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Water Quality

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Maya Pratt

on 26 April 2010

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Transcript of Water Quality

Water Quality Nitrates phosphates Dissolved
oxygen pH the higher the better the lower it gets the worst the water quality a high pH is basic a low pH is acidic Our Group in the field Thank you for watching our presentation found in fertilizers found in detergents Methods and Materials The first thing we did when we were assigned the topic was get into groups. We were assigned team mates by our teacher, who separated us by the talents we each possessed. Then, our class was visited by a “Georgia Adopt-A-Stream” representative, who trained us in water testing. We studied hard, and then the next week, we took the qualifying test that would label us certified. We received certificates if we scored higher than an 80%. After that, we immediately began water testing. Every other day we hiked Arabia Mountain trail, located the river, and began testing water. First, we tested the temperature of the air, like we were trained to do. Then we tested the pH, nitrate level, phosphate level, and amount of dissolved oxygen present in the stream. We proceeded on to observing our results. We also compared them with our classmates to insure that our results were all around the same area. We had to make sure there was not any data lost. So to indemnify that did not occur, we recorded all of our data. Everyday when we returned to the classroom, we discussed our findings. Then came time to narrow down our topics. One of my group members had a fascination with nitrates. So we came up with our current topic, discussing how nitrate levels are affected by fertilizers used on our football field. We then began testing our front and back retention ponds. The back pond was tested because that is where our football is located. The front was tested so that we could have something to compare all of our results to. We followed the steps we used while we were practicing on the trail stream. Introduction Our group consists of Jamee` Carroll, Asha Bashir, Norma Lora, Maya Pratt, Evan Phillips, and Tyauna Ellison. We have an EIC project and the topic is water testing. People test water for a lot of reasons. Some people test it for commercial reasons, while others do it for personal use. Labs also test water for scientific reasons regarding our health. Water was tested to determine several qualities of water. Among the tested were; pH, nitrate & phosphate levels, dissolved oxygen, and temperature. More specifically, how the nitrate levels are affected by the football field. Technically, how the fertilizers used on the football field affect nitrate levels. The front and back retention ponds were tested for all of the above. The focus became the nitrate levels when the topic was narrowed. A nitrate is a salt of nitric acid with an ion composed of one nitrogen and three oxygen atoms. Fertilizers are soil amendments applied to promote plant growth. They are usually applied directly onto the soil. Fertilizers could possibly affect nitrate levels because nitrates form when microorganisms break down fertilizers. So an excess of fertilizers broken down could cause an excess of nitrates being produced. More than 10 ppm nitrate levels can cause serious illnesses, like “blue-baby syndrome”. The groundwater gets contaminated by leaching of nitrate generated from fertilizer used in agricultural lands and waste dumps, babies drink it and their blood becomes oxygen deprived. This leads to death. High nitrate levels can be seriously dangerous to people of all ages, not just babies.
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