2019-10-21_REVISION - M2002004

• Permit No: M2002004
• IBM Index Class Name: REVISION
• Doc Date: 10/21/2019
• Doc Name: Request for Technical Revision
• From: GCC Rio Grande
• To: DRMS
• Type & Sequence: TR7
• Email Name: JPL
• Email Name: JLE
• Media Type: D
• Archive: No

Title: Sampling and Analysis Plan for Environmental Control Number: Revision Date:
Groundwater Monitoring PUE.EN.D.026.03 10/18/2019 Page 3 of 23
Table of Contents
1.0 Introduction and Sampling Objectives.........................................................................5
2.0 Groundwater Sampling Locations and Frequency......................................................5
2.1 Sampling Locations .................................................................................................6
2.2 Monitoring Frequency .............................................................................................6
3.0 Sampling Methods ..........................................................................................................6
3.1 Documentation and Records ...................................................................................6
3.2 Water Level Measurements .....................................................................................7
3.3 Field Water Quality Measurements.........................................................................7
3.4 Groundwater Sample Collection Procedures...........................................................7
3.4.1 Method A for Groundwater Sample Collection ...........................................8
3.4.2 Method B for Groundwater Sample Collection............................................9
3.4.3 Method C for Groundwater Sample Collection............................................9
3.5 Equipment Decontamination Procedures...............................................................10
3.6 Sample Handling and Custody Requirements .......................................................10
3.6.1 Sample Handling ........................................................................................11
3.6.2 Sample Custody Documentation ................................................................11
3.7 Field Quality Assurance/Quality Control (QA/QC) Samples................................12
4.0 Laboratory Analysis and Analytical Parameters.......................................................12
4.1 Laboratory Analysis...............................................................................................12
4.2 Analytical Parameters............................................................................................12
5.0 Data Quality, Validation and Usability ......................................................................13
5.1 Data Quality Objectives.........................................................................................13
5.2 Data Review, Validation and Verification Requirements......................................14
5.2.1 Data Validation ..........................................................................................14
5.2.2 Laboratory Data Verification......................................................................16