| Field trip to middle Hobble Creek site. |
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10/23/07 |
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Field conditions |
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Degrees |
Minutes |
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Sunny day about 55 degrees F |
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| Latitude N |
40 |
10.55 |
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Clear water in the creek |
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| Longitude W |
111 |
37.7 |
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| Probe data |
South Bank |
Middle |
North Bank |
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01:53:00 PM |
03:00:00 PM |
01:53:00 PM |
03:00:00 PM |
01:53:00 PM |
03:00:00 PM |
| YSI Temp ºC |
10.8 |
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| DO mg/l |
13.38 |
8.85 |
|
9.25 |
|
9.9 |
| LaMotte |
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| Temp ºC |
9.9 |
10.3 |
9.9 |
10.3 |
10 |
10.3 |
| pH |
8.39 |
8.45 |
8.44 |
8.44 |
8.43 |
8.43 |
| Conductivity μS |
561 |
567 |
563 |
571 |
566 |
570 |
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| Test |
notes |
1 |
2 |
3 |
4 |
Std. Deviation |
| Total Hardness (ppm) |
~ 10 min. intervals |
280 |
284 |
286 |
|
3.06 |
| Calcium Hardness |
~ 10 min. intervals |
198 |
192 |
198 |
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3.46 |
| Chloride (ppm) |
~ 5 min intervals, test 2 is suspect because reagent was added last instead of first |
22 |
24 |
22 |
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1.15 |
| Iron |
colorimeter |
0.04 |
0 |
0 |
|
0.02 |
| Ammonia Nitrogen |
colorimeter |
0.12 |
0.08 |
0.07 |
0.12 |
0.03 |
| Alkalinity ppm |
|
258 |
272 |
260 |
|
7.57 |
| CO2 (ppm) |
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5 |
5 |
4 |
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0.58 |
| Sulfate High range |
|
50 |
45.5 |
46 |
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2.47 |
| chromium |
only one sample tested |
0.02 |
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