Title:
Quality Control in a Volunteer Monitoring Program
Quality Control in a Volunteer Monitoring Program
Authors
Mayhew, Mary C.
Mayhew, Edmond A.
Mayhew, Edmond A.
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Abstract
The volunteer monitoring program on Lake
Lanier was established in 1987 to provide baseline data on
water quality. The program was designed with 100 stations
for several reasons: to provide volunteers with the information
about their area of the lake, to obtain baseline data about a
large and diverse water body, and to provide quality control
measures. The stations are sampled by volunteers once a
year in late summer and, in many years, by professionals at
three other times during the year. The laboratory techniques
of weighing filters, measuring conductivity, analyzing for
chlorophyll a and total phosphorus, and the field technique of
measuring Secchi depth were compared for groups of
volunteers, professionals, and volunteers and professionals.
The results showed significant differences due to changes in
equipment used, the method used, and seasonality, but no
significant differences due to type of personnel.
Sponsor
Sponsored and Organized by: U.S. Geological Survey, Georgia Department of Natural Resources, The University of Georgia, Georgia State University, Georgia Institute of Technology
Date Issued
1995-04
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