David Kingsley Backflow Assembly Tester Certification Program Manager Phone: 253-288-3369, ext. 2 Toll Free in Washington: 1-800-562-0858, ext. 2
Cheryl Bergener Certification Program Manager Phone: 360-236-3137 Judy Carter Assistant Program Manager Phone: 360-236-3139
Cheryl Bergener Certification Program Manager Phone: 360-236-3137
Judy Carter Assistant Program Manager Phone: 360-236-3139