Contact Us

We look forward to hearing from you. Feel free to contact us with any questions about your project.

You can contact us by sending a message using the form below, calling (206) 842-2143 or faxing us at (866) 899-7760.

Hours of Operation

Monday – Friday, 8:00 AM – 5:00 PM Pacific Time except major holidays.

Drinking water samples are accepted Monday – Wednesday 8:00 AM – 5:00 PM Pacific Time.

We will not be accepting samples on the following 2022 dates:

  • Legionella and drinking water samples on all major US holidays.

Our offices will be closed on Friday, November 25; Monday, December 26; and Friday, December 30.

Please don’t hesitate to contact us today!

Drop Box Locations and Deliveries

See our Sample Drop Box locations and schedules.  

Contact us at (206) 842-2143 in advance for special delivery of samples.

Please read our Privacy Policy for any questions about information we collect at