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Stevens Pond algea presentations 1-30-13 - Town of North Andover

Stevens Pond algea presentations 1-30-13 - Town of North Andover

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Nutrient Mitigation<br />

• Phosphorus Precipitation<br />

• Phosphorus Inactivation<br />

Lake Characteristics<br />

• Low flushing rate / long<br />

water retention time<br />

• Deep with large<br />

percentage <strong>of</strong> bottom<br />

overlain with anoxic<br />

water<br />

• High internal phosphorus<br />

loading<br />

• Low external phosphorus<br />

loading<br />

Products<br />

• Buffered Alum<br />

• Phoslock (Lanthanum)

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