Weigh Scales for Monitoring Water and Wastewater Treatment Chemicals


The 10 State Standards have been developed by the Great Lakes-Upper Mississippi River Board of State and Provincial Health and Environmental Managers to provide a set of standards for water treatment facilities and a set for wastewater treatment facilities. The "10" states directly involved are Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, New York, Ohio, Pennsylvania and Wisconsin along with the province of Ontario. In addition to these states and provinces, many others have also use the 10 State Standards as a guideline for their own standards.

 


10 STATES STANDARD FOR WASTEWATER FACILITIES: 2004 REVISION

"Weighing Scales shall be provided for weighing cylinders, at all plants utilizing chlorine gas; shall be provided to measure fluoride solution feed; should be provided for volumetric dry chemical feeders…"

10StatesWWTP2004.pdf

 


10 STATES STANDARD FOR WATER FACILITIES: 2007 REVISION
"5.1.2 Control

e. Provisions shall be made for measuring the quantities of chemicals used.
f. Weighing scales
1. shall be provided for weighing cylinders at all plants utilizing chlorine gas,
2. shall be required for fluoride solution feed,
3. should be provided for volumetric dry chemical feeders, and
4. shall be capable of providing reasonable precision in relation to average daily dose."

"5.1.11 Day tanks
d. Day tanks shall be scale-mounted"

10StatesWTP2007.pdf




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