Robert L. McCall 2nd

Robert L. McCall 2nd

319 West Main St. Greenfield, TN 38230

Greenfield High School and Weakley County Schools

High School Science Teacher


Published on Sep 27, 2018

September 27: Greenfield Public Library Demonstration

Josh Floyd and I (Robert McCall) demonstrated the use of the water quality probes to the Greenfield Public Library Staff. Photos below display the demonstration.Two other students will demonstrate...

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Published on Sep 26, 2018

September 26th: Probe Demonstration and Local Libraries

On September 17th the Research Team demonstrated the process of how to use the water quality probes at the Weakley County Courthouse. There were approximately 25 to 30 people present for the demon...

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Published on Aug 30, 2018

August 30th: Public Access to Probes and Demonstration for County

The research team has called all the residents that water samples were obtained from and informed them of their water quality results.The team has also contacted 5 libraries in Weakley County to de...

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Published on Aug 11, 2018

August 11th: Probe Generated Data and Contacting Residents

The research team is currently contacting residents to inform them of the results of the research.The team is still contacting local libraries and other institutions for the purpose of residents ch...

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Published on Jul 31, 2018

July 31st: Probe Kits, Display, and Fixing Electrodes

We completed two Probe kits today that will be donated to the Regional office in West Tennessee for Water Quality Testing. The other probe will be donated to the Health Department in Weakley Count...

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Published on Jul 27, 2018

July 27th: ASV Testing and Metal Concentrations, 3d Printed Boxes, and Kit Assembly

The Research Team completed all the 3D printed boxes for the Wheestat probes today and labeled each with its appropriate stickers. The picture below represents the finished 3D printed box. The re...

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Published on Jul 25, 2018

July 25th: RAMP Test, 3rd Version 3D Print, and Probe Boxes

The Research team ran a RAMP test program on the probes today to make sure that we are getting current and voltage through a resistor before testing sample solutions. In the picture below this is ...

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Published on Jul 24, 2018

July 24th: 3rd Housing Unit Design and Probe User Instructions

The research team tested the second version of the 3D printed housing unit for the probes today. The 2nd version did not work properly and we redesigned the housing unit again. The 3rd version wa...

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Published on Jul 23, 2018

July 23rd: Probe Housing Unit and Standard Solutions

The research team complete the dilution of standard solutions today from 10 ppm to 0.01 ppm. The standard solutions include the following metal ions: Cd, Cr, As, Ni, and Pb. Below is a picture of...

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I will post a picture of the probe being used with the software interface as well as a link to a spreadsheet where we have recorded values using the probes. The spreadsheet also calculates the concentration for a metal ion based on x and y values inserted into the sheet from the probes user interface. Give me until the end of week to complete this
Aug 05, 2018
Testing Water Quality and Its Correlation with Disease Diagnoses in Weakley County, TN
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Let me know if you need anything else Dr. Goulding. I will be pleased to help you out in any way possible with the research.
Jun 07, 2018
Eco-friendly and affordable molecular weaponry against snails that transmit schistosomiasis
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I am looking forward to the scientific discoveries that will be made with this project.
Jun 07, 2018
Eco-friendly and affordable molecular weaponry against snails that transmit schistosomiasis
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