AGENCY: Salt Lake City (Utah). Water Reclamation

SERIES: 3941
TITLE: Laboratory worksheets
DATES: 1982-2015.
ARRANGEMENT: Chronological

DESCRIPTION: These daily worksheets record all tests undertaken in the lab at the Water Reclamation Plant. They are used to monitor compliance with requirements under the National Pollutant Discharge Elimination System (NPDES). These worksheets include the following forms are: 'Bacteriological Water Examination", Solids Determination", TSS Determination, Chlorine residual worksheets, effluent temperature worksheets, TF/SC Worksheet, and quality assurance and quality control worksheets.

RETENTION

DISPOSITION

RETENTION AND DISPOSITION AUTHORIZATION

These records are in Archives' permanent custody.

APPROVED: 06/1990

FORMAT MANAGEMENT

Paper: Retain in Office for 3 years after date of sample or measurement and then destroy.

APPRAISAL

Administrative Legal

This disposition is based on the record's primary evidential value to the agency. These records are maintained in accordance with the provisions of the National Pollutant Discharge Elimination System (NPDES) "to maintain records of all monitoring information" for "3 years from date of sample, measurement, report or application" (40 CFR 122.41 (1989)). These records are required under the city's authorization to discharge under NPNES, permit number UT-0021725.

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