Connecticut brownfield sites
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Connecticut Brownfield Sites. What are ‘Brownfield Sites’?. “real property, the expansion, redevelopment, or reuse of which may be complicated by the presence or potential presence of a hazardous substance, pollutant or contaminant…". – CT DEP. What are ‘Brownfield Sites’?.

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Connecticut Brownfield Sites

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Connecticut Brownfield Sites


What are ‘Brownfield Sites’?

  • “real property, the expansion, redevelopment, or reuse of which may be complicated by the presence or potential presence of a hazardous substance, pollutant or contaminant…". – CT DEP


What are ‘Brownfield Sites’?

  • 1990’s- Fed. And State Government decided to take action on land that was sitting unused because of the potential hazards that they contained.

  • Unknown liabilities were preventing communities from restoring these sites.


What are ‘Brownfield Sites’?

  • CT- state remediation programs and standards are in place to help promote the cleanup and redevelopment of sites.

    • Connecticut Remediation Standard Regulations


Federal Brownfields Law

  • Jan. 11, 2002- Federal Law expands assistance for brownfields assessment, cleanup, revitilization , and job training.


Stages of Brownfield Remediation

  • Inventory of Sites: what’s there and how much

  • Assessment: Can reclamation occur?

  • Funding: Federal and/or Private

    • Amount required for each stage of redevelopment

  • Remedial Design and Construction

    • Apply appropriate technology to clean or contain pollution

    • 13 approved clean-up technologies just for USTs

    • Each site clean-up is specific to the pollutants and geology of that site

  • Package site for sale or development


Assessment

  • Develop understanding of:

    • Type of pollutants

    • Horizontal & vertical extent of pollution

  • Impact on the environment

    • Are streams, lakes, rivers polluted?

    • Is the underground water table polluted?

    • Is the pollution localized or widespread?

    • Are plants/animals affected?


Brownfields and You!


Brownfields and You!


Possible Contaminants


Case Study: Waterbury, CT Development – Brass Mill Center Mall

  • The long defunct, brass manufacturing center, once comprised of more than 90 decaying buildings

  • Processed brass until alternate/cheaper alternatives available

  • 100-acre downtown site, was prepared for a rebirth.


Case Study: Waterbury, CT Development – Brass Mill Center Mall

  • Removal of asbestos, lead paint, metals, solvents, oil, machinery, and polychlorinated biphenyls (PCB) contaminated materials.

  • Over 200,000 cubic yards of debris was removed or recycled

  • Soil vapor extraction and on-site treatment were used to treat the 155,000 tons of tainted soil.


Case Study: Waterbury, CT Development – Brass Mill Center Mall

  • The entire demolition and remediation was completed well ahead of schedule and under budget

  • construction of the 1,300,000 square foot Brass Mill Center was then completed


Your Task

  • Groups of up to 2 students will work together to research local ‘Brownfield Sites’

  • You will gather information about the site and report back to your classmates in the form of a PowerPoint Presentation.

    • http://www.ct.gov/dep/cwp/view.asp?a=2715&q=324930

  • Your goals are to:

    • Identify Contaminants Present

    • Identify the affects of the contaminants of the environment.

    • Determine how the site was/should be cleaned up


To be answered:

  • General description of site:

    • Name, Location, Site Definition

  • Contaminants:

    • Types in location, Why are they there, affects on environment

  • Investigation

    • formulate a question about the site that may be answered through scientific investigation and to design the investigation.

    • Do not worry about the specific steps needed to isolate the contaminant or specific techniques used to measure the contaminant’s effect on the environment. Focus on writing a general plan for your investigation including the independent and dependent variables to be studied, general procedures you will follow and the data you will collect.


Brownfield Research Sites

  • Newhall Remediation Project, Hamden CT

    • http://www.newhallinfo.org/

  • Raymark Industries, Stratford CT

    • http://yosemite.epa.gov/r1/npl_pad.nsf/cf430d675d2ce79085256aee0044e5a6/a4b8dbf11e4134398525692d00618241?OpenDocument


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