field chemists

Our group of NFPA Certified Marine Chemists has over 70 years of combined experience serving Washington, Oregon and Alaska.

Don Sly
NFPA Certified Marine Chemist No. 598, Industry Trainer
Former MCA Chairman
Co-Owner

Craig Trettevik
NFPA Certified Marine Chemist No. 688  Technical Director

Amy Liu
NFPA Certified Marine Chemist No. 706, Industrial Hygienist, MACOSH Committee Member

Mike Schmitt
NFPA Certified Marine Chemist No. 711, Marine Chemist Association Flammable Cryogenic Liquid Carriers Endorsement

Joseph Trettevik
NFPA Certified Marine Chemist No. 725

office staff

Sound Testing provides a full-service office.

Peggy Vargas
Office Manager

Bonnie Sullivan
Accounts Receivable

Cheryl Sly
Co-Owner, CFO