D4 federal disposal code Liquid waste or sludge held in pits, ponds or lagoons.
- Free, no account
- Based on SOR/2021-25 and official ECCC guidance
- Nothing is stored
Find a Canadian waste code
D4, Surface impoundment of waste.
Federal disposal operation codes
Surface impoundment of waste
Use D4 when the intended operation is surface impoundment of waste.
ComplyOnSiteWhere does Federal disposal D4 go on the federal notification?
In the waste classification details. Federal disposal D4 is a field value describing a waste or recyclable line on the federal notification. It records the disposal operation and doesn't decide whether the material is hazardous.
For a federally regulated international shipment, the applicant enters the waste classification in the waste-line details of the federal notification in CNMTS. Read the movement rules and exclusions.
What does Federal disposal D4 cover?
For this value the disposal operation is surface impoundment of waste. Pick it from the activity, reason, physical state or operation reported for that waste line, not from the waste name.
- Official wording
- Surface impoundment, such as placing liquids or sludges into pits, ponds or lagoons.
- Rule
- SOR/2021-25
Is surface impoundment of waste always Federal disposal D4?
| Code | When it fits |
|---|---|
| D4 | Waste liquids or sludge will be placed in a surface impoundment, such as a pond, pit or lagoon. |
D4 records the disposal operation the receiving facility plans. It says nothing about the waste itself.
Which codes sit beside Federal disposal D4?
| Code | What it is |
|---|---|
| D1 | Release into or onto land |
| D2 | Land treatment, such as biodegradation of liquids or sludges in soil |
| D3 | Deep injection |
| D5 | Specially engineered landfilling |
| D6 | Release into water |
| D7 | Release into a sea or ocean |
| D8 | Biological treatment, not otherwise set out in this Schedule |
| D9 | Physical or chemical treatment |