[14] Standard Operating Procedure for Dissolved Oxygen Micro Method,
Winkler Titration, LG501, Revision 06, Jan 2007.
[15] Standard Methods for Examination of Water and Wastewater.
BIOCHEMICAL OXYGEN DEMAND. 5210D. 19th Edition, 1995.
[16] American Public Health Association, American Water Works
Association, Water Environment Federation, 1999.