Turbidity+Procedure

Turbidity-Beretta and Shana Materials: On Site:  Classroom: 
 * Secchi Disk
 * Row Boat and Life Vest
 * 1 Collection Bottle
 * Spec-20 Machine
 * 1) Row out to the middle of the marsh with the secchi disk and collection bottle.
 * 2) Drop the secchi disk into the water.
 * 3) Using the markings (1 meter each) on the rope measure and record when you lose sight.
 * 4) Slowly pull the secchi disk back up and measure and record where you gain sight again.
 * 5) Average the two measurements together for test results.
 * 6) Fill the collection bottle with water.
 * 1) <span style="font-family: 'Times New Roman',serif; font-size: 12pt;">Obtain the spec-20 machine
 * 2) <span style="font-family: 'Times New Roman',serif; font-size: 12pt;">Enter the stored program number for turbidity (750 Read/Enter).
 * 3) <span style="font-family: 'Times New Roman',serif; font-size: 12pt;">Rotate the wavelength dial until the small display shows 450nm.
 * 4) <span style="font-family: 'Times New Roman',serif; font-size: 12pt;">Press Read/Enter. The display will show FTU Turbidity.
 * 5) <span style="font-family: 'Times New Roman',serif; font-size: 12pt;">Pour 25ml of demineralized water (the blank) into a sample cell.
 * 6) <span style="font-family: 'Times New Roman',serif; font-size: 12pt;">Place the blank into the cell holder. Close the light shield.
 * 7) <span style="font-family: 'Times New Roman',serif; font-size: 12pt;">Press zero. The display will show: Wait then 0. FTU Turbidity.
 * 8) <span style="font-family: 'Times New Roman',serif; font-size: 12pt;">Pour 25ml of marsh water into another sample cell. Immediately place this sample into the cell holder. Close the light shield.
 * 9) <span style="font-family: 'Times New Roman',serif; font-size: 12pt;">Press: Read/Enter. The display will show: Wait then the result in FTU will be displayed.