All Case Studies

Jun 25 2002
In the late '90s, organic and ammonia loadings to Leacock Township, PA STP increased to the point where they routinely exceeded the nominal design…
Jun 25 2002
The problem associated with reverse osmosis produced water is not in the processing, nor in the ability to provide needed quantities of water to…
Apr 8 2002
Bio Stimulants Lower WWTP Sludge Disposal Costs The Problem: How can the cost of aerobic digestion of waste activated sludge be lowered? How can…
Feb 7 2002
From Farmland to Flower Beds: Mountain City, Tenn.’s WWTP Improves Quality of Biosolids Challenge A few years ago, the Mountain City, Tenn.…
Jan 28 2002
City of Goldsboro, N.C. Strikes Gold with Its New Biosolids Management Program Challenge Like many other growing communities, the city of…
Jan 28 2002
Reclassifying Forest City, N.C.’s Biosolids Program Challenge In addition to treating wastewater, Forest City, N.C.’s wastewater treatment plant…
Jan 2 2002
The City of Albuquerque depends entirely on groundwater from 93 deep aquifer wells to supply water to over 400,000 residents. Traditionally,…
Dec 27 2001
Wastewater from manufacturing operations typically lacks the nutritional building blocks necessary to effectively sustain wastewater microbial life…
Geometric mean is the anti-log of the sum of the logs divided by the number of samples
Geometric mean is the anti-log of the sum of the logs divided by the number of samples.
Nov 7 2001Level Measurement
Since a geometric mean is the anti-log of the sum of the logs divided by the number of samples and the log of zero (0) is not defined, three…
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