Page 8 - AW SEPOCT 2019

WORLD NEWS

Lead contaminated water is an issue Chemical Dosing Pumps and Flowmeters

in some Eastern Houston homes ®
CHEM-FEED C-600P

CHEMICAL DOSING PUMP
DEPENDABLE AND ECONOMIC
Features of this Metering Pump include:
• Simple and thoughtful design provides dependable service.
• The pump requires minimum maintenance.
• The output / dosing rate control is easy to adjust and is mechanical.

DEPENDABLE AND EFFICIENT SERVICE
Features of this Metering Pump include:
• Simple and thoughtful design provides dependable service.
• The pump requires minimum service.
ccording to a study conducted by the World Health Department.
• The feed rate control is easy to adjust and is mechanical.
AOrganization (WHO), lead exposure over time Researchers collected surveys from 13 randomly
• Blue-White’s exclusive heavy duty pump head is not prone to clogging and airlocks.
affects multiple body systems and is extremely harmful selected residents and collected tap water samples from
to children. Lead exposure is the cause behind the Flint 22 households. Researchers found that 30.8 percent of
Water Crisis in Michigan, but practices that led to the water respondents indicated having concerns about their water.
contamination in Flint are also happening in communities 75 percent of the residents who had concerns actually
in Houston, Texas. had lead in their water. Overall, 30 percent of the homes
Texas A&M public health researchers found that older sampled had lead in the water, with 25 percent of these
homes with lead pipes, in conjunction with the chemicals homes having children. Older homes with lead pipes, in
used during the water purification process, underlie the conjunction with the chemicals used during the water
problem. purification process, are the underlying cause of lead
While much attention is given to Flint, researchers contaminated water in Manchester.
at the Texas A&M School of Public Health, College of “The water purification process in Houston uses chlorine
Architecture and College of Geosciences discovered lead and chloramines to purify tap water,” Sansom said.
contaminated water in residential areas through a pilot “However, these chemicals change the composition of the
study along the Houston Ship Channel. water, so that when it flows through old piping, it causes
In work published in the International Journal of the pipes to leech lead into the drinking water.”
Environmental Research and Public Health, Garret Sansom, According to Sansom, replacing pipes in homes
PhD, research assistant professor in the Department of with older infrastructures is very costly for citizens and is
Environmental and Occupational Health at the School of beyond the means of most living in low-socioeconomic
Public Health, led a study in Manchester, a low-income communities. The best long term solution is a lead
neighborhood along the Houston Ship Channel plagued abatement program, an initiative in which the state or IP66 F-550 F-460 F-440
with numerous issues including flooding, air pollution and local government will cover the cost of replacing lead
health concerns. Natural disasters, such as Hurricane pipes in older homes. Currently, the only solutions to the NEMA 4X
Harvey, increase the risk of exposure to lead in this contaminated water in Manchester is to provide filters for WASH DOWN
area. Previous research has shown low-income minority people to use in their homes or change water use habits,
communities have an increased risk of lead exposure, such as letting water run freely before drinking it.
®
but few studies have examined the environmental justice Further research is needed at a larger scale to clearly Flex-Pro A2
factors of these communities. determine the long-term effects of lead-contaminated
Manchester is located in eastern Houston and water in communities along the Houston Ship Channel. PERISTALTIC DOSING PUMP
considered an industrial site, known for generating and In addition to this, Sansom said more research is needed
storing hazardous waste and discharging large amounts to address environmental justice inequities in additional PERISTALTIC DESIGN AND PRECISE CHEMICAL DOSING
of air pollution. Manchester is one of several communities communities across the country. Flex-Pro® A2 Features and Benefits Include:
along the Houston Ship Channel, with 98 percent of this “Flint, Michigan, is not the only municipality suffering • Exclusive multi-tube pump tubes provide excellent chemical resistance
and long service life.
population being minority. Only 6 percent of residents have from contaminated drinking water,” Sansom said. “This • Advanced electronics and upgradable firmware. FLOWMETERS
obtained bachelor degrees, and the median income is study highlights that contaminated water is an issue in • Multi-Color (RGB) backlit LCD.
one-third lower than the city of Houston overall, according our backyard and should be taken just as seriously.” AW • Maximum chemical output is 65.1 LPH. Maximum pressure is 8.6 bar. A SIMPLE DESIGN PROVIDES ACCURATE FLOW MEASUREMENT
to the City of Houston Planning and Development
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