Visit May 6, 1.00 p.m. Sunny, scattered cloud, 15°C, 8 mph WNW wind.
Heavy rain previous week, dry underfoot.
Samples collected
5. Pond at northern extreme of site
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1 |
2 |
3 |
4 |
5 |
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PH |
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9.0 |
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Nitrates |
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Neg |
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Nitrites |
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Neg |
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Clarity |
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Clear |
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Mayfly |
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Abundant |
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Shrimp |
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No |
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Water louse |
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No |
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Blood worm |
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No |
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Gnat/mosquito |
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No |
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Rat-tailed maggot |
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No |
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Fe (Iron) |
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2 |
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Dissolved Oxygen mg/l |
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6.3 |
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Water quality |
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4 |
Water quality is rated [4] (clean) [3] slight pollution [2] bad pollution [1] (severe pollution) [0] contaminated.