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SAMPLING SUMMARY: KOPPEL STOCKTON TERMINAL - 2 - <br /> phosphorus. <br /> 2 -phosphorus. Photo #5. Results: this material is a calcium-based soil amendment, and not the cause <br /> of elevated nitrate concentrations in the groundwater. <br /> KOP-7. A teflon dipper was used to collect water from the ponded stormwater north of the <br /> warehouse. Because the dipper was used, sediment was not stirred up, and the sample contained only <br /> clear water. Analyzed for nitrate and ammonia. Sample bottle contained sulfuric acid for a <br /> preservative. Results: 8 mg/l NO3-N and 1.6 mg/I NH3-N. <br /> KOP-8. The trowel was used to collect a soil sample from 0-2" bgs located on the SE corner of the <br /> pond. Algae was present on surface soils, but there was no standing water. The soil was a SM, and <br /> was analyzed for nitrate and ammonia. Results: 26 ppm NO3-N and 39 ppm NH3-N. <br /> KOP-9. The entire east side of the warehouse appears to drain to a ditch along the east edge of the <br /> property. The trowel was used to collect a soil sample from this ditch, approximately 25' south of <br /> the large white tank. The sample was from 4-8" in depth, SC. The ditch was moist from recent <br /> rains, but did not contain standing water in the area of the sample. Analyzed for nitrate and <br /> ammonia. Results: 25 ppm NO3-N and 82 ppm NH3-N. <br /> cc+ results: Dave Marks, Weston <br />