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California Vapor Intrusion Blog

This California Vapor Intrusion (VI) Blog provides updates on CalEPA’s rule development process associated with increasing attenuation factors (AFs) for volatile organic compounds.  Winefield & Associates contends that the proposed new AF standard of 0.03 is neither scientifically sound nor necessary.  As such, the blog will provide scientific and regulatory data with the goal of developing sane VI criteria that remain protective of human health while not thwarting California development, especially as California experiences a severe housing shortage. 

The Challenges of Dry Cleaner Contamination - The Sacramento Bee Publishes Exceptional Three-Part Series

11/7/2023

1 Comment

 
An important journalistic and brownfield milestone has occurred! In October, The Sacramento Bee published a three-part series on the environmental and public health threat posed by decades of pollution from dry cleaning chemicals across California. Winefield & Associates wrote the reporter, Mackenzie Shuman, and provided regulatory and scientific solutions to outdated DTSC and Water Board policies. Maybe Ms. Shuman will add a fourth part to the series with W&A’s information.

Here’s a recap of the great articles:
  • Their eye-catching titles are “How pollution from dry cleaners left California sitting on cancer-linked ‘time bombs,’” “California’s small dry cleaners face massive bills to clean up toxic chemicals,” and “How can California help clean up thousands of polluted dry cleaning sites?”
  • Effective January 1, 2023, PCE can no longer be used in California dry cleaners.
  • 75% of dry cleaners create contamination plumes.
  • Clean up costs per site range from $1M to $10M with current regulatory policies (W&A contends that these costs could be reduced by at least 50% if the Water Boards and DTSC adopted best science).
  • Estimates to clean up all PCE-contaminated dry cleaners in California range anywhere from $7.5 billion to $100 billion.
  • Without private investment and at the current rate of state funding, it could take 220 to 2,941 years to fund the necessary remediation.
  • Some water purveyors have had to close drinking water wells that have been grossly contaminated by dry cleaner releases.
  • Many former dry cleaner buildings sit abandoned due to COVID closures and the fact that investors refuse to tackle the current environmental regulatory policies (W&A contends that these policies were unnecessarily updated between 2019 and 2023).

Download the PDFs below to read the complete articles:
Part 1
File Size: 4032 kb
File Type: pdf
Download File

Part 2
File Size: 5257 kb
File Type: pdf
Download File

Part 3
File Size: 4869 kb
File Type: pdf
Download File

1 Comment
David Bardsley, P.G. link
11/8/2023 08:06:17 am

Thanks for posting the Sac Bee article on dry cleaners. Would it be of interest to your team on how we use horizontal wells to control vapors and mitigate dry cleaner sites with little to no impact to the above ground infrastructure?
David

Reply



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  • Home
  • Investment Criteria
  • About The Founder
  • Press
    • NY Times Article
    • LABJ Article
    • Propmodo Article
    • Commercial Property Executive Article
    • Western Real Estate Business Article
    • California City News Article
    • The Sacramento Bee Article
    • California Globe Article
  • Updates
  • Podcasts
  • VI Blog
  • Contact