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Laurel Hill (LRL117)

Site Photos
Site Information
Site ID LRL117
Site name Laurel Hill
County Somerset
State abbreviation PA
AQS ID 421119991
Latitude; decimal degrees 39.988309
Longitude; decimal degrees -79.251573
Elevation; m 609
Operating agency EPA
Start date 12/11/1987
Primary Land Use Forest
Terrain surrounding site Complex
Distance to nearest NTN site; km 37.511
Co-located NADP/AMoN Site ID PA97
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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
SHELTER_TEMPERATURE : A/C and Heat logger control installed. 16-JUL-15
WINDSPEED_SCALAR : Sensor unwired. 06-NOV-14
WIND_DIRECTION : Sensor unwired. 06-NOV-14
WINDSPEED : Sensor unwired. 06-NOV-14
SIGMA_THETA : Sensor unwired. 06-NOV-14
TEMPERATURE : 9m temperature measurement with passive aspiration installed. 06-NOV-14
TEMP2 : Sensor unwired. 06-NOV-14
RELATIVE_HUMIDITY : Sensor unwired. 06-NOV-14
OZONE : ZSP order changed to SPZ. 07-MAY-14
OZONE : Foam insulation added to sample line. 07-MAY-14
OZONE : New certification range for site transfer standard 07-MAY-14
OZONE : Knock-out bottle removed. 07-MAY-14
OZONE : Replacement pressure transducer installed in site analyzer. 17-MAY-12
OZONE : 10 ft. exhaust tubing added to both analyzers. 17-MAY-12
OZONE : Ozone tubing changed from 3/8 inch to 1/4 inch. 24-MAR-11
OZONE : 40CFR Part 58 ozone site installed using independent site transfer standard. 24-MAR-11
OZONE : Ozone sample line filter removed from inside the shelter. 24-MAR-11
DATALOGGER : CR3000 datalogger installed. Wiring standardized. 12-MAY-09

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