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['Toxic Substances Control Act - EPA']
['Toxic Subtances Control Act - EPA']
02/26/2026
Copyright 2026 J. J. Keller & Associate, Inc. For re-use options please contact copyright@jjkeller.com or call 800-558-5011.
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InstituteToxic Substances Control Act - EPAToxic Subtances Control Act - EPATSCA ComplianceEnvironmentalUSAEnglishAnalysisFocus AreaIn Depth (Level 3)
Adding chemicals to the Inventory
['Toxic Substances Control Act - EPA']
- Once a complete NOC is received by EPA, the reported substance is considered to be on the Inventory and becomes an “existing chemical.”
After a premanufacture notice (PMN) review has been completed, the company that submitted the PMN must provide a Notice of Commencement of Manufacture or Import (NOC, EPA Form 7710-56) to the Environmental Protection Agency (EPA) within 30 calendar days of the date the substance is first manufactured or imported for nonexempt commercial purposes.
Once a complete NOC is received by EPA, the reported substance is considered to be on the Inventory and becomes an “existing chemical.” The agency receives approximately 400 NOCs each year, thus the TSCA Inventory changes almost daily.
Substances reported through exemption submissions and exempt uses that are not subject to reporting do not require an NOC and are not added to the Inventory. Examples include:
- Low Volume Exemptions (LVEs),
- Low Release/Low Exposure Exemptions (LoREXs),
- Test Market Exemptions (TMEs),
- Substances used for research and development, and
- Polymers that meet the 1995 Polymer Exemption Rule Amendments.
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toxic-substances-control-act-epa
FOUNDATIONAL LEARNING
Adding chemicals to the Inventory
InstituteToxic Substances Control Act - EPAToxic Subtances Control Act - EPATSCA ComplianceEnvironmentalUSAEnglishAnalysisFocus AreaIn Depth (Level 3)
['Toxic Substances Control Act - EPA']
- Once a complete NOC is received by EPA, the reported substance is considered to be on the Inventory and becomes an “existing chemical.”
After a premanufacture notice (PMN) review has been completed, the company that submitted the PMN must provide a Notice of Commencement of Manufacture or Import (NOC, EPA Form 7710-56) to the Environmental Protection Agency (EPA) within 30 calendar days of the date the substance is first manufactured or imported for nonexempt commercial purposes.
Once a complete NOC is received by EPA, the reported substance is considered to be on the Inventory and becomes an “existing chemical.” The agency receives approximately 400 NOCs each year, thus the TSCA Inventory changes almost daily.
Substances reported through exemption submissions and exempt uses that are not subject to reporting do not require an NOC and are not added to the Inventory. Examples include:
- Low Volume Exemptions (LVEs),
- Low Release/Low Exposure Exemptions (LoREXs),
- Test Market Exemptions (TMEs),
- Substances used for research and development, and
- Polymers that meet the 1995 Polymer Exemption Rule Amendments.
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Copyright 2026 J. J. Keller & Associate, Inc. For re-use options please contact copyright@jjkeller.com or call 800-558-5011.