To qualify for examination the law requires a high school diploma or equivalent and four years of experience in the design of on-site wastewater treatment systems of a character satisfactory to the board. The four years of experience must be completed two months prior to the date of the examination. The board shall evaluate all experience, including education, on a case-by-case basis and consider such experience and education as appropriate. The board will use the following criteria in evaluating an applicant's experience record:

Acceptable education experience will be based on transcripts.

(1) Education experience, up to a maximum of two years, may be approved based on the following:

(a) Graduation from a baccalaureate or associate degree program which contains course work in the sciences and technologies of on-site wastewater treatment systems, as provided in RCW 18.210.100.

(b) Completed college level course work without a degree will be evaluated on a case by case basis.

(c) Documented seminars, industry training programs, and other educational or training programs specifically related to the science and technologies of on-site wastewater treatment systems will be evaluated on a case by case basis.

(2) Acceptable work experience shall be four years of broad based, progressive field and office experience in the design of on-site wastewater treatment systems. The applicability of the experience shall be considered by the board based upon the verification provided by the applicant, the level of independent judgments and decisions, and the demonstration of the ability to work within the regulatory structure. This experience must include, but shall not be limited to the following:

(a) Applying state and local health regulations;

(b) Exercising sound judgment when making independent decisions regarding the sciences and technologies of on-site wastewater treatment systems;

(c) Field identification and evaluation of site conditions;

(d) Conducting research and;

(e) Interacting with clients and the public in conformance with chapter 18.210 RCW.

The board may grant partial credit for experience that does not fully meet the requirements in (a) through (e) of this subsection.

(3) Teaching of a character satisfactory to the board may be recognized as experience up to a maximum of one year.

(4) Any work experience gained in a situation which violates the provisions of chapter 18.210 RCW will not be credited towards the experience requirement.