WATER AND WASTEWATER TREATMENT OPERATOR

CERTIFICATION PROGRAM

PHONE 307-777-6128
FAX 307-777-6779
opcert@wyo.gov

The following MS Excel file will calculate geometric means for fecal coliform data.  geomean3-rev.xls

Please be sure to erase ALL the sample data before entering your data.

 Last Updated 06 July 2011

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