Environmental Hazards in Houston Neighborhoods · 8/14/2019 · Concrete Batch Plants 11 There are...
Transcript of Environmental Hazards in Houston Neighborhoods · 8/14/2019 · Concrete Batch Plants 11 There are...
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Environmental Hazards in
Houston Neighborhoods
Presentation Date: August 14, 2019
Presented By:
Loren Raun, PhD
Chief Environmental Science Officer
Interim Bureau Chief
Bureau of Community & Children’s Environmental Health
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I. Lead Poisoning
I. Health Effects
II. Homes with Lead-Based Paint
III. High-Risk Neighborhoods
II. Air Pollution Sources
I. Neighborhood Pollution Sites
II. Deer Park ITC Fire
III. Health Effects
I. Asthma
II. Cardiac Arrest3
Outline
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Lead PoisoningHEALTH EFFECTS
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In 2017, 829 children screened were found to have elevated blood lead levels (BLLs) above the CDC reference value of 5 μg/dL.
Lead is traditionally found in paint, but children can be exposed through non-traditional sources such as toys, candies, jewelry, cosmetics, and more.
Lead poisoning can lead to severe adverse health effects, with most behavioral and learning impairments manifesting at BLLs <5 μg/dL.
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Lead PoisoningPEELING, CHIPPING, FLAKING LEAD PAINT
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Lead PoisoningLEAD-RISK HOUSING MAP – NEAR NORTHSIDE
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Lead PoisoningLEAD-RISK HOUSING MAP – FIFTH WARD
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Air Pollution SourcesMETAL RECYCLERIES, CONCRETE BATCH PLANTS, CONCRETE CRUSHERS
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Data collected from risk assessments
conducted at CMC Metal Recycler North
and South has shown an increase in
carcinogenic risk for adult residents from
inhalation of metals:
• Arsenic,
• Cadmium,
• Cobalt, and
• Nickel
Neighborhood Pollution SitesCMC METAL RECYCLERY
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10Map of affected residences
Railroad ties were dipped in creosote,
a preservative that is listed by the EPA
as a cancer-causing chemical.
Creosote emits harmful fumes and
leaches into the surrounding soil.
There have been concerns regarding
cancer deaths in the nearby areas.
The railroad site is in close proximity
to Dogan Elementary School, leading
to concerns of children being
affected.
Neighborhood Pollution SitesUNION PACIFIC RAILROAD FACILITY
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Concrete Batch Plants
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There are a total of 88 concrete batch plants in the city limits of various operational statuses.
Since 2016 the Bureau of Pollution Control and Prevention has conducted over 40 investigations of concrete batch plants within the City’s limits and found more than 40 violations of TCEQ Standard Air Permit and City Ordinances.
Violations included insufficient dust controls, nuisance conditions, inadequate buffer distances (i.e., for locating of stockpiles) among others.
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Deer Park ITC FireVIEW OF THE FACILITY
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13At Deer Park #2, 46% of the variability in Hospital/ED visits is explained by PM2.5.
R² = 0.4566
R² = 0.0367
R² = 0.3957
R² = 0.6524
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Ho
spit
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isit
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sco
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Monitors PM 2.5 Z-score
Regression of Hospital/ED visits Z-Scores on PM2.5 Monitors Z-Scores, 3/17-3/23
PM2.5 Data and Hospital/ED Data
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Asthma High Rate Regions
The map shows where TCHP high-risk regions (heat map) were aligned with EMShigh-rate school zones (hatch markings) of ambulance-treated asthma attacks. The map shows the 41 high-rate elementary schools with the 19 highest rate schools, based on EMS and TCHP data,identified and coded as priority intervention schools.
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Asthma High Rate RegionsELEMENTARY SCHOOLS
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Asthma High Rate RegionsMIDDLE SCHOOLS
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Asthma High Rate RegionsHIGH SCHOOLS
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Cardiac Arrest High Rate Regions
Out of hospital cardiac arrest
high-rate region for 2004 – 2011.
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Thank you!