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Home » State Human Resources » Compensation & job classes » Classified Job Listing » Specifications » State of Washington Class Specification

State of Washington


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Abolished Date: 2015-08-14


Performs controlled chemical testing to certify breathalyzer equipment accuracy, maintains and repairs breathalyzer equipment, and gives testimony in court.

Typical Work

Conducts controlled chemical tests to certify breathalyzer equipment accuracy;  

Repairs and maintains breathalyzer equipment;  

Testifies in court of law as expert witness in chemical testing;  

Performs miscellaneous crime lab functions assisting criminalists;  

Transports evidence to lab; packages and inventories lab evidence;  

Performs other work as required.

Knowledge and Abilities

Knowledge of:  basic principles of chemistry, physics, biology, analytical instrumentation and testing.   

Ability to:  operate and conduct chemical testing on breathalyzer equipment; prepare clear, concise documentation; present expert court testimony.

Legal Requirement(s)

There may be instances where individual positions must have additional licenses or certification. It is the employer’s responsibility to ensure the appropriate licenses/certifications are obtained for each position.

Desirable Qualifications

A Bachelor of Science degree which includes a minimum of 20 semester hours or 30 quarter hours of chemistry. 


Equivalent education/experience.

Class Specification History

New class: 9-13-83
New class code: (formerly 53990) effective July 1, 2007

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