Stockton (STK138)

Site Information
Site ID	STK138
Site name	Stockton
County	Jo Daviess
State abbreviation	IL
AQS ID	170859991
Latitude; decimal degrees	42.287216
Longitude; decimal degrees	-89.99995
Elevation; m	281
Operating agency	EPA
Start date	12/14/1993
Primary Land Use	Agric
Terrain surrounding site	Rolling
NADP/NTN site ID	WI06
Distance to nearest NTN site; km	95.97
Co-located NADP/AMoN Site ID	IL37
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	15-SEP-17
WINDSPEED : Sensor unwired.	05-SEP-15
WIND_DIRECTION : Sensor unwired.	05-SEP-15
WINDSPEED_SCALAR : Sensor unwired.	05-SEP-15
TEMP2 : Sensor unwired.	05-SEP-15
RELATIVE_HUMIDITY : Sensor unwired.	05-SEP-15
SIGMA_THETA : Sensor unwired.	05-SEP-15
TEMPERATURE : 9m temperature measurement with passive aspiration installed.	05-SEP-15
SHELTER_TEMPERATURE : A/C and Heat logger control installed.	04-SEP-15
OZONE : Knock-out bottle removed.	21-MAR-14
OZONE : Foam insulation added to sample line.	21-MAR-14
OZONE : ZSP order changed to SPZ.	21-MAR-14
OZONE : 10 ft. exhaust tubing added to both analyzers.	05-MAR-12
OZONE : Replacement pressure transducer installed in site analyzer.	05-MAR-12
TEMPERATURE : 9m temperature measurement with passive aspiration installed.	05-SEP-11
OZONE : Ozone sample line filter removed from inside the shelter.	20-MAR-11
OZONE : 40CFR Part 58 ozone site installed using independent site transfer standard.	20-MAR-11
DATALOGGER : CR3000 datalogger installed. Wiring standardized.	27-MAR-09