PERMFILE41431

• Permit No: C1981025
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: LABORATORY ANALYSIS OF SURFACE WATER & STATISTICS
• Section_Exhibit Name: 3.0 APPENDIX 3-Q
• Media Type: D
• Archive: No

Table
STATISTICAL ANALYSIS OF WATER QUALITY DATA
Monitoring Site ROARING FORK
Location UPSTREAM
Date of Collection 09/29/80 06/11/81 08/13/81 12/17/81 03/28/82
No. of Mean Std. Max. Min.
Samples Dev.
FIELD PARAMETERS 1
Conductivity
(umhos/em at 25(C)) 4 508.75 80.45 625 450
pH (units) 4 7.61 NA 7.9 7.3
Water Temperature (C) 3 11 5.57 16 5
LABORATORY PARAMETERS?
Aluminum 5 .02 .01 .04 5E-03
Arsenic 5 0 0 1E-03 1E-03
Barium 5 0 0 1E-03 1E-03
Bicarbonate 5 135.4 45.13 199 75.02
Boron 5 .08 .1 .241 1E-03
Cadmium 5 0 0 1E-03 1E-03
Calcium 5 70.57 23.23 90.9 30.5
•:arbonate 5 2.18 3.64 8.4 1E-03
Chloride 5 7.28 3.08 10 3.6
Chromium 5 0 0 1E-03 1E-03
Copper 5 .01 0 .012 1E-03
Fluoride 5 .19 .07 .27 .084
Hardness (as CaC03) 4 223.25 82.39 290 103
Iron (dissolved) 5 .05 .05 .1 1E-03
Lead 4 0 0 4E-03 1E-03
Magnesium 5 11.89 6.71 19.4 5.72
Manganese (dissolved) 5 0 0 6E-03 2E-03
Mercury (ug/1) 5 .08 .04 .1 .01
Molybdenum 5 0 0 4E-03 1E-03
Nickel 5 0 0 3E-03 1E-03
Nitrogen - Ammonia 5 .26 .23 .5 1E-03
Nitrate as N 4 .07 .06 .14 1E-03
Phosphate 4 .15 .26 .536 9E-03
Potassium 5 1.34 .36 7.8 .83
Selenium 5 0 0 1E-03 1E-03
Sodium 5 4.74 1.74 6 2
Solids, Total Dissolved 5 302.4 89.25 372 758
Solids, Total Suspended 4 3.65 1.39 5.4 2
Sulfate 5 111.16 38.46 138 43.8
Sulfide as S 4 .03 .05 .1 1E-03
Zinc 5 .02 .01 .034 4E-03
All measurements are in milligrams per liter (mg/1) unless otherwise noted
A minus sign indicates concentrations below analytical detection limits.
2 Negative acidity indicates that the water is alkaline.
3 A negative balance indicates that cations exceed anions.