City of Ventura

Laboratory Assistant (#A27)

Unit: VMEA - Maintenance Unit (A)
$21.52-$26.16 Hourly / $3,730.91-$4,534.95 Monthly / $44,770.96-$54,419.46 Yearly


Under general supervision collects and performs routine chemical and physical analysis of potable water, wastewater, industrial waste, storm water and environmental samples.

Incumbent may be required to work weekends and holidays.


This classification differs from the Laboratory Technician I classification in that incumbents are not expected to perform the more sophisticated analysis, or carry out the more difficult laboratory procedures assigned to incumbents in the Laboratory Technician I classification.


Duties may include, but are not limited to, the following:

Collects samples from treatment plant, water distribution, industrial waste and receiving water locations.

Lifts manhole covers and portable samplers from inside manholes.  Carries several liters of water samples from site back to vehicle.

Conducts chemical analysis of environmental water samples by standard procedures including, but not limited to the analysis of, solids, pH and alkalinity, COD, BOD, and chlorine residual. 

Operates pH and turbidity meters, portable samplers, analytical balances and maintains records of sampling, analysis procedures and results, and inputs data.

Cleans and maintains laboratory equipment; and performs other related work as assigned or required.


Knowledge of:  Standard water and environmental sampling and analysis procedures; safe handling of toxic or otherwise dangerous materials.

Ability to:  Understand and carry out oral and written technical instructions; simple math, maintain effective working relationships with staff, communicate with the public (industrial users); lift 45 pounds of sampling supplies (receiving water sites).


License:  Possession of a valid California Class C driver's license and an acceptable driving record is required.


Environment:  works in wastewater laboratory environment with exposure to raw sewage, chemicals, noise, and electrical energy; may have some exposure to outside conditions; may drive a vehicle to different locations. Physical Abilities:  hearing and speaking sufficient to exchange information in person or on the telephone; vision within normal range with or without correction; sitting, standing, walking, reaching, twisting, turning, kneeling, bending, squatting, and stooping for prolonged periods of time; ability to lift up to 45 pounds; uses hands to handles, feel, or operate laboratory or standard office equipment including personal computer;  mental capability to use and apply mathematical reasoning and abstract statistical concepts.  Hazards:  exposed to hazardous or toxic chemicals and solvents, fumes, sewage, noise, electrical energy, and computer screens and laboratory equipment.   


Requires a combination of education, training and experience equivalent to a high school diploma and one year of related laboratory experience.  College level course work in a laboratory science is desirable.  

CLASS: A27; EST: 7/1/2006; REV: 5/22/2013;