2023-05-25_PERMIT FILE - M2022048 ‎(7)‎

• Permit No: M2022048
• IBM Index Class Name: Permit File
• Doc Date: 5/25/2023
• Doc Name Note: Exhibit G - Water Information - Groundwater Quality Monitoring Plan
• Doc Name: Adequacy Review Response
• From: Environment Inc/LG Everist Inc
• To: DRMS
• Email Name: ECS
• Email Name: MAC
• Media Type: D
• Archive: No

Appendix I Tables
Water Quality Parameter Lists
METAL PARAMETERS
Table 4: METAL PARAMETER RATIONAL
Metal concentrations are commonly collected in groundwater.The metals are listed in the tables in Reg
41—Colorado Basic Groundwater Standards. This is a long list of common metals analyzed in
groundwater and will be shortened after baseline data is collected and evaluated.The metals subject to
removal from ongoing regular monitoring are those with a significant number of non-detectable
concentrations (80% or greater) or if the data is determined to be unreliable based upon other factors.
Table 4: Metals
Parameter Frequency
Five Quarters of Baseline;
Antimony annually unless omitted for non-detects or other factors
Arsenic Five Quarters of Baseline;
annually unless omitted for non-detects or other factors
Barium Quarterly Five Quarters of Baseline;
annually unless omitted for non-detects or other factors
Beryllium Five Quarters of Baseline;
annually unless omitted for non-detects or other factors
Five Quarters of Baseline;
Boron annually unless omitted for non-detects or other factors
Cadmium Five Quarters of Baseline;
annually unless omitted for non-detects or other factors
Chromium Five Quarters of Baseline;
annually unless omitted for non-detects or other factors
Cobalt Five Quarters of Baseline;
annually unless omitted for non-detects or other factors
Copper Five Quarters of Baseline;
annually unless omitted for non-detects or other factors
Iron Five Quarters of Baseline;
annually unless omitted for non-detects or other factors
Lead Five Quarters of Baseline;
annually unless omitted for non-detects or other factors
Five Quarters of Baseline;
Manganese annually unless omitted for non-detects or other factors
Molybdenum Five Quarters of Baseline;
annually unless omitted for non-detects or other factors
Five Quarters of Baseline;
Mercury annually unless omitted for non-detects or other factors
Nickel Five Quarters of Baseline;
annually unless omitted for non-detects or other factors
Selenium Five Quarters of Baseline;
annually unless omitted for non-detects or other factors
Silver Five Quarters of Baseline;
annually unless omitted for non-detects or other factors
Thallium Five Quarters of Baseline;
annually unless omitted for non-detects or other factors
Vanadium Five Quarters of Baseline;
annually unless omitted for non-detects or other factors
Five Quarters of Baseline;
Zinc annually unless omitted for non-detects or other factors
MOLEN LG Everist Sampling Plan List of Parameters
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