Laserfiche WebLink
MONITORING AND REPORTING PROGRAM - 3 _ <br /> DEFENSE DISTRIBUTION REGION WEST, TRACY <br /> SAN JOAQUIN COUNTY. <br /> schedule. Wells designated for monitoring shall be established through the CERCLA process <br /> and approved by the Board's staff in conjunction with the Department. A list of well <br /> designations shall be kept with this Order after establishment. <br /> Type of Sampling <br /> Constituents Unita Samnle Frequency <br /> Volatile Organics' µg/1 Grab , Quarterly <br /> Specific Conductivity µmhos/cm Grab Quarterly <br /> pH pH Units Grab Quarterly <br /> Temperature °F/°C Grab Quarterly <br /> Total Petroleum HCs' mg/I Grab Quarterly <br /> -Pesticides' µg/1 Grab Quarterly <br /> Metals' µg/1 Grab Annually <br /> Arsenics µ9/1 Grab Annually <br /> Chromium (total)' 141 Grab Annually <br /> Mercury' µ9/1 Grab Annually <br /> Selenium' µg/1 Grab Annually <br /> Total Volume of <br /> Water Extracted' Gallons Meter Continuous <br /> Ground Water Elevation' Feet, MSL Measurement Quarterly <br /> EPA Methods 601 and 602 5 Using Atomic Absorption <br /> 2 Modified EPA Method 8015 6 For Extraction Wells only <br /> 3 EPA Method 8081 ' For Performance Monitoring and <br /> ' Metals using ICAP or equivalent Monitoring wells <br /> INJECTION WELL MONITORING <br /> During the injection of treated water into injection wells, the injection wells shall be monitored <br /> in accordance with the following schedule. <br />