A:
The trap is fitted into the pipework to collect waste from the washing-up facilities, it can be
fitted inside or outside the building, depending on the available space (only kitchen waste should
enter the trap).
A: The chemicals (in diluted from) should not harm the bacteria if possible, use biodegradable
products. Chemicals should not accumulate in tanks, or increase oxygen demand. It may be more cost efficient to
change the cleaning chemicals, than to dispose of the waste caused by the biological action being impeded.