WAC 296-78-540
WAC 296-78-540. First-aid training and certification
You must ensure that first-aid trained personnel are available to help employees who are injured or who become acutely ill on the job. You must meet this requirement by maintaining first-aid trained staff on the job site. You must ensure that:
(1) Each person in charge of employees has first-aid training; or another person with first-aid training is present or available to the employees. Such training must be successfully completed every two years;
(2) Documentation of first-aid training is kept;
(3) Emergency telephone numbers are adequately posted.