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Eliminating Urban Air Toxics and Potentially Bioaccumulative Toxics from Business and Government Operations


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The Empire State Development Corp. (ESD) will partner with Erie County's Department of Environment and Planning (DEP) to educate area businesses about the hazards associated with persistent, bioaccumulative toxic (PBT) chemicals. As part of this effort, ESD and DEP will aggressively provide technical assistance to Erie County businesses that release any of EPA's targeted Urban Air Toxics or PBTs. ESD will identify these businesses using Toxics Release Inventory reports and a tool called the PBT profiler. In addition, ESD and DEP will promote a policy shift to environmentally preferable purchasing among government agencies and private businesses to increase the demand for environmentally friendly products. To further this goal, DEP will offer onsite vendor demonstrations to advertise alternative products to target organizations. Overall, the project aims to reduce chemical releases in the region by 1,600 tons to help achieve attainment status for ozone in the Buffalo/Niagara area.

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This section describes how emissions were measured or modeled, and what risk factors were used.

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1. How is this project best classified?


2. How are the assessment results summarized?

Other

3. What risk types or hazards are considered in the project?


4. List any additional features that describe the scope of the project.


5. Is the risk assessment done for an individual source (e.g., a permitted source) or for multiple sources in the area?


6. Which pollutants are assessed?

6.a. Are they assessed individually, or on a cumulative basis?

6.c. Additional Comments:

7. Does the project consider ambient/background concentrations in determining exposure?


8. What conservative assumptions are made?

9. What "best estimate" assumptions are made?

10. What cancer and non-cancer toxicity dose response values are used? Do they differ from the EPA IRIS values? What is the data source for these values?


11. What assumptions are made when a match from chemical emitted to toxicity value is not exact?


12. What is the basis for emission estimates used in the project -- actual or allowable?


13. What exposure pathways are assessed?


14. What assumptions are made in considering exposure pathways?


15. For inhalation exposure assessments, is exposure modeling conducted (i.e., consideration of changes in pollutant inhalation concentrations in different locations frequented at different times by populations of interest)? Or is there an assumption of continuous exposure to outdoor air over a certain time period?


16. Describe the peer review process for the study, if any.


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