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Line 1: − <div class="col-md-8">+ − − Freezing temperatures can cause problems with pipes and cisterns exposed above the frost penetration line[http://www.raqsb.mto.gov.on.ca/techpubs/ops.nsf/0/ee1f1756eacc00e18525808200628fbf/$FILE/OPSD3090.101%20Rev%231%20Nov2010.pdf]. − This maybe a significant issue for rainwater harvesting systems, including residential rain barrels. − </div> − <div class="col-md-4"> − IMAGES? − </div> − <div class="col-md-12"> − ---- − − ===Salt and Snow=== − </div> Line 34:
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===Salt and Snow===
===Freezing and Expansion===
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<p>Sodium and chloride ions in de-icing salts applied to asphalt areas travel easily with the runoff water. De-icing salt can also increase the mobility of some heavy metals in soil (e.g., lead, copper and cadmium). This can increase the heavy metal concentrations in downstream water (Amrhein et al., 1992; Bauske and Goetz, 1993). </p>
<p>Sodium and chloride ions in de-icing salts applied to asphalt areas travel easily with the runoff water. De-icing salt can also increase the mobility of some heavy metals in soil (e.g., lead, copper and cadmium). This can increase the heavy metal concentrations in downstream water (Amrhein et al., 1992; Bauske and Goetz, 1993). </p>
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===Freezing and Expansion===
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Freezing temperatures can cause problems with pipes and cisterns exposed above the frost penetration line[http://www.raqsb.mto.gov.on.ca/techpubs/ops.nsf/0/ee1f1756eacc00e18525808200628fbf/$FILE/OPSD3090.101%20Rev%231%20Nov2010.pdf].
This maybe a significant issue for rainwater harvesting systems, including residential rain barrels.
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IMAGES?
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