Veteran's Credit: Pursuant to the County Charter and County policy, in all open competitive examinations (i.e., examinations open to everyone), the County of Los Angeles will add a credit of 10 percent of the total credits specified for such examination to the final passing score of an honorably discharged veteran, as well as the spouse of a deceased or disabled veteran, who served in the Armed Forces of the United States under specific conditions. Prepares or finalizes in written form detailed, step-by-step instructions covering all procedures approved for laboratory use whether for test performance, the preparation of reagents or other compounds or solutions, the calibration, maintenance, and trouble-shooting of equipment, and related matters; maintains such procedures in manual form for common reference.