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IN Volunteer Lake Monitoring Program

Page history last edited by lesman@... 9 years, 7 months ago

Volunteers with the Indiana Volunteer Lake Monitoring Program collect seven parameters.  Field and laboratory protocols are described or linked below.

 

IN Volunteer Lake Monitoring Program contact:

Sarah Powers

Indiana Clean Lakes Program

Indiana University

1315 East 10th Street, Rm 375

Bloomington IN 47404

Office: (812) 855-7980

E-mail: sarellis@indiana.edu

 

 

Protocol information updated: July 2014

Parameter

 Field Protocol

Laboratory Protocol

Chlorophyll a

Expanded Volunteer Lake Monitoring Manual, page 12

Chlorophyll a concentration is determined using the acetone extraction, grinding, and spectrophotometric method in Standard Methods for the Examination of Water and Wastewater, 20th ed (Section 10200 H).  A Varian model DMS-80 spectrophotometer is used for this analysis

Dissolved

Oxygen (DO)

Volunteer Lake Monitoring Manual, page 13

Not applicable

    Invasive Aquatic Plants Aquatic Invasive Species Manual Not applicable
Lake Level

Volunteer Lake Monitoring Manual, page 5

Not applicable

Total

Phosphorus

Expanded Volunteer Lake Monitoring Manual, pages 12

A 50-ml aliquot of sample is analyzed for total phosphorus by sulfuric acid-nitric acid digestion (Standard Methods for the Examination of Water and Wastewater, 20th ed, Section 4500-P B) on LabConCo Micro-Kjeldahl model 60300 digesters.  The final phosphorus measurement is determined by the ascorbic acid method of colorimetry listed in Standard Methods for the Examination of Water and Wastewater, 20th ed (Section 4500-P E).  A Varian model DMS-80 spectrophotometer is used in this analysis.  Calibration is conducted with at least five serial dilutions of a standard phosphate solution and a solution blank.

Transparency

(Secchi depth)

Volunteer Lake Monitoring Manual, page 6

Not applicable

Water Color

Volunteer Lake Monitoring Manual, page 5

Not applicable

Water

Temperature

Volunteer Lake Monitoring Manual, page 13

Not applicable

 

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