N.J. Stat. Ann. § 26:3-18.1

As used in this act, "public health laboratory technician" applies to every officer appointed by a board of health to perform bacteriological, serological, chemical and related technical laboratory tests in a laboratory conducted by a board of health, excepting health officers, public health nurses, sanitary inspectors, plumbing inspectors, food and drug inspectors, milk inspectors, meat inspectors, and persons performing washing or cleaning services or clerical duties in the office of the board of health.