Authorities are testing water quality and placing oil-absorbent booms along the Bang Phluang canal after a suspected oil film was spotted near the Prachin Buri River, which is still high. Flooding since Sept 21 has hit 59,727 households, damaged 109,685 rai of farmland (mostly rice) and affected 58,732 rai of aquaculture. If your business operates in Prachin Buri, Si Maha Phot, Si Mahosot, Muang or Kabin Buri, expect water-quality checks and possible restrictions on nearby fish or water use, and check your insurance and recovery plans.