The average value of the Exchangeable Al/100g me is 22.6, which indicates that sewage sludge from Bandar Tun Razak, Malaysia Selangor with Al at non-toxic.
The average Exchangeable Al has 22.6 is me / 100g, which indicates that the sewage sludge from Bandar Tun Razak Selangor Malaysia, volume Al non-toxic.