Medford - Welch and Jackson Streets (MWJ)
Site ID: 41-029-2129 · 42.3316°N, 122.8803°W
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Monitors
| Parameter | POC | First Year | Last Sample |
|---|---|---|---|
| Light scatter | 1 | 2018 | 2023-07-21 |
| Chromium VI (TSP) STP | 7 | 2011 | 2012-09-30 |
| Chromium VI (TSP) LC | 7 | 2012 | 2023-06-29 |
| Naphthalene (TSP) STP | 7 | 2011 | 2023-06-29 |
| Acenaphthene (TSP) STP | 7 | ||
| Acenaphthylene (TSP) STP | 7 | 2018 | 2023-06-29 |
| Fluorene (TSP) STP | 7 | 2018 | 2023-06-29 |
| Phenanthrene (TSP) STP | 7 | 2018 | 2023-06-29 |
| Anthracene (TSP) STP | 7 | 2018 | 2023-06-29 |
| Fluoranthene (TSP) STP | 7 | 2018 | 2023-06-29 |
| Pyrene (TSP) STP | 7 | 2018 | 2023-06-29 |
| Chrysene (TSP) STP | 7 | 2018 | 2023-06-29 |
| Coronene (TSP) STP | 7 | ||
| Perylene (TSP) STP | 7 | 2018 | 2023-06-29 |
| Benzo[a]anthracene (TSP) STP | 7 | 2018 | 2023-06-29 |
| Benzo[b]fluoranthene (TSP) STP | 7 | 2018 | 2023-06-29 |
| Benzo[k]fluoranthene (TSP) STP | 7 | 2018 | 2023-06-29 |
| Benzo[e]pyrene (TSP) STP | 7 | 2018 | 2023-06-29 |
| Dibenzo[a,h]anthracene (TSP) STP | 7 | 2018 | 2023-06-29 |
| Benzo[a]pyrene (TSP) STP | 7 | 2011 | 2023-06-29 |
| Indeno[1,2,3-cd]pyrene (TSP) STP | 7 | 2018 | 2023-06-29 |
| Carbon disulfide | 7 | 2019 | 2023-06-29 |
| Freon 113 | 7 | 2019 | 2023-06-29 |
| Freon 114 | 7 | 2019 | 2023-06-29 |
| 1,3-Butadiene | 7 | 2011 | 2023-06-29 |
| n-Hexane | 7 | 2012 | 2023-06-29 |
| n-Heptane | 7 | 2019 | 2023-06-29 |
| Cyclohexane | 7 | 2019 | 2023-06-29 |
| 2-Propanol | 7 | 2019 | 2023-06-29 |
| Methyl tert-butyl ether | 7 | 2019 | 2023-06-29 |
| Ethyl acrylate | 7 | ||
| Methyl methacrylate | 7 | 2018 | 2023-07-17 |
| Formaldehyde | 7 | 2011 | 2023-06-29 |
| Acetaldehyde | 7 | 2011 | 2023-06-29 |
| Propionaldehyde | 7 | 2012 | 2023-06-29 |
| Acrolein - Verified | 7 | 2012 | 2023-06-29 |
| Butyraldehyde | 7 | ||
| Isovaleraldehyde | 7 | ||
| Valeraldehyde | 7 | ||
| Crotonaldehyde | 7 | ||
| Methyl ethyl ketone | 7 | 2019 | 2023-06-29 |
| Methyl Butyl Ketone | 7 | 2019 | 2023-06-29 |
| Methyl isobutyl ketone | 7 | 2019 | 2023-06-29 |
| Ethylene oxide | 7 | ||
| Acetonitrile | 7 | 2019 | 2023-06-29 |
| Acrylonitrile | 7 | 2019 | 2023-06-29 |
| Chloromethane | 7 | 2012 | 2023-06-29 |
| Dichloromethane | 7 | 2011 | 2023-06-29 |
| Chloroform | 7 | 2011 | 2023-06-29 |
| Carbon tetrachloride | 7 | 2011 | 2023-06-29 |
| Bromoform | 7 | 2019 | 2023-06-29 |
| Trichlorofluoromethane | 7 | 2019 | 2023-06-29 |
| Chloroethane | 7 | 2012 | 2023-06-29 |
| 1,1-Dichloroethane | 7 | 2012 | 2023-06-29 |
| Methyl chloroform | 7 | 2012 | 2023-06-29 |
| Ethylene dichloride | 7 | 2012 | 2023-06-29 |
| Tetrachloroethylene | 7 | 2011 | 2023-06-29 |
| 1,1,2,2-Tetrachloroethane | 7 | 2019 | 2023-06-29 |
| Bromomethane | 7 | 2012 | 2023-06-29 |
| 1,1,2-Trichloroethane | 7 | 2019 | 2023-06-29 |
| Dichlorodifluoromethane | 7 | 2019 | 2023-06-29 |
| Trichloroethylene | 7 | 2011 | 2023-06-29 |
| 1,1-Dichloroethylene | 7 | 2012 | 2023-06-29 |
| Bromodichloromethane | 7 | 2019 | 2023-06-29 |
| 1,2-Dichloropropane | 7 | 2011 | 2023-06-29 |
| trans-1,3-Dichloropropene | 7 | 2019 | 2023-06-29 |
| cis-1,3-Dichloropropene | 7 | 2019 | 2023-06-29 |
| Dibromochloromethane | 7 | 2019 | 2023-06-29 |
| Chloroprene | 7 | ||
| trans-1,2-Dichloroethylene | 7 | 2019 | 2023-06-29 |
| cis-1,2-Dichloroethene | 7 | 2019 | 2023-06-29 |
| Ethylene dibromide | 7 | 2012 | 2023-06-29 |
| Hexachlorobutadiene | 7 | 2019 | 2023-06-29 |
| Vinyl chloride | 7 | 2011 | 2023-06-29 |
| m/p Xylene | 7 | 2012 | 2023-07-17 |
| Benzene | 7 | 2011 | 2023-06-29 |
| Toluene | 7 | 2019 | 2023-06-29 |
| Ethylbenzene | 7 | 2019 | 2023-06-29 |
| o-Xylene | 7 | 2012 | 2023-06-29 |
| 1,3,5-Trimethylbenzene | 7 | 2019 | 2023-06-29 |
| 1,2,4-Trimethylbenzene | 7 | 2019 | 2023-06-29 |
| p-Ethyltoluene | 7 | 2012 | 2023-07-17 |
| Styrene | 7 | 2019 | 2023-06-29 |
| Benzaldehyde | 7 | ||
| 2,5-Dimethylbenzaldehyde | 7 | ||
| Tolualdehydes | 7 | ||
| o-Tolualdehyde | 7 | ||
| p-Tolualdehyde | 7 | ||
| m-Tolualdehyde | 7 | ||
| Chlorobenzene | 7 | 2019 | 2023-06-29 |
| 1,2-Dichlorobenzene | 7 | 2019 | 2023-06-29 |
| 1,3-Dichlorobenzene | 7 | 2019 | 2023-06-29 |
| 1,4-Dichlorobenzene | 7 | 2019 | 2023-06-29 |
| Benzyl chloride | 7 | 2019 | 2023-06-29 |
| 1,2,4-Trichlorobenzene | 7 | 2019 | 2023-06-29 |
| 1,4-Dioxane | 7 | 2018 | 2023-07-17 |
| Furan, tetrahydro- | 7 | 2012 | 2023-07-17 |
| Sample Flow Rate- CV | 1 | 1999 | 2004-08-25 |
| Sample Volume | 1 | 1999 | 2004-08-25 |
| Ambient Min Temperature | 1 | 1999 | 2004-08-25 |
| Ambient Max Temperature | 1 | 1999 | 2004-08-25 |
| Average Ambient Temperature | 1 | 1999 | 2004-08-25 |
| Sample Min Baro Pressure | 1 | 1999 | 2004-08-25 |
| Sample Max Baro Pressure | 1 | 1999 | 2004-08-25 |
| Average Ambient Pressure | 1 | 1999 | 2004-08-25 |
| Elapsed Sample Time | 1 | 1999 | 2004-08-25 |
| PM10 Total 0-10um STP | 1 | 1989 | 2020-01-04 |
| PM10 Total 0-10um STP | 2 | 1989 | 1989-10-18 |
| PM10 Total 0-10um STP | 7 | 2012 | 2023-07-17 |
| PM10 Total 0-10um STP | 8 | 2006 | 2006-12-01 |
| Arsenic PM10 STP | 7 | 2011 | 2012-09-30 |
| Beryllium PM10 STP | 7 | 2011 | 2012-09-30 |
| Cadmium PM10 STP | 7 | 2011 | 2012-09-30 |
| Lead PM10 STP | 7 | 2011 | 2012-09-30 |
| Manganese PM10 STP | 7 | 2011 | 2012-09-30 |
| Nickel PM10 STP | 7 | 2011 | 2012-09-30 |
| PM10 - LC | 1 | 1999 | 2020-01-04 |
| PM10 - LC | 2 | 2006 | 2006-12-01 |
| PM10 - LC | 7 | 2012 | 2023-03-31 |
| Antimony PM10 LC | 7 | 2018 | 2023-07-17 |
| Arsenic PM10 LC | 7 | 2012 | 2023-06-29 |
| Beryllium PM10 LC | 7 | 2012 | 2023-06-29 |
| Cadmium PM10 LC | 7 | 2012 | 2023-06-29 |
| Chromium PM10 LC | 7 | 2019 | 2023-06-29 |
| Cobalt PM10 LC | 7 | 2019 | 2023-06-29 |
| Lead PM10 LC | 7 | 2012 | 2023-06-29 |
| Manganese PM10 LC | 7 | 2012 | 2023-06-29 |
| Nickel PM10 LC | 7 | 2012 | 2023-06-29 |
| Selenium PM10 LC | 7 | 2019 | 2023-06-29 |
| PM2.5 - Local Conditions | 1 | 1999 | 2023-07-21 |
| PM2.5 - Local Conditions | 2 | 2022 | 2023-03-31 |
| Black Carbon PM2.5 at 880 nm | 1 | 2011 | 2013-01-31 |
| UV Carbon PM2.5 at 370 nm | 1 | 2011 | 2013-01-31 |
| Acceptable PM2.5 AQI & Speciation Mass | 1 | 2018 | 2021-07-30 |
| Acceptable PM2.5 AQI & Speciation Mass | 3 | 2018 | 2023-07-21 |