Hexachlorobenzene EPA Method 608 Calibration Standard from Canada
Certified reference material of HCB in methanol for wastewater analysis per EPA Method 608. Remains under HTS 2903.92.00.00 as chemically defined compound per Chapter note (e) transport exception. Specifically named halogenated aromatic derivative.
Duty Rate — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include NIST traceability certificate and EPA method designation in documentation
• Declare concentration (typically 2000 μg/mL) and expiration date on customs entry
• Use IATA 6.1 toxic liquid packaging; avoid temperature-controlled shipments unless specified