2008-04-15_REVISION - M1980244 ‎(318)‎

• Permit No: M1980244
• IBM Index Class Name: REVISION
• Doc Date: 4/15/2008
• Doc Name: VOL II Appendix 2, Attachment A- Main Project Area Hydrologi Monitoring Data Summaries
• From: CC&V
• To: DRMS
• Type & Sequence: AM9
• Media Type: D
• Archive: No

Table A26 SG-04PZ Water chemistry summary statistics
Station Identification:
Location:
Station type:
Period of Record Start:
Period of Record End:
•
SG-04PZ
Squaw Gulch
Groundwater
September 21, 2006
February 20, 2008
Parameters Units Number of analytes Number of
nondetected values Maxium
valmue Minimum
value Average Standard
deviation
Field Parameters
Water Level ft bgl 8 0 7.75 3.58 4.40 1.58
Water Temp, C C 7 0 9.2 3.9 6.9 1.9
Conductivity pmhos 7 0 941.00 630.00 822.29 100.70
pH su 7 0 6.2 4.6 4.9 0.6
Dissolved Oxygen mg/l 7 0 7.20 6.30 6.76 0.32
General Parameters
Total Dissolved Solids mg/1 7 0 775 517 674 89
Acidity mg/I 7 0 64.0 10.0 42.6 17.4
Alkalinity as CaCO3 mg/1 7 7 <10 <10 5 ID
Ammonia mg/1 7 6 0.12 <0.05 0.04 0.04
Hardness mg/1 7 0 417 319 387 34
Total Suspended Solids mg/1 7 5 77 <10 24 32
Special Parameters
CN, Free mg/l 7 7 <0.01 <0.01 0.01 ID
WAD CN mg/1 7 7 <0.01 <0.01 0.01 ID
Major Anions
Bicarbonate ion (as CaCO3) mg/1 0 0 NA NA NA NA
Carbonate ion (as CaCO3) mg/1 0 0 NA NA NA NA
Chloride mg/I 7 0 7.50 2.25 6.07 1.81
Fluoride mg/l 7 0 4.48 1.75 3.14 1
11
Nitrate mg/1 7 0 5.07 1.02 3.68 .
1.32
Sulfate mg/1 7 0 486.00 330.00 420.71 55.54
Major Cations
Calcium mg/1 7 0 115.00 95.90 109.13 6.45
Magnesium mg/l 7 0 32.80 19.40 27.90 4.53
Potassium mg/l 7 0 6.03 3.01 4.10 0.97
Sodium mg/1 7 0 22.00 5.71 15.70 5.29
Trace Metals
Arsenic, (dissolved) mg/1 7 7 <0.005 <0.005 0.003 ID
Cadmium, (dissolved) mg11 7 0 0.016 0.003 0.012 0.005
Chromium, (dissolved) mg/l 7 7 <0.001 <0.001 0.001 ID
Copper, (dissolved) mg/l 7 1 0.036 <0.005 0.026 0.012
Iron, (dissolved) mg/1 7 7 <0.05 <0.05 0.03 ID
Lead, (dissolved) mg/l 7 7 <0.001 <0.001 0.0005 ID
Manganese, (dissolved) mg/1 7 0 4.65 1.23 3.58 1.25
Mercury, (dissolved) mg/1 0 0 NA NA NA NA
Nickel, (dissolved) mg/l 7 0 0.09 0.02 0.07 0.02
Selenium, (dissolved) mg/1 7 7 <0.005 <0.005 0.0025 ID
Silver, (dissolved) mg/1 7 7 <0.001 <0.001 0.001 ID
Zinc, (dissolved) mg/1 7 0 0.77 0.23 0.57 0.20
NA: Not analyzed
ID: Insufficient data
Nondetects set to Yz detection limit for calculations
0