guys listen to me , i understand your problem, sorry i ' m brazilian so my english is not very good.
after make tests lot of times about this problem , actually i'm searching another thing , i noticed this the problem of garbage happens because o system of collect work in turns. Look the workers in center of recycle they need to rest obvious things . well done, the thing i'm looking for is about garbage total generated and total garbage collected and about it and I think it has to do with traffic , was looking for this when noticed about work turns.