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Help Page for estimating Pollution Rates

The first step in figuring out what is going on in your community is to go to the Scoredard's TRI databases.

Enter your search parameters and you may get an output that is similar to the one below...you might have to scroll through a bunch of other nasty stuff that is either carted off or disposed of in water. You are looking for Stack Air emission (though fugitive air emissions will also contribute to the overall totals).

After finding the STACK AIR emissions value, 155, 757 lbs per year in the example below. You can convert this to grams per second using the converter below the sample release and waste information.

Breakdown of releases and waste (by chemical) follows:

Chemical Name: XYLENE (MIXED ISOMERS)
An IRIS report for this chemical is available.
CAS Number: XXXXXXXXX (Name: Fictitious Name)
Maximum Amount On Site: 1,000 - 9,999 LBS (Year: 1996)
Medium Release (lbs) Destination or Method Used
------------ -------------- --------------------------
STACK AIR 155,757
Total 155,757

Management of production-related waste (On=on-site, Off=off-site)-
Year: (*=projected) 1995 1996 1997* 1998*
Rel. or Disp: 0 155,757 158,000 159,000
Total: 0 155,757 158,000 159,000
Non-production-related waste: 0 (accidental or remedial)
Total waste : 155,757 (Production & Non-Production)
Production Ratio: 0.00
"Rel. or Disp" above = quantity released on-site or disposed off-site

lbs per year Converts to grams per second

Copy the grams/second value and insert it in the main air pollution page in the Pollution emmission box. In this example the value in question is 2.2717008 g/second.

Also, by searching the RTK database, you can get health and ecological information specific to a chemical in question, in this case, we are concerned with XYLENE. The RTK info on this compound can be found at http://www.scorecard.org/chemical-profiles/summary.tcl?edf_substance_id=1330-20-7.