64. Precautions to be taken after sludge is used.

64.     Precautions to be taken after sludge is used.

Where any sludge1 or septic tank sludge2 has been used3 on agricultural4 land, no person may cause or knowingly permit the grazing of animals or the harvesting of forage crops to be carried out on that land before the expiry of three weeks commencing on the date of the use, or cause or knowingly permit the harvesting of fruit and vegetable crops which are grown in direct contact with the soil and normally eaten raw to be carried out on that land before the expiry