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Edgar Evins (ESP127)

Site Photos
Site Information
Site ID ESP127
Site name Edgar Evins
County DeKalb
State abbreviation TN
AQS ID 470419991
Latitude; decimal degrees 36.03893
Longitude; decimal degrees -85.73305
Elevation; m 302
Operating agency EPA
Start date 03/15/1988
Primary Land Use Forest
Terrain surrounding site Rolling
Distance to nearest NTN site; km 126.823
Co-located NADP/AMoN Site ID TN07
View Map View Map
Graphical Results
Composition of total nitrogen deposition by species
Trends in total nitrogen deposition
Trends in wet and dry nitrogen deposition
Composition of total sulfur deposition by species
Trends in total sulfur deposition
Trends in wet and dry sulfur deposition
Trend in maximum 8-hour average ozone concentrations
Trend in 3-year average of ozone W126 index
Site History
OZONE : Ozone dryer installed 25-JUL-17
WIND_DIRECTION : Sensor unwired. 14-JAN-16
SIGMA_THETA : Sensor unwired. 14-JAN-16
SHELTER_TEMPERATURE : A/C and Heat logger control installed. 14-JAN-16
WINDSPEED : Sensor unwired. 14-JAN-16
TEMP2 : Sensor unwired. 14-JAN-16
RELATIVE_HUMIDITY : Sensor unwired. 14-JAN-16
WINDSPEED_SCALAR : Sensor unwired. 14-JAN-16
TEMPERATURE : 9m temperature measurement with passive aspiration installed. 14-JAN-16
OZONE : New certification range for site transfer standard 16-JUL-14
OZONE : Foam insulation added to sample line. 21-JAN-14
OZONE : ZSP order changed to SPZ. 31-AUG-13
OZONE : 10 ft. exhaust tubing added to both analyzers. 25-JAN-12
OZONE : Replacement pressure transducer installed in site analyzer. 25-JAN-12
OZONE : Ozone sample line filter removed from inside the shelter. 13-JUL-11
OZONE : Ozone tubing changed from 3/8 inch to 1/4 inch. 01-FEB-11
OZONE : 40CFR Part 58 ozone site installed using independent site transfer standard. 01-FEB-11
DATALOGGER : CR3000 datalogger installed. Wiring standardized. 14-JUL-09

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