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MONITORING AND REPDXG PROGRAM NO. R5-2015-0810 -4- <br /> GLENN <br /> 4- <br /> GLENN SPRINGS HOLDING, INC. <br /> FORMER OCCIDENTAL CHEMICAL CORPORATION, LATHROP FACILITY <br /> SAN JOAQUIN COUNTY <br /> injection wells currently included in the Site monitoring program. Groundwater <br /> samples shall be collected and analyzed semi-annually or annually for all existing, <br /> wells (with the exception of the wells noted in Table 1), and all new wells shall be <br /> sampled quarterly for a minimum of four quarters. The sampling frequency for <br /> these new wells may be re-evaluated after four quarters. Table 1 lists the wells <br /> and sampling frequency. Table 2 shows the constituents of concern and the <br /> analytical methods and reporting limits for the constituents of concern. <br /> 3. Field parameters shall be measured and recorded for each monitoring point as <br /> shown in the table below. <br /> FIELD PARAMETERS <br /> Parameter Units <br /> Depth to Groundwater ±0.01 ft <br /> Electrical Conductivity 50 PSICM4 <br /> H 0.01 units <br /> Temperature 0.1 °Celsius <br /> Turbidity ± 1 NTU <br /> Pure Rate GPM <br /> Total Gallons Purged - - Gallons <br /> Water Level Ft MSL <br /> ft=foot or feet MEcEiVEL) <br /> PS/CM2-micro siemens per centimeter squared <br /> GPM = gallons per minute SUL Q 2 2015 <br /> NTU = nephelometric turbidity unit <br /> Ft MSL= feet below mean sea level ENVIRONMENTAL <br /> t:C� -r�nC'�nQTeACR,�'F <br />