PERMFILE113501

• Permit No: M1999002
• IBM Index Class Name: Permit File
• Doc Date: 4/8/1999
• Doc Name: DRAFT GROUNDWATER AND SURFACE WATER MONITORING PLAN
• From: AMERICAN SODA
• To: DMG
• Media Type: D
• Archive: No

Draft: April 5, 1999 Page i
American Soda, L.L.P.
Yankee Gulch Sodium Minerals Project
GROUNDWATER AND SURFACE WATER MOMTORING PLAN
Table of Contents
' Paee
1.0 INTRODUCTION ......................................................1
' 2.0 GROUNDWATER MONITORING PLAN ........................ .......... 1
2.1 Yankee Gulch Lease Site .................................. .......... 2
' 2.2 Monitoring Well Layout for the Yankee Gulch Lease Site ::::::.:
2.2.1 Multiple-Completion Monitoring Wells :::::::... 5
.. 5
2.2.2 Existing Monitoring Wells .......................... .......... 7
' 2.3 Parachute Site ........................................... ..........9
3.0 GROUNDWATER MONITORING .............................. .......... 9
' 3.1 Water Level Monitoring ............................................ 9
3.2 Groundwater Quality Sample Collection ............................... 11
' 3.3 Groundwater Quality Analytical Parameters ..:::::::::::::::::::::::... 1 I
3.4 Life-of--Mine Groundwater Monitoring Plan .. 12
4.0 SURFACE WATER MONITORING PLAN ..:::::::::::::.:::.::::::::::.. 12
4.1 Piceance Creek Monitoring ........... .. 12
4.2 Parachute Creek Monitoring ........................................ 13
' 4.3 Spring and Seep Monitoring-Yankee Gulch Lease ::::::::::::::::::::.. 13
4.4 Rainfall Monitoring .......... .. 14
' S.0 PROCESSING MONITORING ........................................... 14
5.1 Solution Wells ................................................... 14
' S.2 Solution and Cooling Ponds ...............::::::::.::.:::::::::::.. 15
5.3 Pipeline Monitoring ...................... .. 16
6.0 QUALITY ASSURANCE/QUALITY CONTROL ............................ 16
6.1 Groundwater Sampling Methods ..................................... 17
6.2 Calibration Procedures and Frequency ................................ 17
t 6.2.1 Field Instrumentation .......:.:.::........................... 17
6.2.2 Laboratory Instrumentation .. ........................... 18
6.3 Data Reduction, Validation, and Reporting ............................. 18
' 6.3.1 Data Reduction ............................................. 18
6.3.2 Data Validation ............................................ 18
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Agapito Associates, Inc.