Entities that generate hazardous waste are classified by the Environmental Protection Agency (EPA) based on the amount and type of hazardous waste generated. The class determines what compliance measures must be taken.
Parameters:
(1) total weight of hazardous materials generated per month in kilograms
(2) weight of acute hazardous materials generated per month in kilograms
(3) weight of acute spill residue or soil per month in kilograms
Total Weight
Acute Hazardous
Spill Residue/Soil
Class
<= 100 kg
<= 1 kg per month
<= 100 kg
very small quantity
101 to 999 kg
<= 1 kg per month
<= 100 kg
small quantity
>= 1,000 kg
<= 1 kg per month
<= 100 kg
large quantity
NA
> 1 kg per month
NA
large quantity
NA
NA
> 100 kg
large quantity
where:
• Acute hazardous wastes are those that are very dangerous to humans, causing death in low doses.
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