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_ 4 <br /> :r <br /> it <br /> i, <br /> I <br /> WATER LEVEL MEASUREMENT PROTOCOL <br /> A Solinstrm electric' water level meter will be used to measure the depth to I' <br /> water. Depths will be measured to an accuracy. of 0.01 feet from a designated point on <br /> .. r <br /> the top of each well .casing. Prior to use at each monitoring well, the water sensing <br /> probe' and a portion of the measuring tape will be washed. with TSP'M (tri-sodium <br /> phosphate), rinsed with clean tap water and deionized water, then allowed to air dry <br /> to reduce the possibility of cross-cor4amination. The' water level probe will be� <br /> lowered until the top of the water surface within the monitoring well is detected. +: <br /> Once'' the water surface is detected, a continuous signal from the meter will sound. <br /> The ;depth to water measurement will be performed at least three times for each <br /> monitoring well to verify the initial measurement obtained. A final depth to water ; <br /> measurement will be recorded on a standard ESE form. <br /> �r <br /> 111, I <br /> I <br /> ilI <br /> el <br /> Ii <br /> :i <br /> R I. <br /> I <br /> F II€1 <br /> r <br /> € <br /> - i <br /> :I <br /> I <br />. i <br /> ' f <br /> :i <br /> i <br />