California
For California, general hazardous chemical threshold is 55 gallons (liquids), 500 pounds (solids), 200 cubic feet (compressed gasses); ehs threshold is 500 pounds or the TPQ, whichever is lower (federal); special categories or chemicals is Any quantity of hazardous waste; report name is Hazardous Materials Business Plan; filing deadline is March 1, recorded from its source on 2026-08-15.
- State
- California verified
- General hazardous chemical threshold
- 55 gallons (liquids), 500 pounds (solids), 200 cubic feet (compressed gasses) verified
- EHS threshold
- 500 pounds or the TPQ, whichever is lower (federal)
- Special categories or chemicals
- Any quantity of hazardous waste verified
- Report name
- Hazardous Materials Business Plan verified
- Filing deadline
- March 1 our reading
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
California, the hazardous materials report is called a Hazardous Materials Business Plan and is significantly more in-depth than a standard Tier II report. The reporting thresholds for California are: 55 gallons (liquids) 500 pounds (solids) 200 cubic feet (compressed gasses) Any quantity of hazardous waste
— uscompliance.com, retrieved 2026-08-15
Sources disagree
More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from — deciding between them is yours, not ours.
General hazardous chemical threshold
uscompliance.com says general hazardous chemical threshold is 55 gallons (liquids), 500 pounds (solids), 200 cubic feet (compressed gasses), as of 2026-08-15.
California, the hazardous materials report is called a Hazardous Materials Business Plan and is significantly more in-depth than a standard Tier II report. The reporting thresholds for California are: 55 gallons (liquids) 500 pounds (solids) 200 cubic feet (compressed gasses) Any quantity of hazardous waste
https://www.uscompliance.com/blog/hazardous-material-storage-reports-with-non-federal-thresholds/
edge-es.com says general hazardous chemical threshold is 500 pounds for solids, 55 gallons for liquids, 200 cubic feet for compressed gases, as of 2026-08-15.
California: 500 pounds for solids 55 gallons for liquids 200 cubic feet for compressed gases Report deadlines can vary depending on the local CUPA. Submissions are part of the broader Hazardous Materials Business Plan (HMBP) under CERS.
https://edge-es.com/epcra-tier-ii-reporting-state-by-state-requirements/
Special categories or chemicals
uscompliance.com says special categories or chemicals is Any quantity of hazardous waste, as of 2026-08-15.
California, the hazardous materials report is called a Hazardous Materials Business Plan and is significantly more in-depth than a standard Tier II report. The reporting thresholds for California are: 55 gallons (liquids) 500 pounds (solids) 200 cubic feet (compressed gasses) Any quantity of hazardous waste
https://www.uscompliance.com/blog/hazardous-material-storage-reports-with-non-federal-thresholds/
edge-es.com says special categories or chemicals is Report deadlines can vary depending on the local CUPA, as of 2026-08-15.
California: 500 pounds for solids 55 gallons for liquids 200 cubic feet for compressed gases Report deadlines can vary depending on the local CUPA. Submissions are part of the broader Hazardous Materials Business Plan (HMBP) under CERS.
https://edge-es.com/epcra-tier-ii-reporting-state-by-state-requirements/
Report name
uscompliance.com says report name is Hazardous Materials Business Plan, as of 2026-08-15.
California, the hazardous materials report is called a Hazardous Materials Business Plan and is significantly more in-depth than a standard Tier II report. The reporting thresholds for California are: 55 gallons (liquids) 500 pounds (solids) 200 cubic feet (compressed gasses) Any quantity of hazardous waste
https://www.uscompliance.com/blog/hazardous-material-storage-reports-with-non-federal-thresholds/
edge-es.com says report name is Hazardous Materials Business Plan (HMBP), as of 2026-08-15.
California: 500 pounds for solids 55 gallons for liquids 200 cubic feet for compressed gases Report deadlines can vary depending on the local CUPA. Submissions are part of the broader Hazardous Materials Business Plan (HMBP) under CERS.
https://edge-es.com/epcra-tier-ii-reporting-state-by-state-requirements/
Filing deadline
uscompliance.com says filing deadline is March 1, as of 2026-08-15.
California, the hazardous materials report is called a Hazardous Materials Business Plan and is significantly more in-depth than a standard Tier II report. The reporting thresholds for California are: 55 gallons (liquids) 500 pounds (solids) 200 cubic feet (compressed gasses) Any quantity of hazardous waste
https://www.uscompliance.com/blog/hazardous-material-storage-reports-with-non-federal-thresholds/
edge-es.com says filing deadline is Varies by local CUPA, as of 2026-08-15.
California: 500 pounds for solids 55 gallons for liquids 200 cubic feet for compressed gases Report deadlines can vary depending on the local CUPA. Submissions are part of the broader Hazardous Materials Business Plan (HMBP) under CERS.
https://edge-es.com/epcra-tier-ii-reporting-state-by-state-requirements/
Sources
- uscompliance.comhttps://www.uscompliance.com/blog/hazardous-material-storage-reports-with-non-federal-thresholds/
- edge-es.comhttps://edge-es.com/epcra-tier-ii-reporting-state-by-state-requirements/