How To Test Sewage Treatment Plants Properly.

How To Test A Sewage Treatment Plant Properly. By: Peter Maier, PhD,PE Date: February 2017 Introduction. When EPA in 1973 established secondary sewage treatment standards to implement the Clean Water Act (CWA) or 85% treatment, it used mainly two testing methods for its NPDES (National Pollution Discharge Elimination System) permits. 1. The BOD5 (Biochemical Oxygen […]

BOD test. History and Description.

The BOD (Biochemical Oxygen Demand) test. by: Peter Maier, PhD,PE May, 2015 History of the test. Since the BOD (Biochemical Oxygen Demand) test is the backbone of water pollution regulation and the process design basis of sewage treatment plants, its understanding and correct application is essential. The test was developed around 1910 in England, in […]

How Environmental Regulations Are Diminishing Public Health Concerns.

How Environmental Regulations Are Diminishing Public Health Concerns. By : Peter Maier, PhD, PE and edited by John M. Ackerman, MD. March 2015 To understand present environmental regulations, one should first know some of the historical background. Prior to the nineteenth century, drinking water was obtained primarily from wells, it looked clear and hence was […]

Global Warming; Apocalypse Or Hoax

Global Warming: Apocalypse or Hoax.Peter Maier, PhD, PEJuly 2006Global warming has many aspects and while listening to individuals focal on this issue, it seems that everybody is using only those aspects that most fit their own argument, which often also support an economical interest. Since global warming is the result of many natural and unnatural […]