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SRD - Source Ranking Database PDF Print E-mail
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What Does SRD Do?
Performs a systematic screening-level review of over 12,000 potential indoor pollution sources to identify high-priority product and material categories for further evaluation.
Can also identify the products that have contained a specific chemical.

How Does SRD Work?
Produces risk-based rankings by multiplying an estimated indoor-air concentration by a hazard score for each chemical in a given product or material and for each environment in which the product/material is used.
Allows users to display the scores for constituent chemicals, as well as the overall product scores and rankings.
Instructions to install and run the model are not presented here.

What Do I Need to Use SRD?
SRD contains all of the information needed to create product rankings. No specific user inputs are required.
Users can create their own product groupings in addition to the default groupings provided by the program (these are based on Standard Industrial Classification codes).
Users select the indoor environments (e.g., office building, residence, hospital, shopping mall) to be evaluated by the ranking algorithm.
Users also choose between 'high' and 'average' values for key exposure parameters (e.g., product usage rates) evaluated by the ranking algorithm.

How Are SRD Data Used?
To produce ranked lists of products or product categories that contribute to indoor air pollution.
To identify the relative contribution of each constituent chemical to a consumer product's risk score.
To identify what products a specific chemical has been used in.

What Type of Computer System Do I Need?
Hardware: IBM-compatible computer with a 486 or Pentium microprocessor (minimum speed: 33 MHZ) and 640K memory
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What Is SRD's Status and Availability
A final version of this program is currently available in a Windows-based format. SRD has been peer reviewed by the Science Advisory Board and the comments from that review have been incorporated into the model. This model was developed under contract by Versar Inc. for the EPA Office of Pollution Prevention and Toxics, Economics, Exposure, and Technology Division, Exposure Assessment Branch (EAB).

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