Quantitative methods for effluent control

Article Abstract:

The Maximum Likelihood Method (MLM) and the Resources Limited Weight Method (RLWM) which is effective in computer simulations are utilized for the quantitative analysis of the effluent concentrations in water. The MLM is based on the maximum likelihood principle and provides a nonlinear mathematical program for the problem. In the second method, a particular amount of enforcement resources are applied for a specific time era.

Analysis, Computer simulation, Effluent quality

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Roofing as a source of nonpoint water pollution

Article Abstract:

Sixteen wooden structures with two roofs each were installed to study runoff quality for four commonly used roofing materials like wood, shingle, composition shingle, painted aluminum and galvanized iron at Nacogdoches, Texas. This study demonstrated that roofs could be a serious source of nonpoint water pollution.

Waste Management and Remediation Services, Texas, Water Pollution, Asphalt Shingle and Coating Materials Manufacturing, Asphalt felts and coatings, Asphalt Felts, Coatings & Roofing, Causes of, Roofing

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