Who We Are

Field Chemists

Our group of NFPA Certified Marine Chemists serve the Pacific Northwest and beyond.

Craig Trettevik
NFPA Certified Marine Chemist No. 688
Principle Maritime Consultant
Technical Director

Amy Liu
NFPA Certified Marine Chemist No. 706
Certified Industrial Hygienist (CIH)
Asbestos Certified Building Inspector
Industry Trainer
Maritime Consultant
MACOSH Committee Member
MCA Flammable Cryogenic Liquid Carriers Endorsement

Joseph Trettevik
NFPA Certified Marine Chemist No. 725

Lucas Kuebler
NFPA Certified Marine Chemist No. 728
Industry Trainer
“Director of Special Projects”

Don Sly
NFPA Certified Marine Chemist, Emeritus 
Retired – NFPA Certified Marine Chemist No. 598
Industry Trainer
Former MCA Chairman

Garret Holt
Marine Chemist – Training
Industrial Hygienist

Carena Toy
Industrial Hygienist