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GHS Science CAPT Embedded Task Review. Brownfield Sites. Your Task. Formulate a question/problem statement about a Brownfield site that can be answered through a scientific experiment/investigation. Design a scientific experiment/investigation

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Presentation Transcript
your task
Your Task

Formulate a question/problem statement

about a Brownfield site that can be answered

through a scientific experiment/investigation.

Design a scientific experiment/investigation

that answers your question/problem statement.

2

what is a brownfield site
What is a Brownfield Site?
  • Piece of land that was once used for industrial purposes and is now typically abandoned because of suspected contamination.
  • Name one Brownfield site in Greenwich?
  • What has this property been used for that led to it being
  • identified as a Brownfield (contaminated) site?
what is a contaminant
What is a contaminant?
  • A contaminant is a toxic chemical that can harm humans and/or the environment.
  • Contaminants can pollute water, air, and/or soil.

Arsenic

Mercury

Benzene

contaminants of major concern
Contaminants of Major Concern
  • Asbestos – Cause respiratory problems
  • Benzene – Causes cancer
  • Lead and Copper - Neurotoxic
  • Mercury – May cause physical and mental disorders. Greatly affects fish populations.
why redevelop brownfield sites
Why Redevelop Brownfield Sites?
  • Discounted real estate cost
  • Valuable location
  • Reduce pressure on undeveloped land
  • Preserve historical or architecturally significant buildings
  • Eliminate health and safety hazards
  • Improve community
detecting soil and groundwater contamination
Detecting Soil and Groundwater Contamination
  • Usually a portable drilling rig is brought to the site
  • A well is installed. Soil is sampled as the well is drilled.
  • Groundwater is sampled and analyzed for the suspected pollutants.
how to make a brownfield site usable again
How to make a Brownfield site usable again…
  • Get rid of contaminants (ex. Excavation techniques)
  • Stop the contaminants from spreading
your task1
Your Task

Formulate a question/problem statement

about a Brownfield site that can be answered

through a scientific experiment/investigation.

Design a scientific experiment/investigation

that answers your question/problem statement.

10