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Stockton (STK138)

Site Photos

Site Information

Site ID STK138
Site name Stockton
County Jo Daviess
State abbreviation IL
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 site code IL18
Distance to nearest NADP site; km 107.173
AMoN Site ID IL37
Does site conform to assumptions of MLM? Mixed

Site History

OZONE : ZSP order changed to SPZ. 21-MAR-14
OZONE : Foam insulation added to sample line. 21-MAR-14
OZONE : Knock-out bottle removed. 21-MAR-14
OZONE : Replacement pressure transducer installed in site analyzer. 05-MAR-12
OZONE : 10 ft. exhaust tubing added to both analyzers. 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

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 ozone 8-hour average concentrations

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