2022-02-09_PERMIT FILE - M2021046 ‎(6)‎

• Permit No: M2021046
• IBM Index Class Name: Permit File
• Doc Date: 2/9/2022
• Doc Name Note: Appendix M QAPP
• Doc Name: Adequacy Review Response
• From: Zephyr Gold USA Ltd
• To: DRMS
• Email Name: TC1
• Email Name: MAC
• Media Type: D
• Archive: No

DGM Environmental Monitoring QAPP
TABLE OF CONTENTS
Section Page Number
1 INTRODUCTION................................................................................................1
2 QUALITY OBJECTIVES ....................................................................................2
3 QUALITY ASSURANCE PROGRAM PLAN (QAPP) DESCRIPTION................3
4 QUALITY ASSURANCE PROGRAM PLAN (QAPP) ORGANIZATION AND
RESPONSIBILITY ...........................................................................................4
5 SAMPLING AND MONITORING........................................................................5
5.1 Sampling and Monitoring Procedures........................................................5
5.2 Sampling and Monitoring Equipment — Use and
Preventive Maintenance.............................................................................5
6 SAMPLE PROCESSING....................................................................................7
6.1 Field Practices ...........................................................................................7
6.1.1 Sample Handling in the Field..........................................................7
6.1.1.1 Sample Acquisition.................................................................7
6.1.1.2 Sample Labeling.....................................................................7
6.1.1.3 Sample Security .....................................................................9
6.1.1.4 Sample Shipment...................................................................7
6.1.2 Sample Field Documentation..........................................................8
7.1.2.1 Sample Collection Documentation .........................................8
7.1.2.2 Chain of Custody Records......................................................8
8 DATA HANDLING AND REDUCTION .............................................................10
8.1 Laboratory Data Records and Data Processing ......................................10
8.2 Dawson Gold Mine Data Review .............................................................10
8.2.1 Data Verification ...........................................................................10
8.2.1.1 Data Verification Request —Assay Correction System.........10
8.2.2 Data Validation .............................................................................10
8.2.2.1 System Evaluation/Audit Program........................................10
8.3 Data Usability Assessment......................................................................11
9 DATA QUALITY INDICATORS AND ASSESSMENT......................................16
9.1 Quality Assurance Indicators ...................................................................16
9.1.1 Quality Assurance Indicators of Field Sampling Performance......16
9.1.1.1 Equipment Blank— Sampling Equipment
Decontamination Effectiveness..........................................16
9.1.1.2 "Blind Samples" - Field Parameter Measurement
Verification .........................................................................16
9.1.1.3 Field Duplicates — Sampling Procedure
Repeatability and Precision................................................16
9.1.2 Quality Assurance Indicators of Analytical
Laboratory Performance .............................................................17
9.1.2.1 "Unknown" Samples .............................................................17
9.1.2.2 Independent Performance Evaluations ................................17
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