Laurel Hill (LRL117)

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
NADP/NTN site ID	MD08
Distance to nearest NTN site; km	37.511
Co-located NADP/AMoN Site ID	PA97
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
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