Iron Graph: Optional (Could also be very small)


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Bulleted List of Analysis, to go before conclusion

Analysis Different heavy metals showed variable concentrations both throughout the pond system and into the pond’s core. The different trends suggest that these metals were likely deposited from different sources and through different processes. Manganese and Iron Higher concentration at Silver Thread source shows these metals may be externally sourced and cannot travel farther downstream High levels of manganese (above 0.05 mg/L) can cause a bad taste in water which may discourage animals from using Paramecium Pond as a drinking source Zinc, Copper, Chromium Concentration also higher at Silver Thread source, trends diverge in rest of system Could be product of runoff or specifically from college road Likely sourced from Paintshop Pond Paintshop Pond is contaminated with toxins and heavy metals due to dumping of paint factory waste from 1848-1920 Likeliest source of zinc , copper , and chromium in Paramecium Pond Heavy metals found in the pond an...
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Intro

Intro (the spacing got messed up in the last paragraph lemme know if you need me to fix it) Paramecium Pond is a man-made system that has been integrated into its natural surroundings over the course of many decades. Built as an addition to the botanic gardens in 1931, the pond’s purpose is purely aesthetic. The pond is fed by the silver stream, a brook which itself is fed by drinking water pumped through a well. The pond drains through a grate on the southwestern end of the pond to Lake Waban. Paramecium Pond has been dredged twice in its history, due to an excess of deposited sediment--once in 1975 and once in 1995. The current depth of the pond floor ranges from <1 foot to around 5 feet deep. Due to its urban location, the pond is subject to runoff and pollutants from within its ecological system that might not be found in a more natural setting. Heavy metals such as zinc, copper, chromium, manganese, and lead can accumulate at the surface of streets and roofs. These and ot...
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