USGS Ohio Water Science Center

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Ohio Water Microbiology Lab

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Ohio Water Science Center

USGS In Your State


USGS Water Science Centers are located in each state.

There is a USGS Water Science Center office in each State. Washington Oregon California Idaho Nevada Montana Wyoming Utah Colorado Arizona New Mexico North Dakota South Dakota Nebraska Kansas Oklahoma Texas Minnesota Iowa Missouri Arkansas Louisiana Wisconsin Illinois Mississippi Michigan Indiana Ohio Kentucky Tennessee Alabama Pennsylvania West Virginia Georgia Florida Caribbean Alaska Hawaii New York Vermont New Hampshire Maine Massachusettes South Carolina North Carolina Rhode Island Virginia Connecticut New Jersey Maryland-Delaware-D.C.

OWML: QA/QC

Quality Assurance/Quality Control Manual: Ohio Water Microbiology Laboratory

 

Analytical Balances
balancesAnalytical balances are used for accurate weighing of reagents and media. They are checked and calibrated annually by the manufacturer’s service technician, and the results are recorded in the LIMS. Calibration records are stored in the equipment logbook. Balances must rest on a firm, level surface. Balance trays are wiped off after each use with water or a surface disinfectant, such as Conflikt or 70 percent ethanol.

   

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