On August 23, 2017, the National Institute for Occupational Safety and Health (NIOSH) published a Federal Register notice requesting comment on its draft National Occupational Research Agenda (NORA) for Manufacturing for public comment. The NORA Manufacturing Sector Council wrote the Agenda, which “identifies the most important occupational safety and health research needs for the next ...
The Coriolis µ, Bertin Instruments’ biological air sampler for bio-contamination quality control, has been used by Nora Els, member of the Lake and Glacier Ecology Research Group, from the University of Innsbruck in Austria. She has been studying the airborne inoculation of microbial communities in glacial environments, and here is her review: « I use the Coriolis µ to ...
Site Background The City of Brown City, Michigan located about 60 miles north of Detroit, was awarded the first of the US Environmental Protection Agency’s (EPA) treatment systems as part of the EPA Arsenic Removal Demonstration Program in June 2003. The EPA and its team of consultants on the Demonstration Program panel selected Severn Trent Services’ SORB 33® arsenic adsorption system for use ...
A new, state-of-the-art surface water treatment plant is scheduled for construction in Russellville, Alabama. Paterson Candy North America, a Division of Black & Veatch Construction, Inc., has contracted Severn Trent Services to provide the 2.7 MGD nanofiltration system to the Franklin County Water Service Authority who will oversee the Russellville ...
The ability to rapidly monitor the quality of U.S. source water for contamination has never been more important than it is in today’s security-sensitive environment. The Delaware Rural Water Association (DRWA), located in Milford, Del., is a non-profit trade organization, one of 47 state affiliate members of the National Rural Water Association. The mission of the DRWA is to improve the quality ...
For more than 30 years, on-site generation of sodium hypochlorite has been a key process in water treatment for municipal and industrial applications. The benefits of the on-site generation process over chlorine gas and bulk hypochlorite have been well documented and include: Eliminate bulk storage of hazardous chemicals Reduce risk to plant personnel because of drastically eliminate ...
Constructed in 1997, the District of Chetwynd Water Treatment Plant (British Columbia, Canada) treats nearly 2,500 cubic meters of water per day using gas chlorination as its primary form of drinking water disinfection. With recent concerns about the safety of chlorine gas, including potential eye, skin and respiratory irritation and the risk of death with high exposure, the district elected to ...
Site Background Aqua Pennsylvania, headquartered in Bryn Mawr, PA and a division of Aqua America, operates a 190 gallons per minute (gpm) well and pumphouse in a new residential development near the town of Collegeville, PA. Aqua PA has plans to add a second 250 gpm well for the same system in the future bringing the pumping capacity to 450 gpm. Well water is pumped into the pumphouse pictured ...
A few years after the initial SmartMeters were installed, the village needed to have the remaining meters replaced.Rather than make a snap decision, village officals decided to undertake a detailed cost benefit analysis to determinethe best solution.This consisted of two steps: a theoretical calculation of the loss of revenue from the mechanicalmeters, and an analysis of the actual earning ...
Located along the Los Angeles and Orange County border in California, the Alamitos Barrier protects a portion of the Central Basin from seawater intrusion. Through the years, over-pumping of ground water basins has caused water levels to drop and seawater to enter the basins. To prevent additional contamination, seawater intrusion barriers using potable water to source injection wells were ...
United Utilities PLC was created from the merger of North West Water and Norweb in November 1995. Its principal activities are managing and operating the regulated electricity distribution, water and wastewater networks in North West England, a region with a population of around 7 million. After evaluating treatment options, United Utilities decided to install an on-site sodium hypochlorite ...
Site BackgroundThe Town of Taos, located in northern New Mexico and with a population of 8,000 was awarded an arsenic removal treatment system as part of the US EPA’s Arsenic Removal Demonstration Program in January, 2005. The town had a new well, storage tank and booster pump system that was scheduled to be connected to the Town’s distribution system and placed into service only after the ...
Stockton East Water District in California needed to meet Uniform Fire Code guidelines while keeping gas chlorination equipment as their primary disinfection treatment. Since its construction in 1977, the Stockton East Water District Dr. Joe Waidhofer Water Treatment Plant in Stockton, California, has used two Fischer & Porter model 70C4500 series gas chlorinators with 71P1100A pressure ...
In 1999, the City of Daytona Beach, Florida, had one water treatment and two wastewater treatment facilities within its service area that exceeded the 2,500- pound threshold limit for gaseous chlorine. As a result, a Risk Management Plan(RMP) would have to be prepared and submitted to the Environmental Protection Agency Risk Management Planning-Accidental Release Prevention Program. While ...
Severn Trent Water is the world’s fourth largest privately-owned water company with over 8 million customers. The company supplies 1,960MI/day across a region covering more than 21,000 square kilometers. Historically two electrochlorination systems provided the disinfection requirements for the potable water at a Severn Trent Water site located at Ogston in north Derbyshire. One of the two ...
Hilltown Township, Pennsylvania, lies in the western corner of historic Bucks County. Located about 35 miles north of Philadelphia, the Township is home to the rolling farmland and 200-year-old farmhouses that are so common in this part of the state. The nearby Pearl S. Buck House, a National Historic Landmark housed in the nearly 200-year-old farmhouse that was Buck’s home for 38 years, pays ...
Large-scale production of chlorine involves several steps and many pieces of equipment. The plant also simultaneously produces sodium hydroxide (caustic soda)hydrogen gas. A typical plant consists of brine production/treatment, cell operations, chlorine cooling & drying, chlorine compression & liquefaction, liquid chlorine storage & loading, caustic handling, evaporation, storage ...
Paper shredding is growing into a big business. Recycling and the green movement certainly planted the seeds, but regulators have added the fertilizer. Industry-changing laws have been passed to govern document security in accounting, healthcare and banking, and shredders of many varieties are becoming the tools of those trades.Five or six years ago Warde Comeaux knew only a few people who ...
As the planet warms, new careers are starting to emerge In 2008, floods in Thailand forced the temporary closure of four Nike factories, costing the company millions of dollars. In 2012, Hurricane Sandy demolished Verizon’s copper-wire infrastructure on the U.S. eastern seaboard, costing thousands of Verizon customers service and the company $1 billion in repair costs. Extreme weather ...
Beginning this year and continuing over the next 5 years, the International MaritimeOrganization and the U.S. Coast Guard are requiring an estimated 65,000 ships over 400 gross tons to be fitted with approved Ballast Water Treatment Systems, “BWTS”. Global Water Intelligence estimates that the average cost to install each system is more than $750,000 and the total cost to operators to ...