| 2-Methyl-2-butene | 6 | ||
| 2-Methyl-2-butene | 7 | ||
| 2-Methyl-2-butene | 8 | 1996 | 2006-08-03 |
| 2-Methyl-2-butene | 9 | 1996 | 1996-09-08 |
| 3-Methylpentane | 6 | ||
| 3-Methylpentane | 7 | ||
| 3-Methylpentane | 8 | 1996 | 2006-08-03 |
| 3-Methylpentane | 9 | 1996 | 1996-09-08 |
| n-Hexane | 6 | ||
| n-Hexane | 7 | ||
| n-Hexane | 8 | 1996 | 2006-08-03 |
| n-Hexane | 9 | 1996 | 1996-09-08 |
| n-Heptane | 6 | ||
| n-Heptane | 7 | ||
| n-Heptane | 8 | 1996 | 2006-08-03 |
| n-Heptane | 9 | 1996 | 1996-09-08 |
| n-Octane | 6 | 1996 | 2003-05-03 |
| n-Octane | 7 | 1996 | 1996-09-08 |
| n-Octane | 8 | 1996 | 2006-08-03 |
| n-Octane | 9 | 1996 | 1996-09-08 |
| 4-Methyl-1-pentene | 6 | ||
| 4-Methyl-1-pentene | 7 | ||
| 4-Methyl-1-pentene | 8 | 1996 | 2006-08-03 |
| 4-Methyl-1-pentene | 9 | 1996 | 1996-09-08 |
| n-Nonane | 6 | ||
| n-Nonane | 7 | ||
| n-Nonane | 8 | 1996 | 2006-08-03 |
| n-Nonane | 9 | 1996 | 1996-09-08 |
| 2-Ethyl-1-butene | 6 | ||
| 2-Ethyl-1-butene | 7 | ||
| 2-Ethyl-1-butene | 8 | 1996 | 2006-08-03 |
| 2-Ethyl-1-butene | 9 | 1996 | 1996-09-08 |
| n-Decane | 6 | ||
| n-Decane | 7 | ||
| n-Decane | 8 | 1996 | 2006-08-03 |
| n-Decane | 9 | 1996 | 1996-09-08 |
| Cyclopentane | 6 | ||
| Cyclopentane | 7 | ||
| Cyclopentane | 8 | 1996 | 2006-08-03 |
| Cyclopentane | 9 | 1996 | 1996-09-08 |
| Isoprene | 6 | ||
| Isoprene | 7 | ||
| Isoprene | 8 | 1996 | 2006-08-03 |
| Isoprene | 9 | 1996 | 1996-09-08 |
| 2,2-Dimethylbutane | 6 | ||
| 2,2-Dimethylbutane | 7 | ||
| 2,2-Dimethylbutane | 8 | 1996 | 2006-08-03 |
| 2,2-Dimethylbutane | 9 | 1996 | 1996-09-08 |
| 1-Hexene | 6 | ||
| 1-Hexene | 7 | ||
| 1-Hexene | 8 | 1996 | 2006-08-03 |
| 1-Hexene | 9 | 1996 | 1996-09-08 |
| 2-Methyl-1-pentene | 6 | ||
| 2-Methyl-1-pentene | 7 | ||
| 2-Methyl-1-pentene | 8 | 1996 | 2006-08-03 |
| 2-Methyl-1-pentene | 9 | 1996 | 1996-09-08 |
| 2,4-Dimethylpentane | 6 | ||
| 2,4-Dimethylpentane | 7 | ||
| 2,4-Dimethylpentane | 8 | 1996 | 2006-08-03 |
| 2,4-Dimethylpentane | 9 | 1996 | 1996-09-08 |
| Cyclohexane | 6 | ||
| Cyclohexane | 7 | ||
| Cyclohexane | 8 | 1996 | 2006-08-03 |
| Cyclohexane | 9 | 1996 | 1996-09-08 |
| 3-Methylhexane | 6 | ||
| 3-Methylhexane | 7 | ||
| 3-Methylhexane | 8 | 1996 | 2006-08-03 |
| 3-Methylhexane | 9 | 1996 | 1996-09-08 |
| 2,2,4-Trimethylpentane | 6 | ||
| 2,2,4-Trimethylpentane | 7 | ||
| 2,2,4-Trimethylpentane | 8 | 1996 | 2006-08-03 |
| 2,2,4-Trimethylpentane | 9 | 1996 | 1996-09-08 |
| 2,3,4-Trimethylpentane | 6 | ||
| 2,3,4-Trimethylpentane | 7 | ||
| 2,3,4-Trimethylpentane | 8 | 1996 | 2006-08-03 |
| 2,3,4-Trimethylpentane | 9 | 1996 | 1996-09-08 |
| 3-Methylheptane | 6 | ||
| 3-Methylheptane | 7 | ||
| 3-Methylheptane | 8 | 1996 | 2006-08-03 |
| 3-Methylheptane | 9 | 1996 | 1996-09-08 |
| alpha.-Pinene | 6 | ||
| alpha.-Pinene | 7 | ||
| alpha.-Pinene | 8 | 1996 | 2006-08-03 |
| alpha.-Pinene | 9 | 1996 | 1996-09-08 |
| beta.-Pinene | 6 | ||
| beta.-Pinene | 7 | ||
| beta.-Pinene | 8 | 1996 | 2006-08-03 |
| beta.-Pinene | 9 | 1996 | 1996-09-08 |
| Methylcyclohexane | 6 | ||
| Methylcyclohexane | 7 | ||
| Methylcyclohexane | 8 | 1996 | 2006-08-03 |
| Methylcyclohexane | 9 | 1996 | 1996-09-08 |
| Methylcyclopentane | 6 | ||
| Methylcyclopentane | 7 | ||
| Methylcyclopentane | 8 | 1996 | 2006-08-03 |
| Methylcyclopentane | 9 | 1996 | 1996-09-08 |
| 2-Methylhexane | 6 | ||
| 2-Methylhexane | 7 | ||
| 2-Methylhexane | 8 | 1996 | 2006-08-03 |
| 2-Methylhexane | 9 | 1996 | 1996-09-08 |
| 1-Nonene | 6 | ||
| 1-Nonene | 7 | ||
| 1-Nonene | 8 | 1996 | 2006-08-03 |
| 1-Nonene | 9 | 1996 | 1996-09-08 |
| 3-Methyl-1-butene | 6 | ||
| 3-Methyl-1-butene | 7 | ||
| 3-Methyl-1-butene | 8 | 1996 | 2006-08-03 |
| 3-Methyl-1-butene | 9 | 1996 | 1996-09-08 |
| Cyclopentene | 6 | ||
| Cyclopentene | 7 | ||
| Cyclopentene | 8 | 1996 | 2006-08-03 |
| Cyclopentene | 9 | 1996 | 1996-09-08 |
| 2,3-Dimethylbutane | 6 | ||
| 2,3-Dimethylbutane | 7 | ||
| 2,3-Dimethylbutane | 8 | 1996 | 2006-08-03 |
| 2,3-Dimethylbutane | 9 | 1996 | 1996-09-08 |
| 2-Methylpentane | 6 | ||
| 2-Methylpentane | 7 | ||
| 2-Methylpentane | 8 | 1996 | 2006-08-03 |
| 2-Methylpentane | 9 | 1996 | 1996-09-08 |
| trans-2-Hexene | 6 | ||
| trans-2-Hexene | 7 | ||
| trans-2-Hexene | 8 | 1996 | 2006-08-03 |
| trans-2-Hexene | 9 | 1996 | 1996-09-08 |
| cis-2-Hexene | 6 | ||
| cis-2-Hexene | 7 | ||
| cis-2-Hexene | 8 | 1996 | 2006-08-03 |
| cis-2-Hexene | 9 | 1996 | 1996-09-08 |
| 2,3-Dimethylpentane | 6 | ||
| 2,3-Dimethylpentane | 7 | ||
| 2,3-Dimethylpentane | 8 | 1996 | 2006-08-03 |
| 2,3-Dimethylpentane | 9 | 1996 | 1996-09-08 |
| 2-2-3-Trimethylpentane | 6 | ||
| 2-2-3-Trimethylpentane | 7 | ||
| 2-2-3-Trimethylpentane | 8 | 1996 | 2006-08-03 |
| 2-2-3-Trimethylpentane | 9 | 1996 | 1996-09-08 |
| 1-Decene | 6 | ||
| 1-Decene | 7 | ||
| 1-Decene | 8 | 1996 | 2006-08-03 |
| 1-Decene | 9 | 1996 | 1996-09-08 |
| 1-Undecene | 6 | ||
| 1-Undecene | 7 | ||
| 1-Undecene | 8 | 1996 | 2006-08-03 |
| 1-Undecene | 9 | 1996 | 1996-09-08 |
| 1-Heptene | 6 | ||
| 1-Heptene | 7 | ||
| 1-Heptene | 8 | 1996 | 2006-08-03 |
| 1-Heptene | 9 | 1996 | 1996-09-08 |
| Butyraldehyde & isobutyraldehyde | 6 | 1996 | 2006-07-31 |
| Butyraldehyde & isobutyraldehyde | 7 | 1996 | 1996-09-04 |
| Butyraldehyde & isobutyraldehyde | 8 | 1996 | 1996-09-04 |
| Butyraldehyde & isobutyraldehyde | 9 | 1996 | 1996-09-04 |
| Dodecene | 6 | ||
| Dodecene | 7 | ||
| Dodecene | 8 | 1996 | 2006-08-03 |
| Dodecene | 9 | 1996 | 1996-09-08 |
| 2-Methylhexane & 2,3-dimethylpentane | 6 | ||
| 2-Methylhexane & 2,3-dimethylpentane | 7 | ||
| 2-Methylhexane & 2,3-dimethylpentane | 8 | ||
| 2-Methylhexane & 2,3-dimethylpentane | 9 | ||
| Methyl tert-butyl ether | 6 | 2002 | 2003-05-03 |
| Tert-amyl methyl ether | 6 | 2002 | 2003-05-03 |
| tert-Butyl ethyl ether | 6 | 2002 | 2003-05-03 |
| Ethyl acrylate | 6 | 2002 | 2003-05-03 |
| Methyl methacrylate | 6 | 2002 | 2003-05-03 |
| Formaldehyde | 6 | 1996 | 2006-07-31 |
| Formaldehyde | 7 | 1996 | 1996-09-04 |
| Formaldehyde | 8 | 1996 | 1996-09-04 |
| Formaldehyde | 9 | 1996 | 1996-09-04 |
| Acetaldehyde | 6 | 1996 | 2006-07-31 |
| Acetaldehyde | 7 | 1996 | 1996-09-04 |
| Acetaldehyde | 8 | 1996 | 1996-09-04 |
| Acetaldehyde | 9 | 1996 | 1996-09-04 |
| Propionaldehyde | 6 | 1996 | 2006-07-31 |
| Propionaldehyde | 7 | 1996 | 1996-09-04 |
| Propionaldehyde | 8 | 1996 | 1996-09-04 |
| Propionaldehyde | 9 | 1996 | 1996-09-04 |
| Acrolein - Unverified | 6 | 1996 | 1996-09-08 |
| Acrolein - Unverified | 7 | 1996 | 1996-09-04 |
| Acrolein - Unverified | 8 | 1996 | 1996-09-04 |
| Acrolein - Unverified | 9 | 1996 | 1996-09-04 |
| Isovaleraldehyde | 6 | 1996 | 2006-07-31 |
| Isovaleraldehyde | 7 | 1996 | 1996-09-04 |
| Isovaleraldehyde | 8 | 1996 | 1996-09-04 |
| Isovaleraldehyde | 9 | 1996 | 1996-09-04 |
| Trans-Crotonaldehyde | 6 | 1996 | 2003-05-03 |
| Trans-Crotonaldehyde | 7 | 1996 | 1996-09-04 |
| Trans-Crotonaldehyde | 8 | 1996 | 1996-09-04 |
| Trans-Crotonaldehyde | 9 | 1996 | 1996-09-04 |
| Hexanaldehyde | 6 | 1996 | 2006-07-31 |
| Hexanaldehyde | 7 | 1996 | 1996-09-04 |
| Hexanaldehyde | 8 | 1996 | 1996-09-04 |
| Hexanaldehyde | 9 | 1996 | 1996-09-04 |
| Valeraldehyde | 6 | 1996 | 2006-07-31 |
| Valeraldehyde | 7 | 1996 | 1996-09-04 |
| Valeraldehyde | 8 | 1996 | 1996-09-04 |
| Valeraldehyde | 9 | 1996 | 1996-09-04 |
| Crotonaldehyde | 6 | 2006 | 2006-07-31 |
| Acetone | 6 | 1996 | 2006-07-31 |
| Acetone | 7 | 1996 | 1996-09-04 |
| Acetone | 8 | 1996 | 1996-09-04 |
| Acetone | 9 | 1996 | 1996-09-04 |
| Methyl ethyl ketone | 6 | 2002 | 2003-05-03 |
| Methyl isobutyl ketone | 6 | 2002 | 2003-05-03 |
| Ethane & acetylene | 6 | ||
| Ethane & acetylene | 7 | ||
| Ethane & acetylene | 8 | 1996 | 1996-09-18 |
| Ethane & acetylene | 9 | 1996 | 1996-09-08 |
| Acetonitrile | 6 | ||
| Acrylonitrile | 6 | 2002 | 2003-05-03 |
| Chloromethane | 6 | 1996 | 2003-05-03 |
| Chloromethane | 7 | 1996 | 1996-09-08 |
| Chloromethane | 8 | ||
| Chloromethane | 9 | ||
| Dichloromethane | 6 | 1996 | 2003-05-03 |
| Dichloromethane | 7 | 1996 | 1996-09-08 |
| Dichloromethane | 8 | ||
| Dichloromethane | 9 | ||
| Chloroform | 6 | 1996 | 2003-05-03 |
| Chloroform | 7 | 1996 | 1996-09-08 |
| Chloroform | 8 | ||
| Chloroform | 9 | ||
| Carbon tetrachloride | 6 | 1996 | 2003-05-03 |
| Carbon tetrachloride | 7 | 1996 | 1996-09-08 |
| Carbon tetrachloride | 8 | ||
| Carbon tetrachloride | 9 | ||
| Bromoform | 6 | 1996 | 2003-05-03 |
| Bromoform | 7 | 1996 | 1996-09-08 |
| Bromoform | 8 | ||
| Bromoform | 9 | ||
| Trichlorofluoromethane | 6 | 2002 | 2003-05-03 |
| Chloroethane | 6 | 1996 | 2003-05-03 |
| Chloroethane | 7 | 1996 | 1996-09-08 |
| Chloroethane | 8 | ||
| Chloroethane | 9 | ||
| 1,1-Dichloroethane | 6 | 1996 | 2003-05-03 |
| 1,1-Dichloroethane | 7 | 1996 | 1996-09-08 |
| 1,1-Dichloroethane | 8 | ||
| 1,1-Dichloroethane | 9 | ||
| Methyl chloroform | 6 | 1996 | 2003-05-03 |
| Methyl chloroform | 7 | 1996 | 1996-09-08 |
| Methyl chloroform | 8 | ||
| Methyl chloroform | 9 | ||
| Ethylene dichloride | 6 | 1996 | 2003-05-03 |
| Ethylene dichloride | 7 | 1996 | 1996-09-08 |
| Ethylene dichloride | 8 | ||
| Ethylene dichloride | 9 | ||
| Tetrachloroethylene | 6 | 1996 | 2003-05-03 |
| Tetrachloroethylene | 7 | 1996 | 1996-09-08 |
| Tetrachloroethylene | 8 | ||
| Tetrachloroethylene | 9 | ||
| 1,1,2,2-Tetrachloroethane | 6 | 1996 | 2003-05-03 |
| 1,1,2,2-Tetrachloroethane | 7 | 1996 | 1996-09-08 |
| 1,1,2,2-Tetrachloroethane | 8 | ||
| 1,1,2,2-Tetrachloroethane | 9 | ||
| Bromomethane | 6 | 1996 | 2003-05-03 |
| Bromomethane | 7 | 1996 | 1996-09-08 |
| Bromomethane | 8 | ||
| Bromomethane | 9 | ||
| 1,1,2-Trichloroethane | 6 | 1996 | 2003-05-03 |
| 1,1,2-Trichloroethane | 7 | 1996 | 1996-09-08 |
| 1,1,2-Trichloroethane | 8 | ||
| 1,1,2-Trichloroethane | 9 | ||
| 1,1,2-Trichloro-1,2,2-trifluoroethane | 6 | 2002 | 2003-05-03 |
| Dichlorodifluoromethane | 6 | 2002 | 2003-05-03 |
| Trichloroethylene | 6 | 1996 | 2003-05-03 |
| Trichloroethylene | 7 | 1996 | 1996-09-08 |
| Trichloroethylene | 8 | ||
| Trichloroethylene | 9 | ||
| 1,1-Dichloroethylene | 6 | 2002 | 2003-05-03 |
| Bromodichloromethane | 6 | 1996 | 2003-05-03 |
| Bromodichloromethane | 7 | 1996 | 1996-09-08 |
| Bromodichloromethane | 8 | ||
| Bromodichloromethane | 9 | ||
| 1,2-Dichloropropane | 6 | 1996 | 2003-05-03 |
| 1,2-Dichloropropane | 7 | 1996 | 1996-09-08 |
| 1,2-Dichloropropane | 8 | ||
| 1,2-Dichloropropane | 9 | ||
| trans-1,3-Dichloropropene | 6 | 1996 | 2003-05-03 |
| trans-1,3-Dichloropropene | 7 | 1996 | 1996-09-08 |
| trans-1,3-Dichloropropene | 8 | ||
| trans-1,3-Dichloropropene | 9 | ||
| cis-1,3-Dichloropropene | 6 | 1996 | 2003-05-03 |
| cis-1,3-Dichloropropene | 7 | 1996 | 1996-09-08 |
| cis-1,3-Dichloropropene | 8 | ||
| cis-1,3-Dichloropropene | 9 | ||
| Dibromochloromethane | 6 | 1996 | 2003-05-03 |
| Dibromochloromethane | 7 | 1996 | 1996-09-08 |
| Dibromochloromethane | 8 | ||
| Dibromochloromethane | 9 | ||
| Chloroprene | 6 | 1996 | 2003-05-03 |
| Chloroprene | 7 | 1996 | 1996-09-08 |
| Chloroprene | 8 | ||
| Chloroprene | 9 | ||
| Bromochloromethane | 6 | 1996 | 2003-05-03 |
| Bromochloromethane | 7 | 1996 | 1996-09-08 |
| Bromochloromethane | 8 | ||
| Bromochloromethane | 9 | ||
| trans-1,2-Dichloroethylene | 6 | 1996 | 2003-05-03 |
| trans-1,2-Dichloroethylene | 7 | 1996 | 1996-09-08 |
| trans-1,2-Dichloroethylene | 8 | ||
| trans-1,2-Dichloroethylene | 9 | ||
| cis-1,2-Dichloroethene | 6 | 2002 | 2003-05-03 |
| cis-1,2-Dichloroethene | 7 | ||
| cis-1,2-Dichloroethene | 8 | ||
| cis-1,2-Dichloroethene | 9 | ||
| Ethylene dibromide | 6 | 2002 | 2003-05-03 |
| Hexachlorobutadiene | 6 | 2002 | 2003-05-03 |
| Vinyl chloride | 6 | 1996 | 2003-05-03 |
| Vinyl chloride | 7 | 1996 | 1996-09-08 |
| Vinyl chloride | 8 | ||
| Vinyl chloride | 9 | ||
| n-Undecane | 6 | ||
| n-Undecane | 7 | ||
| n-Undecane | 8 | 1996 | 2006-08-03 |
| n-Undecane | 9 | 1996 | 1996-09-08 |
| 2-Methylheptane | 6 | ||
| 2-Methylheptane | 7 | ||
| 2-Methylheptane | 8 | 1996 | 2006-08-03 |
| 2-Methylheptane | 9 | 1996 | 1996-09-08 |
| Ozone | 1 | 1973 | 1988-11-07 |
| Ozone | 2 | 1986 | 2025-09-30 |
| m/p Xylene | 6 | 1996 | 2003-05-03 |
| m/p Xylene | 7 | 1996 | 1996-09-08 |
| m/p Xylene | 8 | 1996 | 2006-08-03 |
| m/p Xylene | 9 | 1996 | 1996-09-08 |
| Benzene | 6 | 1996 | 2003-05-03 |
| Benzene | 7 | 1996 | 1996-09-08 |
| Benzene | 8 | 1996 | 2006-08-03 |
| Benzene | 9 | 1996 | 1996-09-08 |
| Toluene | 6 | 1996 | 2003-05-03 |
| Toluene | 7 | 1996 | 1996-09-08 |
| Toluene | 8 | 1996 | 2006-08-03 |
| Toluene | 9 | 1996 | 1996-09-08 |
| Ethylbenzene | 6 | 1996 | 2003-05-03 |
| Ethylbenzene | 7 | 1996 | 1996-09-08 |
| Ethylbenzene | 8 | 1996 | 2006-08-03 |
| Ethylbenzene | 9 | 1996 | 1996-09-08 |
| o-Xylene | 6 | 1996 | 2003-05-03 |
| o-Xylene | 7 | 1996 | 1996-09-08 |
| o-Xylene | 8 | 1996 | 2006-08-03 |
| o-Xylene | 9 | 1996 | 1996-09-08 |
| 1,3,5-Trimethylbenzene | 6 | 2002 | 2003-05-03 |
| 1,3,5-Trimethylbenzene | 7 | ||
| 1,3,5-Trimethylbenzene | 8 | 1996 | 2006-08-03 |
| 1,3,5-Trimethylbenzene | 9 | 1996 | 1996-09-08 |
| 1,2,4-Trimethylbenzene | 6 | 2002 | 2003-05-03 |
| 1,2,4-Trimethylbenzene | 7 | ||
| 1,2,4-Trimethylbenzene | 8 | 1996 | 2006-08-03 |
| 1,2,4-Trimethylbenzene | 9 | 1996 | 1996-09-08 |
| n-Propylbenzene | 6 | ||
| n-Propylbenzene | 7 | ||
| n-Propylbenzene | 8 | 1996 | 2006-08-03 |
| n-Propylbenzene | 9 | 1996 | 1996-09-08 |
| Isopropylbenzene | 6 | ||
| Isopropylbenzene | 7 | ||
| Isopropylbenzene | 8 | 1996 | 2006-08-03 |
| Isopropylbenzene | 9 | 1996 | 1996-09-08 |
| o-Ethyltoluene | 6 | ||
| o-Ethyltoluene | 7 | ||
| o-Ethyltoluene | 8 | 1996 | 2006-08-03 |
| o-Ethyltoluene | 9 | 1996 | 1996-09-08 |
| m-Ethyltoluene | 6 | ||
| m-Ethyltoluene | 7 | ||
| m-Ethyltoluene | 8 | 1996 | 2006-08-03 |
| m-Ethyltoluene | 9 | 1996 | 1996-09-08 |
| p-Ethyltoluene | 8 | 1996 | 2006-08-03 |
| p-Ethyltoluene | 9 | 1996 | 1996-09-08 |
| m-Diethylbenzene | 6 | ||
| m-Diethylbenzene | 7 | ||
| m-Diethylbenzene | 8 | 1996 | 2006-08-03 |
| m-Diethylbenzene | 9 | 1996 | 1996-09-08 |
| p-Diethylbenzene | 6 | ||
| p-Diethylbenzene | 7 | ||
| p-Diethylbenzene | 8 | 1996 | 2006-08-03 |
| p-Diethylbenzene | 9 | 1996 | 1996-09-08 |
| Styrene | 6 | 1996 | 2003-05-03 |
| Styrene | 7 | 1996 | 1996-09-08 |
| Styrene | 8 | 1996 | 2006-08-03 |
| Styrene | 9 | 1996 | 1996-09-08 |
| 1,2,3-Trimethylbenzene | 6 | ||
| 1,2,3-Trimethylbenzene | 7 | ||
| 1,2,3-Trimethylbenzene | 8 | 1996 | 2006-08-03 |
| 1,2,3-Trimethylbenzene | 9 | 1996 | 1996-09-08 |
| Benzene, 1-ethenyl-4-methyl | 6 | ||
| Benzene, 1-ethenyl-4-methyl | 7 | ||
| Benzene, 1-ethenyl-4-methyl | 8 | ||
| Benzene, 1-ethenyl-4-methyl | 9 | ||
| Benzaldehyde | 6 | 1996 | 2006-07-31 |
| Benzaldehyde | 7 | 1996 | 1996-09-04 |
| Benzaldehyde | 8 | 1996 | 1996-09-04 |
| Benzaldehyde | 9 | 1996 | 1996-09-04 |
| 2,5-Dimethylbenzaldehyde | 6 | 1996 | 2006-07-31 |
| 2,5-Dimethylbenzaldehyde | 7 | 1996 | 1996-09-04 |
| 2,5-Dimethylbenzaldehyde | 8 | 1996 | 1996-09-04 |
| 2,5-Dimethylbenzaldehyde | 9 | 1996 | 1996-09-04 |
| Tolualdehydes | 6 | 1996 | 2006-07-31 |
| Tolualdehydes | 7 | 1996 | 1996-09-04 |
| Tolualdehydes | 8 | 1996 | 1996-09-04 |
| Tolualdehydes | 9 | 1996 | 1996-09-04 |
| Chlorobenzene | 6 | 1996 | 2003-05-03 |
| Chlorobenzene | 7 | 1996 | 1996-09-08 |
| Chlorobenzene | 8 | ||
| Chlorobenzene | 9 | ||
| 1,2-Dichlorobenzene | 6 | 1996 | 2003-05-03 |
| 1,2-Dichlorobenzene | 7 | 1996 | 1996-09-08 |
| 1,2-Dichlorobenzene | 8 | ||
| 1,2-Dichlorobenzene | 9 | ||
| 1,3-Dichlorobenzene | 6 | 1996 | 2003-05-03 |
| 1,3-Dichlorobenzene | 7 | 1996 | 1996-09-08 |
| 1,3-Dichlorobenzene | 8 | ||
| 1,3-Dichlorobenzene | 9 | ||
| 1,4-Dichlorobenzene | 6 | 1996 | 2003-05-03 |
| 1,4-Dichlorobenzene | 7 | 1996 | 1996-09-08 |
| 1,4-Dichlorobenzene | 8 | ||
| 1,4-Dichlorobenzene | 9 | ||
| Benzyl chloride | 6 | 2002 | 2003-05-03 |
| 1,2,4-Trichlorobenzene | 6 | 2002 | 2003-05-03 |
| Wind Speed - Scalar | 1 | 1992 | 2025-09-30 |
| Wind Direction - Scalar | 1 | 1992 | 2025-09-30 |
| Wind Speed - Resultant | 1 | 1975 | 2025-09-30 |
| Wind Direction - Resultant | 1 | 1975 | 2025-09-30 |
| Std Dev Hz Wind Direction | 1 | 1988 | 2025-09-30 |
| Outdoor Temperature | 1 | 1975 | 2025-09-30 |
| PM10 Total 0-10um STP | 1 | 1986 | 1987-01-31 |
| PM10 Total 0-10um STP | 2 | 1990 | 2024-01-19 |
| PM10 Total 0-10um STP | 3 | 1991 | 2025-09-30 |
| PM10 Total 0-10um STP | 4 | 2024 | 2025-09-30 |
| PM10 - LC | 2 | 1997 | 2024-01-19 |
| PM10 - LC | 3 | ||
| PM10 - LC | 4 | ||
| PM2.5 - Local Conditions | 3 | 2024 | 2025-09-30 |
| PM2.5 - Local Conditions | 4 | 2024 | 2025-09-30 |