Laboratory Technician

South Coast Air Quality Management District Diamond Bar , CA 91765

Posted 7 months ago



South Coast Air Quality Management District (SCAQMD) is one of the largest and most technologically sophisticated environmental regulatory agencies in the nation. We serve a four-county region that includes all of Orange County and the urban portions of Los Angeles, Riverside, and San Bernardino counties, home to more than 17 million people.

SCAQMD's headquarters is located in Diamond Bar, 30 miles east of downtown Los Angeles, at the junction of the 57 and 60 freeways. With a highly diverse "Clean Air Team" of over 750 employees, an annual budget of $162.6 million, and a state-of-the art air quality laboratory, our mission is to ensure clean air and a healthful environment.


SCAQMD's laboratory employs over 40 staff in a 20,000 square foot state-of-the-art facility dedicated to air quality sample analysis. It provides a broad array of services generating data that is used for strategic planning, investigating citizen complaints, evaluating new products and processes, and determining compliance with regulations.

We also provide data to the California Air Resources Board, US EPA, law enforcement agencies and universities. Results generated by the laboratory have been the catalyst for agency-wide policy decisions, special studies, and technology development. We analyze over 18,000 samples every year using gas, ion, and liquid chromatographs, GC/MS, X-ray analyzers, FTIR, wet chemistry, microscopes, and ICP/MS to generate detailed information on the types and amount of contaminants in ambient air.

Most instruments have a PC for data acquisition, and many are automated and computer-controlled. Because of this broad diversity of instrumentation, our laboratory enjoys national recognition as a front-runner in the field of air quality analytical chemistry.


Under general supervision, our Laboratory Technicians perform routine laboratory tasks; extract samples by water or acid for subsequent analysis; perform calculations; enter data into data bases; and perform other related work as required. Responsibilities also include weighing filters; assisting in the preparation and analysis of samples utilizing x-ray fluorescence spectrometer (XRF), inductively coupled plasma /mass spectrometry (ICP/MS), carbon analyzer, ion chromatograph (IC) and wet chemical procedures; assisting in the preparation of equipment for complex samples such as source sampling, toxic sampling and ambient sampling; utilizing computers for data input, reduction and statistical analysis and assuring the quality and accuracy of data.


Assists in the preparation and analysis in samples utilizing x-ray florescence spectrometer, ICP-MS, ICs and wet chemical procedures.

Operates, maintains and installs air monitoring/sampling collection devices for contaminants such as hydrocarbons, aldehydes and vinyl chloride.

Utilizes computers for data reduction and statistical analysis; assures the quality and accuracy of data.

Calibrates flow rate devices by use of volume displacement meters or electronic gauges and sets correct flow rates in field studies.

Prepares sampling bags, air sampling canisters, impingers, and installs fittings.



In addition to the Minimum Qualifications which follow, the most highly-qualified candidates will have a Bachelor of Science degree in Chemistry or a related field, be familiar with a broad range of chemical analysis procedures, and have experience in a laboratory environment. Courses in instrumentation, mathematics (at the calculus level), statistics, and proficiency in common software programs such as Access, Excel, and Laboratory Information Management Systems (LIMS) are also desirable.


A minimum of twenty-four (24) semester units (36 quarter units) in chemistry which must include the following courses: general chemistry, analytical chemistry, organic chemistry, analytical methods, and the applicable laboratory sections. Courses in instrumentation, mathematics (at the calculus level), statistics and introduction to data processing are desirable.

Substitution: Demonstrated successful experience in a sophisticated laboratory environment performing a major portion of the duties listed above may be substituted for the educational unit requirements.



  • A completed employment application covering at least the past 10 years of employment history (or longer if you have other relevant experience), and your entire SCAQMD employment history if you are an SCAQMD employee.

  • Four references which include the names and phone numbers of your present and past supervisors or managers, and/or college professors or persons for whom you have directly provided services, not peers.

  • Responses to the Supplemental Questionnaire (SQ). The SQ is a form of written test, and will be evaluated as such. Your responses should be well written, clear, concise, and directly responsive to the question. Please limit your responses to no more than one page per answer.

  • An unofficial copy of your transcripts, documenting all qualifying education claimed, submitted as an attachment to your online application*.

  • You MUST submit acceptable documentation for all education claimed on your application. Acceptable documentation consists of an unofficial copy of your transcripts attached to your application. At a later date, candidates under final consideration will be required to arrange for original, official transcripts to be mailed directly from their college/university to SCAQMD, documenting all education claimed on their application.

Job applications must be completely filled out. A resume cannot be substituted for the required information. Be sure to detail any education, training or other relevant coursework that would make you a particularly strong candidate.


Application packages and supplemental questionnaires will first be screened and the most competitively qualified candidates will be invited to a multiple-choice examination and writing exercise, to be rated on a pass/fail basis.

Candidates who pass will be invited to a panel interview. The interviews (weighted at 100%) are expected to result in a ranked eligible list, from which current and future vacancies will be filled, during the 6-12 month life of the list.

Only those who demonstrate at each successive step of the selection process that they are among the most competitively qualified will be advanced to the next step. SCAQMD reserves the right to add, delete, or modify any elements of the selection process deemed appropriate, based on the number and quality of applicants at each step.

Candidates who may need a special accommodation during the evaluation process must call the Human Resources Department at least one week prior to any test dates.

If you have any questions regarding this recruitment, please contact the Human Resources Department at (909) 396-2800.

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Laboratory Technician

South Coast Air Quality Management District