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 A19 SG-05 Water chemistry summary statistics
Station Identification:
Location
Station Type:
Period of Record Start:
Period of Record End:
•
SG-05
Squaw Gulch
Surface Water
August 4, 1998
February 20, 2008
Parameters Units Number of analytes Number of
nondetected values Maximum
value Minimum
value Average Standard
deviation
Field Parameters
Flow gpm 31 25 35.90 <0 2.07 7.52
Water Temperature C 6 0 12.0 6.8 8.6 1.8
Conductivity pmhos 6 0 821.00 491.00 586.17 120.83
pH su 6 0 4.8 3.7 4.2 0.4
Dissolved Oxygen mg/1 6 0 9.22 5.50 7.49 1.67
General Parameters
Total Dissolved Solids mg/1 5 0 692 418 517 123
Acidity mg/1 5 0 50.0 16.0 39.2 14.2
Alkalinity as CaCO3 mg/1 1 1 <10 <10 5 ID
Ammonia mg/1 5 5 <0.05 <0.05 0.03 ID
Hardness mg/I 5 0 343.00 202.00 258.60 55.47
Total Suspended Solids mg/1 5 5 <10 <10 5.00 ID
Special Parameters
CN, Free mg/1 5 5 <0.01 <0.01 0.01 ID
WAD CN mg/1 5 5 <0.01 <0.01 0.01 ID
Major Anions
Bicarbonate ion (as CaCO3) mg/1 4 4 <10 <10 5 ID
Carbonate ion (as CaCO3) mg/1 4 4 <10 <10 5 ID
Chloride mg/1 5 0 5.00 2.50 3.50 0.94
Fluoride mg/1 5 0 2.46 1.43 1.97 0.43
Nitrate mg/l 5 0 4.65 2.93 3.77 0.77
Sulfate mg/1 5 0 358.00 243.00 285.20 54.99
Major Cations
Calcium mg/1 5 0 90.10 55.60 69.66 14.29
Magnesium mg/l 5 0 28.60 15.40 20.58 4.96
Potassium mg/1 5 0 3.01 1.44 2.01 0.63
Sodium mg/1 5 0 17.60 14.00 15.46 1.43
Trace Metals
Arsenic, (total recoverable) mg/1 4 3 0.018 <0.005 0.006 0.008
Cadmium, (dissolved) mg/1 5 0 0.005 0.002 0.004 0.001
Chromium, (total recoverable) mg/1 0 0 NA NA NA NA
Copper, (dissolved) mg/1 5 1 0.031 <0.005 0.017 0.012
Iron, (dissolved) mg/1 5 1 0.54 <0.05 0.25 0.21
Iron, (total recoverable) mg/1 4 0 1.36 0.36 0.75 0.43
Lead, (dissolved) mg/1 5 5 <0.001 <0.001 0.0005 ID ,
Manganese, (dissolved) mg/l 5 0 2.39 0.61 1.49 0.67
Mercury, (total) mg/1 5 5 <0.0002 <0.0002 0.0001 ID
Nickel, (dissolved) mg/l 5 -0 0.07 0.03 0.05 0.02
Selenium, (dissolved) mg/1 5 4 0.0060 <0.005 0.0016
Silver, (dissolved) mg/l 5 5 <0.001 <0.001 L ID
Zinc, (dissolved) mg/1 5 0 0.44 0.21 O.3 0.10
NA: Not analyzed
ID: Insufficient data
Nondetects set to % detection limit for calculations
0