1. APHA AWWA and WEF. (1995). Standard methods for the examination of water and wastewater 19th Ed. Washington D.C.
2. City of Toronto. (2001). North Toronto Treatment Plant: 2000 annual report Works and Emergency Services Dept. Water Pollution Control Div. Toronto.
3. Joint Committee of ASCE and WEF. (1998). Design of municipal wastewater treatment plants 4th Ed. ASCE Reston Va.
4. Kosmatos A. (2001). “Experimental determination of the empirical formula and energy content of unknown organics in wastewater.” B.A.Sc. thesis Univ. of Toronto Toronto.
5. Lide D. R. ed. in chief. (1999). CRC handbook of chemistry and physics 80th Ed. CRC Boca Raton Fla.