Is mercury in 2809 class 8 packing group 3?

Mercury is classified as a hazardous material and is typically placed in Packing Group I or II, depending on the specific regulations and context. In the context of the UN classification system, it is generally not categorized under Packing Group III, which is reserved for substances that pose a lower level of danger. Therefore, mercury would not be classified in Packing Group III under the 2809 designation.