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Mold Task Force Update. Gregg Recer, PhD, Research Scientist 3 Bureau of Toxic Substance Assessment. PHL Section 1384 – Background &Timeline. Chapter 385 of Laws of 2005 establishes Task Force DOH & DOS co-chairs Tasked with researching technical questions and issuing a report

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mold task force update

Mold Task Force Update

Gregg Recer, PhD, Research Scientist 3

Bureau of Toxic Substance Assessment

phl section 1384 background timeline
PHL Section 1384 – Background &Timeline
  • Chapter 385 of Laws of 2005 establishes Task Force
  • DOH & DOS co-chairs
  • Tasked with researching technical questions and issuing a report
  • Dec 2007 – Aug 2009 Task Force public meetings & conference calls
  • Aug 2010 – Draft report for public comment
  • Dec 2010 – Final report submitted to governor & legislature
general conclusions
General Conclusions
  • Mold growth is a symptom of moisture problems.
  • Focus actions on moisture problems – prevent & promptly mitigate.
  • Mold sampling has little value for decision-making.
  • “Toxic” mold not defined and not supported by clear evidence -- report considers all mold a potential concern
health effects
Health Effects
  • Indoor mold can be a health concern for occupants
  • Overabundant mold growth is undesirable
  • Prevent building dampness to prevent mold growth & potential morbidity
building codes
Building Codes
  • Codes used to prevent moisture problems in buildings
  • Strengthen codes with respect to preventing and correcting moisture problems.
  • Provide training and education to CEOs to address water and mold problems more effectively.
regulatory approaches
Regulatory Approaches
  • Many different approaches were identified.
  • Comparative effectiveness not well studied.
  • At a minimum provide guidance about recommended work practices & available training.
  • Other more formal regulatory approaches could be considered.
exposure limits mold sampling
Exposure Limits & Mold Sampling
  • Reliable health-based exposure limits not feasible
  • Numerous technical problems with indoor mold sampling
  • Air sampling unlikely to help decision-making for cleanup or clearance
  • Promote use of qualitative assessment – “clean and dry”.
control mitigation
Control & Mitigation
  • Some limited evidence for effectiveness of some mitigation protocols and antimicrobial treatments.
  • Generally supports much existing guidance to correct moisture problems and clean or remove mold sources.
  • Value of using antimicrobials will depend on circumstances, but often not much added value.
education research
Education & Research
  • Develop or enhance relevant educational materials & tailor to specific audiences.
  • Emphasize correcting dampness problems & mold source control to reduce potential health problems.
  • Research to fill data gaps would improve decision-making – e.g., remediation protocols, building materials, building assessment
more info
More Info

NYSDOH Web site:

www.nyhealth.gov/environmental/indoors/air/mold.htm

www.nyhealth.gov/environmental/indoors/air/mold/task_force/

General mold/IAQ questions:

CEH -- Indoor Health Assessment Section:

518-402-7810

MTF Report questions:

Gregg Recer

[email protected], 518-402-7820

problems identified with sampling
Problems identified with sampling
  • Don’t know actual agent involved in health effects or dose-resp.
  • A standardized, validated method (sample device, analysis, sampling strategy) has not been agreed
  • Mold spores are heterogeneous mixtures; air samples with similar species/counts are not necessarily the same
  • Too many sources of variability unaccounted for
    • spatial/temporal air levels (grab sampling)
    • microbial products (allergens, VOCs, glucan, EPS, etc.)
    • other non-fungal agents present
    • different information from total/viable/molecular/surrogate
    • receptor susceptibility
  • Rarely informs effective response decisions -- interpretation subjective
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