T29: carbon filtering non-hazardous pesticide washings
T29 exemption allows farmers, landscapers and other land managers to treat non-hazardous pesticide washings produced during their work.
Applies to England
There’s a charge for most waste exemptions
This exemption is in band 3. Read waste exemption charges to find out what the charges and charging bands are.
Activities you can carry out
You can use a sealed carbon filtration unit, such as a sentinel unit, to treat spray and pesticide washings produced on a farm or in landscaping and similar work.
Activities you cannot carry out
You cannot:
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import pesticide washings from other places to treat on your site
Conditions
You must:
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treat and store waste in the same place that the pesticides were used
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ensure that no pesticide washings (treated or untreated) can get into drains, watercourses or onto land
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carry out treatment of the pesticide washings in a sealed carbon filtration unit with sealed drainage
Sealed drainage means the system has an impermeable surface so that:
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no liquid will run off the surface, except via the system
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all liquids entering the system are collected in a sealed sump, unless they can be lawfully discharged
Types of waste you can treat
Your waste must fit with the waste codes and description in the table.
| Waste code | Type of waste |
|---|---|
| 02 01 09 16 05 09 |
Non-hazardous pesticide washings only |
You can store or treat up to 8,000 litres of waste over any 24-hour period. This is the maximum amount allowed.
Check if you need an environmental permit
You will need to apply for a permit if you want to dispose of the treated pesticide washings by discharging them to land.
Read about environmental permits for discharging liquid waste.
Registering your waste exemption
Register a T29 exemption with the Environment Agency. You can register and pay through the waste exemption service.
Registration rules
You cannot:
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register more than one T29 at the same site
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register a T29 if it’s already been registered at the site by another business
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renew your registration more than one month before the 3-year registration period ends
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store waste that’s not included in the exemption
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deregister an exemption then register it again within 3 years of the start of the earlier registration
Waste exemption charges
Read waste exemption charges to find out what the charges are.
T29 exemption has a band 3 compliance charge.
There’s a registration charge to register one or more exemptions at a time.
Farmer charges
Farmers pay a capped charge for any number of farming exemptions. T29 is included in the list of farming exemptions.
Charities
If your organisation works exclusively for a charitable purpose you do not have to pay waste exemption charges.
Related exemptions
T32 – treatment of waste in a biobed or biofilter allows you to treat dilute pesticide washings in a biobed or biofilter.
Read the waste exemptions guidance in full.
Contact the Environment Agency
General enquiries
National Customer Contact Centre
PO Box 544
Rotherham
S60 1BY
Email enquiries@environment-agency.gov.uk
Telephone 03708 506 506
Telephone from outside the UK (Monday to Friday, 8am to 6pm GMT) +44 (0) 114 282 5312
Monday to Friday, 8am to 6pm.
Updates to this page
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Removed incorrect information that implied T29 allows the disposal of treated pesticide washings to land. A link to environmental permits for discharging liquid wastes has been added. Also added information about registration rules and exemption charges.
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Updated with a link to new information about charges and charging bands for waste exemptions.
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First published.