1.11 The review also found that the LDT rates were not acting as a deterrent to landfill treatment for a number of specific types of waste.
1.11 Canfu’r adolygiad hefyd nad oedd cyfraddau’r Dreth Gwarediadau Tirlenwi yn gweithredu fel atalydd rhag triniaeth tirlenwi ar gyfer nifer o fathau penodol o wastraff.