2024-01-17_REVISION - M2015030

• Permit No: M2015030
• IBM Index Class Name: Revision
• Doc Date: 1/17/2024
• Doc Name: Adequacy Review Response
• From: Asphalt Specialties CO
• To: DRMS
• Type & Sequence: AM2
• Email Name: ECS
• Email Name: MAC
• Media Type: D
• Archive: No

Chavers Mining Resource Table 2
Groundwater Quality Standards
INS Table 1 INS Table 2 INS Table 3 INS Table 4 Lowest IN Tables 1-4 Chavers
Analytes CAS No. Units Domestic Wate r Supply: Domestic Water Supply: Groundwater Quality Groundwater Quality
Agricultural Standards TOS Water Quaity Standards Standards Standards
Human Health Standards Drinking Water Standards
Dissolved
Aluminum 7429-90-5 mg/L -- -- 5 -- 5 5
Antimony 7440-36-0 mg/L 0.006 - - -- 0.006 0.006
Arsenic 7440-38-2 mg/L 0.01 -- 0.1 -- 0.01 0.01
Banum 7440-39-3 mg/L 2 -- - -- 2 2
Beryllium 7440-41-7 mg/L 0.004 -- 0.1 -- 0.004 0.004
Boron 7440-42-8 mg/L -- -- 0.75 -- 0.75 0.75
Cadmium 7440-43-9 mg/L 0.005 -- 0.01 -- 0.005 0.005
Chloride 16887-00-6 mg/L - 250 -- - 250 250
Chromium(Total)[Cr(III)+Cr(VI)I 7440-47-3 mg/L 0.1 - 0.1 - 0.1 0.1
Cobalt 7440-48-4 mg/L -- -- 0.05 - 0.05 0.05
Copper 7440-50-8 mg/L -- 1 0.2 -- 0.2 0.2
Flounce 16984-48-8 mg/L 4 -- 2 - 2 2
Iron 7439-89-6 mg/L - 0.3 5 - 0.3 0.3
Lead 7439-92-1 mg/L 0.05 -- 0.1 - 0.05 0.05
Lithium 7439-93-2 mg/L -- -- 2.5 - 2.5 2.5
Manganese 7439-96-5 mg/L - 0.05 0.2 - 0.05 0.397
Molybdenum 7439-98-7 mg/L 0,21 - -- -- 0.21 0.21
Nickel 7440-02-0 mg/L 0.1 - 0.2 -- 0.1 0.1
Nitrate(NO3) 14797-55-8 mg/L 10 - -- -- 10 10
Nitrite(NO2) 14797-65-0 mg/L 1 -- V__
-- 1 1
Nitrate-Nitrite,Total(NO2+NO3) -- mg/L 10 -- 0 - 10 10
Selenium 7782-49-2 mg/L 0.05 -- 2 -- 0.02 0.02
Silver 7440-22-4 mg/L 0,05 -- -- 0.05 0.05
Sulfate 14808-79-8 mg/L -- 250 -- 250 301.12
Thallium 7440-28-0 mg/L 0.002 -- -- 0.002 0.002
Total Dissolved Solids(TDS) 10-33-3 mg/L -- -- - Based on Result 1.25 x Background 1267.5
Uranium 7440-61-1 mg/L 0.03 -- -- -- 0.03 0.03
Vanadium 7440-62-2 mg/L -- -- 0.1 - 0.1 0.1
Zinc 7440-66-6 mg/L - 5 2 -- 2 2
Other
pH -- mg/L -- 6.5-85 6.5-8 5 -- 6.5-8.5 6.5-8.5
Notes
=Lowest INS Table 1-4 Standard
=Groundwater Quality Standard per Lowest INS Table 1-4 Standard
=Site-specific Groundwater Quality Standard per Baseline Sampling Results
All samples are filtered through 0.45 micron filter prior to preservation
Parameters Excluded from Groundwater Monitoring Program: INS Table 1 INS Table 2 INS Table 3 INS Table 4
Total Coliforms(30 day average) Chlorophenol Mercury None
Total Coliforms(max in 30 days) Color
Asbestos Corrosivity
Cyanide[Free] Foaming Agents
Mercury Odor
Gross Alpha Particle Activity Phenol
Beta and Photon Emitters