Gas Sterilization Process Oxirane Contaminated Sludge from United States
Sludge byproduct from ethylene oxide gas sterilization systems in pharmaceutical plants, containing dissolved oxirane. This hazardous mixture falls under tariff item 3824.81.00 because subheading note 3 to Chapter 38 covers mixtures and preparations containing oxirane (ethylene oxide). The sludge is a byproduct of sterilization processes and requires incineration due to its hazardous nature.
Duty Rate — United States → Canada
Import Tips
• Classify the sludge as a mixture containing oxirane and ensure it is not a separate chemically defined compound
• Provide documentation on the sterilization process and the concentration of ethylene oxide to the CBSA
• Verify if the sludge qualifies as hazardous waste under Canadian regulations, which may require a permit from Environment and Climate Change Canada before importation