Observations
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17 February 2026
Linda Heuser
Quantab reading was 0.4, below the range on the conversion chart. The lowest value for ppm (28) was recorded. The lake was covered in ice, with enough breaks in it to obtain water for the sample.
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27 February 2025
Linda Heuser
Quantab reading was below the scale on the conversion chart, so lowest value of ppm was recorded
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