Primary Sewage Sludge from Urban Plants from Mexico
Primary sewage sludge from urban plants, consisting of untreated primary solids settled from municipal wastewater influent. This product is rich in organic and inorganic particulates and falls under tariff item 3825.20.00 as pre-treatment waste from urban effluent treatment plants, as explicitly included in Chapter Note 5.
Duty Rate — Mexico → Canada
6.5%
Import Tips
• Confirm the sludge is from an urban effluent treatment plant and is not stabilized
• Keep records of the treatment stage to demonstrate it is pre-treatment waste
• Be prepared to show it is not mixed with other waste types that could change classification