Beltsville (BEL116)

Site Information
Site ID	BEL116
Site name	Beltsville
County	Prince George's
State abbreviation	MD
AQS ID	240339991
Latitude; decimal degrees	39.028177
Longitude; decimal degrees	-76.817127
Elevation; m	47
Operating agency	EPA
Start date	10/25/1988
Primary Land Use	Range
Terrain surrounding site	Flat
NADP/NTN site ID	MD99
Distance to nearest NTN site; km	.02
Co-located NADP/AMoN Site ID	MD99
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	23-AUG-17
OZONE : Air compressor with silica gel and charcoal canisters installed for ozone zero air	12-AUG-15
OZONE : Foam insulation added to sample line.	18-FEB-14
OZONE : Knock-out bottle removed.	18-FEB-14
OZONE : ZSP order changed to SPZ.	24-SEP-13
TEMPERATURE : Collocated 9m temperature measurement with passive aspiration installed.	14-AUG-13
OZONE : 10 ft. exhaust tubing added to both analyzers.	22-FEB-12
OZONE : Replacement pressure transducer installed in site analyzer.	22-FEB-12
TEMPERATURE : Collocated 9m temperature measurement with passive aspiration installed.	28-JUL-11
OZONE : Ozone sample line filter removed from inside the shelter.	25-JUL-11
OZONE : 40CFR Part 58 ozone site installed using independent site transfer standard.	25-FEB-11
OZONE : Ozone tubing changed from 3/8 inch to 1/4 inch.	25-FEB-11
DATALOGGER : CR3000 datalogger installed. Wiring standardized.	08-FEB-08