The Toxic Release Inventory (TRI) is a database of information about releases and transfers of toxic chemicals from manufacturing facilities. Facilities must report their releases of a toxic chemical to TRI if they fulfill four criteria:

1.They must be a manufacturing facility (primary SIC code in 20 -39);

2.They must have the equivalent of 10 full-time workers;

3.They must either manufacture or process more than 25,000 lbs of the chemical or use more than 10,000 lbs during the year;

4.The chemical must be on the TRI list of 350 specific toxic chemicals or chemical categories.

Reports for Clark County facilities are sent to:

EPCRA reporting Center, PO Box 3348, Merrifield, VA 22116-3342 and

Idell Hansen, CRTK Unit, Department of Ecology, PO Box 47659, Olympia, WA 98504-7659.

To look at TRI data reported, click here.

For information about TRI from EPA, click here.

List of hazardous chemicals and reportable quantities (this is a PDF file, you need Adobe reader)

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