2016-12-16_HYDROLOGY - M1977348

• Permit No: M1977348
• IBM Index Class Name: HYDROLOGY
• Doc Date: 12/16/2016
• Doc Name: 4th Quarter 2016 Groundwater Sampling
• From: Golder Associates
• To: DRMS
• Annual Report Year: 2016
• Report Quarter_Month: 4
• Email Name: ECS
• Media Type: D
• Archive: No

December 2016 1547675
Table 4: Summary of Monitoring Results for MW-4
Date Benchmark Benchmark Basis 9/27/2010 3/31/2011 6/28/2011 8/31/2011 11/172071 3/27/2012 6/27/2012 9/13/2012711/13/2C12 3/19/2013 5/28/2013 8/26/2013 11/15/2013 2/18/2014
Level
Metals
Arsenic,Dissolved m /L 0 17 Statistical Limit 0 068 004 0 055 0.076 <0.02 U <0 02 U 00009 B <0 01 U <0 01 U <0 01 U <0 01 U <0 01 U <0.01 U <0 01 U
Barium,Dissolved m /L 20 Regulatory Limit 8.69 8.84 7.83 * 8.93 7.94 8.73 8.41 8.91 8.67 9.22 8.74 9.13 8.8 8.58
Boron.Dissolved m /L 075 Statistical Limit 07 05 B 062 * 07 07 07 0.8 B 0.5 072 07 07 06 07 0.63
Chromium, Dissolved m /L 03 Statistical Limit <0 02 U <0 02 U <0 02 U <0 02 U <0 02 U <0 02 U 00014 B <0 02 U <0 02 U <0.02 U <0 02 U <0 02 U <0 02 U <0.02 U
Copper,Dissolved m /L 03 Statistical Limit <0 5 U <0 5 U <0.5 U <0 5 U <0 5 U <0 5 U <1 U <0 5 U <0 5 U <0 5 U <0.5 U <0 5 U <0 5 U <0 3 U
Iron,Dissolved m /L 061 Statistical Limit 03 B 03 B 028 * 0.8 <0 5 U 06 1.0 <0 5 U 0.32 U 0.8 05 U 04 B 03 B 0.8
Lead, Dissolved m /L 005 Regulatory Limit <0 005 U <0 005 U 0.002 B 0 001 B <0.005 U <0 005 U <0 01 U <0 005 U <0 005 U <0.005 U <0 005 U <0 005 U <0 005 U <0 005 U
Lithium,Dissolved m /L 25 Statistical Limit 2 1 9 225 * 18 1 6 1 8 1.9 B 1 9 238 NA NA NA NA NA
Manganese, Dissolved m /L 1 2 Statistical Limit <0.3 U <0 3 U <0 3 U <0 3 U <0 3 U <0 3 U <0 5 U <0 3 U 0 018 B <0 3 U <0 3 U <0.3 U <0 3 U <0 1 U
Selenium, Dissolved m /L 0 02 Statistical Limit <0 003 U 0 012 <0 003 U <0 003 U <0 003 U 0.007 0.0029 <0 003 U 0.002 B 0.003 B 0 006 <0.003 U <0 003 U <0 003 U
Thallium,Dissolved m /L 0.01 Statistical Limit <0 005 U 0 001 B <0 005 U <0 005 U <0 005 U <0 005 U <0 01 U <0 005 U <0 005 U <0.005 U <0 005 U <0 005 U <0 005 U <0 005 U
Uranium, Dissolved m /L 003 Statistical Limit <0 005 U 0 001 B <0.005 U 0 002 B <0 005 U <0 005 U I <0 01 U <0 005 U <0 005 U NA NA NA NA NA
Zinc,Dissolved m /L 20 Statistical Limit <0 5 U <0 5 U <05 U <0 5 U <0 5 U <0 5 U <1 0 U <0 5 U <05 U <0 5 U <0 5 U <0 5 U <05 U <03 U
Other
Chloride m /L 8,895 Statistical Limit 6,300 6,200 6,200 6,500 6,282 6,063 6,105 6,566 6,077 6,744 6,490 6,470 6,750 7,080
Fluoride m /L 20 Statistical Limit 1 1 1 1 1 1 1 1 1 1.0 1 1 12 1 1 1.1 1 1 1.1 1 1 1.1
Nitrate as N m /L 10 Statistical Limit <0 1 U <0 1 U <0 1 U <0 1 U <0 1 U 1 83 004 B 004 B 004 B NA NA NA NA NA
Nitrite as N m /L 1 0 Statistical Limit <0 05 U 001 B <0 05 U <0.05 U <0 05 U <0 05 U <0 05 U <0.05 U <0 05 U NA NA NA NA NA
Nitrate+Nitrite as N m /L 10 Statistical Limit <0.1 U 0.02 B <0 1 U <0 1 U <0.1 U 1 83 0.04 B 004 B 004 B NA NA NA NA NA
Lab pH s u 6 5-8 5 Statistical Limit 83 H 82 H 82 82 H 8.3 U 8 1 H 8.1 H 8.1 H 82 H 81 H 8.2 H 81 H 8.1 H 80 H
Total Dissolved Solids,filterable residue m /L 10,212 Regulatory Limit 11,000 11,100 11,100 10,900 11,100 11,200 10,800 11,100 10,800 11,100 11,000 10.900 10,300 H 10,800 H
Sulfate m /L 1,322 Statistical Limit <500 U <500 U <500 U <300 U <500 U <500 U <500 U <500 U <500 U <500 U <500 U <500 U <500 U <500 U
Gross Alpha Ci/L 15 Regulatory Limit -10 ±39 73 ±47 16 ±37 40 ±52 19 ±52 -33 ±18 260 ±76 -0 11 ±17 -15 ±30 NA NA NA NA NA
Gross Beta Ci(L none -7 5 ±53 80 ±49 22 ±45 51 ±57 66 ±63 38 ±51 270 ±61 53 ±53 9 9 ±42 NA NA NA NA NA
Supplementary Anal tes Not Historical) anal zed
Bicarbonate as CaCO3 m /L none 585 565 569 562 573 597 580 576 571 573 567 590 576 606
Carbonate as CaCO3 m /L none 16 B <20 U <20 U <20 U <20IB
<20 U <20 U <20 U <20 U <20 U <20 U <20 U <20 U <20 U
Calcium,Dissolved m /L none 37 38 79 37 35 36 42 38 392 37 37 37 36 36.1
Magnesium, Dissolved m /L none 18 18 38 16 16 17 22 19 189 18 18 17 16 16
Potassium, Dissolved m /L none 10 B 12 B 20 B 70 B 9 0 70 B 15 B 10 B 22 10 B 10 B 90 B 9 B 9
Sodium,Dissolved m /L none 4,270 4,180 4,280 4,200 3,930 4,220 4,240 4,250 4,150 4,390 4,260 4,350 4,070 4,120
Notes•
B=Estimated value,less than the practical quantitation limit for that analyte,but greater than the method detection limit
U=Analyte not detected,reported less than the practical quantitation limit
H=Analysis exceeded method hold time pH is a field test with an immediate hold time
NA=Analyte not analyzed
^=Second and third quarter 2015 reports presented calculated total dissolved solids results
*Reanalysis performed for analyte,reanalysis result reported
Values in Bold exceeded benchmark levels
Determination of benchmark levels presented in Golder 2011, Results of the September 2010 Groundwater Monitoring Event
near the Cement Kiln Dust Disposal Area A2 at the Boettcher Limestone Quarry,La Porte Colorado (January 6)
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I NSN5476 7510 11 0\4th�2016 GWSamplmg-Boettcher_Dq-09Deci6\Tables\Tables 1-7 xlsxMW-4 Page 1 of 2 Golder
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