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The Chemical Data Reporting (CDR) rule, formerly known as the Inventory Update Reporting (IUR) rule, requires covered manufacturers (including importers) to report to the Environmental Protection Agency (EPA) information concerning the manufacturing, processing, and use of certain chemical substances listed on the Toxic Substances Control Act (TSCA) Chemical Substance Inventory. The CDR rule is prompted by Section 8(a) of TSCA.
CDR information is collected every four years (2020, 2024, 2028, etc.). The CDR submission period usually runs from June 1 to September 30. CDR submissions are due by the close of the submission period and must be submitted using e-CDRweb via EPA’s Central Data Exchange (CDX).
Manufacturers (including importers) are required to report if they meet certain production volume thresholds, generally 25,000 pounds or more of a chemical substance at any single site during any calendar year since the last principal reporting year. However, a reduced reporting threshold (2,500 pounds) applies to chemical substances subject to:
Note that manufacturers (including importers) may be exempt from reporting information on certain chemicals because of the type of chemical or because of the manner of manufacture (including import) or use of the chemical. Small manufacturers (including importers) who meet certain requirements are also generally exempt from CDR requirements.
Manufacturers (including importers) of a chemical substance can approach the CDR rule as follows: