The pile, over 10ft tall and just as wide in clear plastic bags,demonstrates how much street litter is collected each day at a cost of £4m ayear.
The council says that cost is the equivalent of running a library service for a year; repairing 100,000 potholes; providing 210 residential care places for the elderly; or building half a primary school.
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The London Mayor insisted he was "not saying that nationalists are somehow racist or bigoted" after outraging SNP supporters.
The teenagers, aged 19 to 15, appeared in custody at Westminster Magistrates' Court on Saturday, supported by their families.
Parker Dairies moves home after 120 years on Wood Street in Walthamstow