2016-07-13_HYDROLOGY - M1977348

• Permit No: M1977348
• IBM Index Class Name: Hydrology
• Doc Date: 7/13/2016
• Doc Name: Water Monitoring - Groundwater
• From: Golder Associates
• To: DRMS
• Annual Report Year: 2016
• Report Quarter_Month: 2
• Email Name: ECS
• Media Type: D
• Archive: No

July 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 11/172011 3/27/2012 6/27/2012 9/13/2012 11/13/2012 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 0.04 0.055 0.076 <0.02 U <0.02 U 0.0009 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 2.0 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 0.75 Statistical Limit 0.7 0.5 B 0.62 * 0.7 0.7 0.7 0.8 B 0.5 0.72 0.7 0.7 0.6 0.7 0.63
Chromium,Dissolved m /L 0.3 Statistical Limit <0.02 U <0.02 U <0.02 U <0.02 U <0.02 U <0.02 U 0.0014 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 0.3 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 0.61 Statistical Limit 0.3 B 0.3 B 0.28 * 0.8 <0.5 U 0.6 1.0 <0.5 U 0.32 U 0.8 0.5 U 0.4 B 0.3 B 0.8
Lead,Dissolved m /L 0.05 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 2.5 Statistical Limit 2 1.9 2.25 * 1.8 1.6 1.8 1.9 B 1.9 2.38 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 0.03 Statistical Limit <0.005 U 1 0.001 B I <0.005 U 0.002 B I <0.005 U I <0.005 U I <0.01 U <0.005 U <0.005 U NA NA NA NA NA
Zinc,Dissolved m /L 2.0 Statistical Limit <0.5 U <0.5 U <0.5 U <0.5 U <0.5 U <0.5 U <1.0 U <0.5 U <0.5 U <0.5 U <0.5 U <0.5 U <0.5 U <0.3 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 2.0 Statistical Limit 1.1 1.1 1 1.1 1.1 1.0 1.1 1.2 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 0.04 B 0.04 B 0.04 B NA NA NA NA NA
Nitrite as N m /L 1.0 Statistical Limit <0.05 U 0.01 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 0.04 B 0.04 B NA NA NA NA NA
Lab pH s.0 6.5-8.5 Statistical Limit 8.3 H 8.2 H 8.2 8.2 H 8.3 U 8.1 H 8.1 H 8.1 H 8.2 H 8.1 H 8.2 H 8.1 H 8.1 H 8 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 I±A5 51 ±57 66 ±63 38 ±51 270 ±61 53 ±53 9.9 ±42 NA NA NA NA NA
Supplementary Ana tes Not Historically 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 <20 U <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 39.2 37 37 37 36 36.1
Magnesium,Dissolved m /L none 18 18 38 16 16 17 22 19 18.9 18 18 17 16 16
Potassium,Dissolved m /L none 10 B 12 B 20 B 7.0 B 9.0 B 7.0 B 15 B 10 B 22 10 B 10 B 9.0 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
' A=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'.\15\1547fi75\0110\2ndG201fi GWSampling-Boettcher_DR-01Ju116\Tables\new Tables 1-7 DataRequest_Tables 1-7 xlsxMW-4 Page 1 of 2