A novel surface modification increases the holding capacity of air filters and improves their effectiveness in controlling particulates and aerosols
This article originally appeared in the 09/01/2003 issue of Environmental Protection.
This article originally appeared in the 09/01/2003 issue of Environmental Protection.
All drinking water treatment plants (WTPs) must dispose of their potable water residuals. One privately owned water utility in Fairbanks, Alaska, uses a filter press to dewater its water treatment mineral byproducts. By doing so, the utility achieves zero discharge to the nearby Chena River, which serves as a recreational area and spawning ground for several fish species threatened with possible extinction.
- By Matthew Burdick, PE, Michael Spring
This article originally appeared in the 09/01/2003 issue of Environmental Protection.
Against a backdrop of controversy, the federal wetlands policy recently moved to a functional approach to mitigation and limited authority over isolated, intrastate wetlands
This article originally appeared in the 09/01/2003 issue of Environmental Protection.
Activated carbon is well known for its ability to remove organic compounds from water through a process known as adsorption, remove chlorine and chloramine through various chemical reactions and serve as a general filter media; however, its use for reduction of bromate is unclear.
- By Kimberly Thompson, Neal Megonnell
This article originally appeared in the 07/01/2003 issue of Environmental Protection.
Pittsburgh's new "green" convention center uses a large-capacity underground treatment and storage tank to help the facility comply with strict wastewater pretreatment regulations
This article originally appeared in the 07/01/2003 issue of Environmental Protection.
Groundwater contamination has been an area of environmental concern for decades. Underground storage tank and process line leaks, product spills and intentional dumping have been the greatest contributors to the problem.
- By Duygo Tokat, Arturo A. Keller, PhD., Reid H. Bowman, PhD., Peter Herlihy, Michael J. Joy
This article originally appeared in the 07/01/2003 issue of Environmental Protection.
Any company, land developer or individual who has attempted residential or commercial development in a rural suburban area is no stranger to the following scenario: "50 plus acres with good road frontage, high traffic count, public water and gas, but no sewer."
- By Patrick T. Gates, Todd M. Gates
This article originally appeared in the 07/01/2003 issue of Environmental Protection.
The rise in contract labor in the environmental industry offers employers both opportunities and challenges
This article originally appeared in the 07/01/2003 issue of Environmental Protection.
Drinking water professionals know that the quality of raw or finished water supplies may be adversely impacted by a number of contaminants, including petroleum products from leaking tanks or pipelines, insecticides and herbicides from agricultural runoff, pathogens from untreated sewage discharges and others.
This article originally appeared in the 07/01/2003 issue of Environmental Protection.
Water conservation and prevention of water pollution have become global issues affecting the life and health of people and the ecosystems they inhabit. The ability of ecosystems to recover has been stretched to the limit by overpopulation. As population reduction is unlikely and in fact the obverse is anticipated minimization of environmental impact is critical for the survival of the human species.
This article originally appeared in the 07/01/2003 issue of Environmental Protection.
The Triad Approach offers three steps to better site investigations
This article originally appeared in the 07/01/2003 issue of Environmental Protection.
This overview helps separate the facts from the fallacies related to membrane technologies used in wastewater treatment
This article originally appeared in the 07/01/2003 issue of Environmental Protection.
This article originally appeared in the 07/01/2003 issue of Environmental Protection.
The performance contract is a tool that gives contractors a financial incentive to guarantee energy savings for their customers
This article originally appeared in the 07/01/2003 issue of Environmental Protection.
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This article originally appeared in the 07/01/2003 issue of Environmental Protection.
This article originally appeared in the 07/01/2003 issue of Environmental Protection.
The rise in contract labor in the environmental industry offers employers both opportunities and challenges
This article originally appeared in the 06/01/2003 issue of Environmental Protection.
A guide to overcoming obstacles to brownfields redevelopment projects
This article originally appeared in the 06/01/2003 issue of Environmental Protection.
Letters to the Editor
This article originally appeared in the 06/01/2003 issue of Environmental Protection.