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City of Toledo Chemist/Bacteriologist in Toledo, Ohio

[POSITION SUMMARY]{.underline}

Under general supervision the Chemist/Bacteriologist will perform work of moderate difficulty in chemical, physical or biological testing of air, water, wastewater, and sludge samples; performs related work as required.

[ESSENTIAL JOB FUNCTIONS]{.underline}

  • Performs chemical, physical and biological analyses of air, water, wastewater, and sludge samples.
  • Samples air, water, wastewater and/or sludge sources utilizing appropriate sampling techniques and apparatus.
  • Performs a variety of tests including, but not limited to, turbidity, hardness, alkalinity, residual chlorine, carbon dioxide, oxygen, fluoride, conductivity, calcium, magnesium, phosphate, sodium, sulfate, dissolved solids, non-filterable solids, chlorides, chrome, ammonia, nitrate, dissolved oxygen, biochemical oxygen demand, chemical oxygen demand and threshold odor number.
  • Performs analyses, identification and comparison of natural and manufactured substances and materials such as grease, oil and other petroleum products, polymers and metals.
  • Performs counts for standard plate, total coliform, fecal coliform and fecal streptococcus.
  • Performs quality assurance/quality control for all testing conducted.
  • Following well-defined and established procedures determines and regulates chemical dosage in water treatment operation and instructs operators as to proper feed rates.
  • Calibrates, repairs and modifies equipment and instruments as necessary and operates field and laboratory facilities used to chemically identify various parameters.
  • Evaluates new products and equipment and makes recommendations regarding purchase of same.
  • Controls and standardizes new sampling and analyzing procedures and modifies existing procedures to meet program and federal and state requirements.
  • Maintains manual and computerized records, prepares reports, and evaluates and interprets data relative to laboratory functions.
  • Prepares standardized laboratory reagents and media.
  • Cleans glassware and related equipment and working area.
  • May direct or oversee para-professional staff in conducting routine chemical or bacteriological analyses.

[REQUIRED KNOWLEDGE, SKILLS AND ABILITIES]{.underline}

[Knowledge of:]{.underline}

Theories, principles and practices of the field of chemistry, biology, and/or bacteriology.

Laboratory procedures.

Laboratory equipment, instruments, supplies and materials.

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