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Toxic Chemical Categories

This document contains information for facilities which manufacture, produce, or otherwise use Toxic Chemical Categories. Additional guidance on who must report, reportable quantities, and how to estimate annual releases can be found in the following sections.

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Toxics Release Inventory Guidance for Reporting Toxic Chemical Categories (PDF)(4 pp, 224 KB, February 2020)
Table of Contents

Toxic Chemical Categories (View Document)

Section 1: All Compounds in a Listed Chemical Category are Aggregated for Threshold Determinations

Section 2: Make Threshold Determinations for Listed Toxic Chemicals Separately from the Listed Chemical Category

Section 3: Calculate Releases and Other Waste Management Based on Parent Metal for Metal Compound Categories

Section 4: Optional Form R Submission for Parent Metal and Associated Metal Compound Category

Section 5: Calculate Releases and Other Waste Management Based on Nitrate Ion for Nitrate Compounds

Section 6: General TRI Reporting Instructions

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