A4150 Basel waste code Unlabelled or new lab chemicals with unknown effects.
- Free, no account
- Based on ECCC's classification guide and SOR/2021-25
- Nothing is stored
Find a Canadian waste code
A4150, Unidentified or new research chemicals.
Basel List A codes
Unidentified or new research chemicals
Use A4150 for unidentified or new research chemicals as a presumptively hazardous Basel waste.
Is Basel A4150 hazardous waste?
Normally yes. Basel A4150 is a List A description, so the material counts as hazardous unless evidence shows it has no Annex III hazardous characteristic. The description and any exclusions still have to match.
For federally regulated international shipments, the applicant enters the waste classification in the waste-line details of the federal notification in CNMTS. Check the movement rules and exclusions.
What does Basel A4150 cover?
Covers discarded chemicals from research, development or teaching that are unidentified or new, and whose effects on people or the environment are unknown.
- Official wording
- Read the official entry
- Rule
- SOR/2021-25
Are unidentified research chemicals Basel A4150?
| Code | When it fits |
|---|---|
| A4150 | Discarded chemicals from research, development or teaching that are unidentified or new, and whose effects on people or the environment are unknown. |
Pick the entry whose description and conditions match the waste. The code classifies the waste. It doesn't settle whether SOR/2021-25 applies, what it excludes, what the destination country controls or the intended operation.
Which codes sit beside Basel A4150?
| Code | What it is |
|---|---|
| A4080 | Explosive waste outside List B |
| A4090 | Acidic or alkaline solution outside List B |
| A4100 | Industrial off-gas control waste |
| A4110 | Polychlorinated dioxin or furan waste |
| A4120 | Peroxide-bearing waste |
| A4130 | Hazardous contaminated packages and containers |
| A4140 | Obsolete or off-specification hazardous chemicals |
| A4160 | Spent activated carbon outside List B |
Sources
- Guide to hazardous waste and hazardous recyclable materials classification
- Cross-border Movement of Hazardous Waste and Hazardous Recyclable Material Regulations (SOR/2021-25)
- Cross-border Movement of Hazardous Waste and Hazardous Recyclable Material Regulations user guide
- Basel Convention text and annexes, revised in 2025
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