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The Leadville Mill Environmental Sampling Procedures <br />Water Sample Collection <br />Page 2 -5 <br />pH Electrometric, Lab Analysis In Water, Method E021402WF, Storet No. 00403, <br />Michigan Department of Natural Resources, Environmental Laboratory, 1983. <br />Test Methods for Evaluating Solid Waste, Volume 1C Laboratory Manual <br />Physical /Chemical Methods, Method 9040, U.S. Environmental Protection Agency, <br />Office of Solid Waste and Emergency Response, Washington D.C., 1986, pp. 9040 -1 to <br />9040 -4. <br />Methods for Chemical Analysis of Water and Wastes, pH, Storet No. 00400, Specific <br />Conductance, Storet No. 00095, U.S. Environmental Protection Agency, Technology <br />Transfer, EPA - 625/6 -74 -003, 1974, pp. 239 -240 and pp. 275 -276. <br />Conductivity (Specific Conductance) Conductimetric Flow - Through Cell In Water, <br />Method E023 401WF, Storet No. 00095, Michigan Department of Natural Resources, <br />Environmental Laboratory, 1983. <br />2.3 FIELD SAMPLING STREAM CHANNELS, SPRINGS, SEEPS <br />This sampling procedure shall be utilized to collect aqueous samples from stream <br />channels, drainage ditches, and springs or seeps. The samples collected will be <br />composite or grab samples depending upon the sampling site. <br />2.3.1 SAMPLING PROCEDURE: <br />1. Wearing disposable surgical gloves and proper eye protection, rinse a clean 1- <br />or 2- liter plastic bottle or decontaminated sampling beaker three times with <br />stream water. <br />2. Rinse a set of clean sample bottles (for unfiltered samples) three times with <br />stream water. <br />3. If the channel width is less than 5 feet across, collect grab sample from the <br />center of the channel. If channel width is greater than 5 feet, divide channel <br />into 5 -foot sections and collect a composite sample at the center of each <br />section to obtain a channel- integrated sample. <br />4. Submerse sampling container in water, mouth pointing upstream and below <br />the water surface. Samples shall be collected from the approximate midpoint <br />between the stream bed and the stream surface. Take care not to collect any <br />April 2013 <br />