Civil / Environmental Engineers
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pressure regulator valves
  DATE：2008-07-28 11:01:16 CLICK：2
evacuating a pipeline by using a vacuum pump
  DATE：2008-07-28 11:01:13 CLICK：5
Water supply design drawing detail textbook or resource
  DATE：2008-04-27 11:04:30 CLICK：20
Vent Sizing for a Sump?
  DATE：2008-04-27 11:04:27 CLICK：11
Water Main Rolling
  DATE：2008-04-27 11:04:21 CLICK：6
wastewater certification
  DATE：2008-04-27 11:04:17 CLICK：7
Steel Pipe Schedule go beyond 48"
  DATE：2008-04-27 11:04:14 CLICK：15
Dechlorination of Filter Backwash
  DATE：2008-04-27 11:03:20 CLICK：2
Off Stream Reservoir Design & Cost
  DATE：2008-04-27 11:02:15 CLICK：13
EPDM Gasket material for flange connections
  DATE：2008-04-27 11:01:20 CLICK：15
districtguy (Civil/Environme)28 Feb 08 12:46 I have recently learned that EPDM gasket and O-ring material is preferred for potable water containing chloramines. The Buna-N gasket material will somewhat deteriorate over time with chloramines. Is the E
Large Dia. Pipe
  DATE：2008-04-20 11:03:18 CLICK：0
Possible career change
  DATE：2008-04-20 11:03:14 CLICK：8
Potable Water and Fire Protection Water in one trench
  DATE：2008-04-20 11:02:50 CLICK：4
Turbidity MCL for Groundwater NOT UDI of surface water
  DATE：2008-04-20 11:02:34 CLICK：12
Effect of temp. on phosphate readings
  DATE：2008-04-20 11:01:46 CLICK：8
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Water treatment & distribution
  Civil/Environmental engineerin
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  Waste disposal & treatment
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