The following requirements apply to PVC plastic pipe and fittings.PVC shall not be used for drains, waste or vents in commercial kitchens, laundry rooms, public toilet facilities or other commercial areas located in assisted living facilities, hotels, motels, inns or similar establishments, except where provided for elsewhere in 248 CMR 10.06, i.e. 248 CMR 10.06(2)(o)2.PVC, Schedule 40 Pipe and Fi