Bleach is approximately 5.25% pure.
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5.25
Sewer mains should be 9 ft away from water mains.
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9
When disinfecting a water line, use 50,mg/L of chlorine in the main and let stand for
24hrs.
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50, 24
97% of all the water on earth is saltwater.
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97
The most common collection point for a bacti sample is the water tap outside the
house.
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outside the house
A bacti sample should be taken every 1000ft of pipe.
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1000
Distribution systems are usually laid out in loops and/or circular designs.
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, loops
When pressure testing the water main, the test pressure should be 1.5 times as great
as the normal operating pressure.
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1.5, normal
Water hardness is caused by calcium and magnesium
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calcium and magnesium
install all shoring from the top down and remove from the bottom up.
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install, remove
Name one advantage to using centrifugal pumps.
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5.25
Sewer mains should be 9 ft away from water mains.
Give this one a try later!
9
When disinfecting a water line, use 50,mg/L of chlorine in the main and let stand for
24hrs.
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50, 24
97% of all the water on earth is saltwater.
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97
The most common collection point for a bacti sample is the water tap outside the
house.
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outside the house
A bacti sample should be taken every 1000ft of pipe.
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1000
Distribution systems are usually laid out in loops and/or circular designs.
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, loops
When pressure testing the water main, the test pressure should be 1.5 times as great
as the normal operating pressure.
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1.5, normal
Water hardness is caused by calcium and magnesium
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calcium and magnesium
install all shoring from the top down and remove from the bottom up.
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install, remove
Name one advantage to using centrifugal pumps.
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