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State of Washington Classified Job Specification


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Class Code: 453F
Category: Regulatory Services



Employees in this class are fully qualified, journey-level of the series. In addition to performing any or all of the duties of a Weights and Measures Compliance Specialist 1, are assigned responsibility for less than 6 of the following functions:

1. Inspection and testing of large capacity scales involving the use of specialized weight handling equipment including 10,000 pounds or more of known test weights;

2. Inspection and testing of railroad track scales;

3. Inspection and testing of liquid petroleum (propane) meters;

4. Inspection and testing of mass flow meters;

5. Inspection and testing of taxi meters;

6. Inspection and testing of vehicle-tank meters;

7. Inspection and testing of emerging technologies such as electric vehicle charging stations, compressed natural gas, liquefied natural gas and GPS based transportation network systems;

8. Conducting price verification inspections;

9. Serving as an assistant and back-up to the State Meteorologist;

10. Inspection and testing of high flow rate petroleum meters.

Distinguishing Characteristics

Under general supervision, enforces state and federal weights and measures laws to protect consumers, assure fair competition among businesses and promote uniformity in commerce. Inspects and tests electronic and mechanical weighing bulk commodities to determine compliance with labeling regulations and weight, measure, and count declarations. Conducts price verification inspections. Inspects and tests taxi meters. Investigates consumer complaints, provides inspection services on request and provides technical advice to business operators. Inspect and test devices used to implement new technologies such as alternate fuels and time and distance measuring devices. May lead others on special inspection projects, oversee the maintenance or refurbishments of specialized equipment and serve as a trainer for other inspection staff.

Typical Work

Inspects and tests small, intermediate and large capacity scales using certified known test weights;

Inspects retail motor fuel stations for advertising, product delivery documentation, pricing and labeling, fraud detection and safety/environmental requirements; test retail motor fuel dispensers for accuracy, correct delivery and computation of charges;

Conducts motor fuel sampling and testing in support of the State Motor Fuel Quality Act;

Enforces package and labeling laws; inspects packaged items for weight, count and volume; inspects bulk commodities such as cordwood, sand and gravel, and garden bark;

Conducts price verification to determine that commodity pricing, sale and advertised prices accurately reflect point-of-sale charges are consistent with advertised and UPC scanned price;

Approves, certifies and seals correct and accurate devices; may evaluate device audit trails for evidence of fraud. Orders business operators to stop the use of devices that are inaccurate, not suitable for use and orders the devices to be repaired. Seriously defective devices may be confiscated or condemned;

Recommends civil penalties based upon findings;

Inspects and tests taxi, cordage and fabric meters;

Investigates consumer complaints, cooperates with law enforcement agencies and responds to requests for inspection service;

Audits public weighmasters for licensing compliance with scale inspection requirements, record keeping and proper production and use of weight tickets;

Audits and evaluates the work of agents registered to repair and place weighing and measuring devices into service;

Gathers evidence of fraud by short weight, volume, or count; processes evidence for use by prosecuting attorney; testifies as expert witness; investigates consumers’ complaints;

Independently schedules and plans inspections for their assigned geographic area. Coordinates and plans for the use of special equipment;

Maintains a home office. Prepares, maintains and submits accurate records and reports; schedules and plans inspections;

Responsible for maintenance on assigned vehicles and maintenance of measurement standards used during the course of inspections;

Performs difficult and/or hazardous inspections in a wide range of industrial setting such as petroleum loading racks, pulp mills and grain terminals. Includes operating the large vehicles and specialty equipment or arranging for and directing the efforts of businesses’ staff required to conduct the inspection;

Performs maintenance and minor repairs on program owned equipment such as heavy capacity scale weight carts, liquefied petroleum gas prover units and fuel volumetric testing equipment and trailers;

Serves as a trainer for other inspectors as assigned; Voluntarily serves on special projects as a subject matter expert to the National Conference on Weights and Measures;

Performs other work as required, including any or all of the duties typically assigned a Weights and Measures Compliance Specialist 1.

Knowledge and Abilities

Knowledge of: Applicable state laws and rules, National Institute of Standards and Technology Handbook 44 addressing the specifications, tolerances and requirements of weighing and measuring devices and NIST Handbook 130 governing labeling, method of sale of commodities, engine fuels and automotive lubricants, and examination procedures for price scanners and NIST Handbook 133 addressing the procedures for checking the net contents of packaged goods. Knowledge of: legal requirements associated with stopping the use of defective weighing and measuring devices, stopping the sale of noncompliant motor fuel and stopping the sale of improperly labeled or short weight packages offered for sale. Knowledge of scientific principles involved in the design, installation and operation of weighing and measuring devices; mathematical concepts and principles.

Ability to: teach, interpret, and apply laws, regulations, and policies relating to weights and measures; inspect weighing and measuring equipment to determine method in which operated and legality of use; pass national certification examinations use maturity of judgment to establish and maintain cooperative relationships with business operators and the public; gather, preserve, and present evidence in written, oral, and physical form; write clear, concise accurate, and informative reports; operate a variety of information technology platforms, travel frequently and sometimes for extended periods, perform minor repairs to vehicles and equipment, plan weekly schedules, and work in settings ranging from hazardous industrial facilities to retail stores.

Legal Requirement(s)

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

Persons legally authorized to work in the U.S. under federal law, including Deferred Action for Childhood Arrivals recipients, are eligible for employment unless prohibited by other state or federal law.

Desirable Qualifications

One years of experience as a weights and measures compliance specialist.


Two years of experience in the design, inspection, maintenance, repair and/or installation of weighing or measuring devices with an Associate’s degree or higher with major course work in mathematics, chemistry, physics, engineering, electronics, criminal justice, business administration or allied fields. Education may substitute for the required experience on a ratio of one year of college education being equivalent to six months of experience.


Successful completion of National Conference on Weights and Measures professional certification exams appropriate to the inspections conducted by the program.

Note: A valid license to operate a motor vehicle is required. Positions in this class may also require a Commercial Drivers’ License (CDL).

Class Specification History

New class: 8-26-77
Revised definition, minimum qualifications and distinguishing characteristics: 7-1-96
New class code: (formerly 42840) effective July 1, 2007
Revised salary range, class title, definition, typical work, distinguishing characteristics, knowledge and abilities and desirable qualifications; adopted June 30, 2017, effective July 1, 2017

Revised Legal Requirements; effective June 6, 2024, due to adopted legislative action.