How to meet the new Illinois PFAS standards
Matt Dahlem
The U.S. Environmental Protection Agency (EPA) strategy to address community contamination caused by per- and polyfluoroalkyl substances (PFAS) is rapidly evolving. Some recent developments in the EPA's PFAS Strategic Roadmap include adding five per- and polyfluoroalkyl substances (PFAS) to a list of risk-based values for site cleanups. The regulat...
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The what and why of Industrial Hygiene
Elisabeth Rutter
Wipe samples are to test for contaminants on equipment surface. This was testing for beryllium. To prevent employees from getting sick or injured in the workplace, Industrial Hygiene (IH) Programs are necessary. The Occupational Health and Safety Administration (OSHA) defines Industrial Hygiene as the practice of anticipating, recognizing, evaluati...
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Fish kills: Should you be worried?
Leonard Dane
If you've noticed fish or other aquatic life beached or floating belly up in or around your river, lake, stream or pond, you may have a fish kill. Although nature sometimes plays a role when this happens, it's best to make sure the cause isn't because of your water body's health. A fish kill, also known as a fish die-off, is when a localized, but s...
Proper soil remediation and disposal help mitigate contamination risks
Annie Ray
Soil contamination in urban areas is mainly caused by activities like manufacturing, waste disposal, dry cleaning and industrial dumping. These practices often leave a trail of contaminants such as petroleum products, chlorinated solvents and heavy metals. Soil pollution presents a risk for human exposure to harmful chemicals through ingestion, inh...
Using a chlorination process in wastewater treatments reduces E. coli
Lucas Elsbernd
E. coli, one of the most common pathogens found in domestic wastewater, can cause gastroenteritis. This bacteria, which often lives in the digestive system, are one of many pathogens that can contaminate drinking and surface water. However, most pathogens are difficult to measure directly. Instead, a pathogen indicator can help detect fecal contami...
Tackling lead service line replacement in Illinois with industry leaders
Seth Gronewold
Lead service lines are common throughout the United States. For centuries, lead was the preferred element for plumbing. The word "plumber" even comes from the Latin word for lead. Lead pipes were popular because they resist pinhole leaks and can be easily bent to conform to the contours of buildings. Because of these advantages, water infrastructur...
Calculating wastewater treatment plant construction costs
Matthew Johnson
When building a wastewater treatment plant (WWTP), municipal leaders are often baffled by their options and associated costs. To get started, they can estimate wastewater treatment plant construction costs at three increasingly granular levels. First-order costs: All construction costs for complete treatment plants. Second-order costs: Costs for sp...