DG Declaration Pre-Flight Checklist
Run this checklist on every Dangerous Goods Declaration before it goes to the carrier. The 25 items below are the cross-checks we run on every DG booking out of Shanghai, Qingdao, or Nanjing.
Press Cmd+P (Mac) or Ctrl+P (Windows) and choose "Save as PDF" in the print dialog.
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DG Declaration Pre-Flight Checklist
25-point cross-check for every DG sea-freight booking from China.
1. Substance identification
- Proper Shipping Name matches IMDG Code Volume 2 entry exactly (no trade names)
- UN Number is the four-digit identifier, not an NA number
- CAS number on the DG Declaration matches the COA and the MSDS
- Subsidiary risk noted if applicable (e.g. "8 (6.1)" for corrosive with toxic subsidiary)
2. Class and packing group
- Hazard Class number correct (3 / 4 / 5 / 6.1 / 8 most common for chemicals)
- Packing Group I, II, or III assigned and consistent across all documents
- Marine Pollutant indicator marked yes/no per MARPOL Annex II
- EmS (Emergency Schedule) reference present and correct for the class
3. Quantity and packaging
- Number of packages by type listed (e.g. "80 × 200L steel drums")
- Net quantity per package and total net quantity correct
- UN packaging code on each drum/IBC matches the assigned packing group
- Second character of UN code: X for PG I, Y for PG II, Z for PG III
- Packaging type (1A1, 31A, 31H1, etc.) matches what was actually loaded
4. Class 3 specific
- Flashpoint listed in degrees Celsius (closed-cup method)
- Flashpoint consistent with PG assignment (PG I < 23°C, PG II < 60°C with boiling point ≤ 35°C, PG III otherwise)
- Initial boiling point listed where required by class
5. Cross-document reconciliation
- MSDS Section 14 fields match the DG Declaration line by line
- Drum labels carry same UN number, class, and packing group
- Container placards on all four sides plus the door end
- Commercial invoice references the same substance and quantity
- Packing list weights and counts match
6. Shipper certification
- Shipper company name and address present (factory legal entity)
- Authorised signatory name printed plus signature
- Date of certification within 7 days of vessel sailing
- Certification statement text intact (not modified or shortened)
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