Virginia Acid Precipitation Network-Precipitation Chemistry Data

Direct Link to Data	Download Data in an Excel Worksheet
Chesterfield	Chesterfield
Fairfax	Fairfax
Hampton	Hampton
Louisa	Louisa
Luray	Luray
Occoquan	Occoquan
Page Co.- Massanutten	Page Co.- Massanutten
Petersburg	Petersburg
Roanoke	Roanoke
Rockbridge	Rockbridge
West Point	West Point
Wise	Wise

Data are provided for the following parameters:

• CAL Code - Station site number
• Date On - Bucket on date
• Date Off - Bucket off date
• YrMo - Year and Month
• YrQr - Year and Quarter
• Events - Number of precipitation events
• (F)Temp - Field temperature (^oC)
• (F)Cond - Field conductivity
• (L)pH - Laboratory pH
• (L)Acidity - Laboratory acidity
• (L)Temp - Laboratory temperature (^oC)
• Phosphate - Phosphate concentration (mg/L)
• Sulfate - Sulfate concentration (mg/L)
• Nitrate - Nitrate concentration (mg/L)
• Chloride - Chloride concentration (mg/L)
• Fluoride - Fluoride concentration (mg/L)
• Ammonium - Ammonium concentration (mg/L)
• Bromide - Bromide concentration (mg/L)
• Calcium - Calcium concentration (mg/L)
• Potassium - Potassium concentration (mg/L)
• Magnesium - Magnesium concentration (mg/L)
• Sodium - Sodium concentration (mg/L)
• AL - Aluminum concentration (mg/l)
• AS - Arsenic concentration (mg/l)
• FE - Iron concentration (mg/l)
• MN - Manganese concentration (mg/l)
• NI - Nickel concentration (mg/l)
• PB - Lead concentration (mg/l)
• SE - Selenium concentration (mg/l)
• V - Vanadium concentration (mg/l)
• ZN - Zinc concentration (mg/l)
• Sample Vol (mL) - Sample volume (mL)
• RG ppt - Rainguage precipitation (inches)
• Sample ppt ­ Bucket precipitation (inches)

mg/l represents parts per billion

Note that in the database, a "- -" indicates a value that is not available, while a "<" or "0" indicates a value that is below the detection limit. Also, note that metals data are not available for the Occoquan monitoring site.

Go to the Program Information for these sites.