On the ground that you have engaged in, or you have allowed another person to engage in, drug related conduct on the premises or ancillary property and testing for contamination indicates that the premises or ancillary property are contaminated as a result of that drug related conduct.
A landlord may terminate a tenancy on this ground immediately.
I give you notice to deliver up vacant possession of the premises on (below 'Date') [insert date on which tenant is required to vacate premises]