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B.7. Standard Test Method for the Measurement of Water Levels in Groundwater <br /> MonitoringWells........................................................................................................... B-18 <br /> B.7.1. Introduction .................................................................................................................. B-18 <br /> B.7.2. Scope............................................................................................................................. B-18 <br /> B.7.3. Terminology.................................................................................................................. B-18 <br /> B.7.4. Significance and Use...................................................................................................... B-19 <br /> B.7.5. Water-Level Measurements Using an Electric Sounder................................................ B-19 <br /> B.B. Standard Practice for Purging of Monitoring Wells...................................................... B-20 <br /> B.8.1. Introduction .................................................................................................................. B-20 <br /> B.8.2. Scope............................................................................................................................. B-20 <br /> B.8.3. Significance and Use...................................................................................................... B-20 <br /> B.8.4. Procedure: Low Flow Purging Using a Bladder-Type Pump......................................... B-20 <br /> B.8.5. Procedure: Well Bore Fluid Purging Using a Bailer...................................................... B-22 <br /> B.9. Standard Test Method for the Field Measurement of Specific Conductance <br /> (Conductivity)................................................................................................................ B-22 <br /> B.9.1. Introduction .................................................................................................................. B-22 <br /> B.9.2. Scope............................................................................................................................. B-22 <br /> B.9.3. Significance and Use...................................................................................................... B-22 <br /> B.9.4. Interferences................................................................................................................. B-23 <br /> B.9.5. Apparatus...................................................................................................................... B-24 <br /> B.10. Standard Test Method for the Field Measurement of pH ............................................ B-25 <br /> B.10.1. Introduction .................................................................................................................. B-25 <br /> B.10.2. Scope............................................................................................................................. B-25 <br /> B.10.3. Significance and Use...................................................................................................... B-25 <br /> B.10.4. Interferences................................................................................................................. B-26 <br /> B.10.5. Apparatus...................................................................................................................... B-26 <br /> B.11. Standard Test Method for the Field Measurement of Temperature............................ B-27 <br /> B.11.1. Introduction .................................................................................................................. B-27 <br /> B.11.2. Scope............................................................................................................................. B-27 <br /> B.11.3. Significance and Use...................................................................................................... B-27 <br /> B.11.4. Interferences................................................................................................................. B-28 <br /> B.11.5. Apparatus...................................................................................................................... B-28 <br /> B.12. Standard Practice for the Use of a Flow Cell for Field Measurements......................... B-28 <br /> B.12.1. Introduction .................................................................................................................. B-28 <br /> B.12.2. Scope............................................................................................................................. B-28 <br /> B.12.3. Significance and Use...................................................................................................... B-28 <br /> B.12.4. Apparatus...................................................................................................................... B-29 <br /> B.13. Standard Practice for the Collection and Preservation of Liquid Samples ................... B-29 <br /> B.13.1. Scope............................................................................................................................. B-29 <br /> B.13.2. Terminology.................................................................................................................. B-29 <br /> B.13.3. Significance and Use...................................................................................................... B-30 <br /> B.13.4. Apparatus...................................................................................................................... B-30 <br /> B.13.5. Sample Preservation Guidelines................................................................................... B-31 <br /> B.13.6. Quality Assurance.......................................................................................................... B-31 <br /> B.14. Special Sampling Considerations................................................................................... 8-31 <br /> B.14.1. Volatile Organic Compounds (VOC)Analysis................................................................ B-31 <br /> B.14.2. Special Precautions for Trace Contaminant Groundwater Sampling............................ B-32 <br /> B.14.3. Sample Handling and Preservation Requirements....................................................... B-32 <br /> Daub &Associates, Inc. B-iii Natural Soda LLC 2022 SAP <br />