Twiss Analytical Laboratories Inc

Information may not be reliable

26276 Twelve Trees Lane, Suite C, Poulsbo, Washington 98370
Monday - Friday 8:00am to 5:00pm

Working for a cleaner safer better world

Proud member of:
Poulsbo Chamber of Commerce

Twiss Analytical Labs
Washington State Accredited Drinking Water & Environmental Laboratory
Providing excellence in laboratory analysis since 1990

Thanksgiving - Closed November 25th and 26th

Christmas - Closed December 24th
New Years - Closed December 31st

Twiss Analytical Laboratories offers a full range of analytical services:

Environmental analysis for monitoring and compliance
Agricultural soil fertility testing
Hazardous waste designation testing
Courier pick-up and delivery

Services for Business Our rapid response and quick turnaround time will maximize your business productivity:

Drinking water testing to comply with state and local health regulations
Environmental testing to meet permit requirements
Process control and quality control testing

Courier pick up of samples and delivery of supplies is available by prior arrangement, at no charge.

Services for Government AgenciesOur accredited laboratory provides timely, accurate results for your regulatory requirements:

Rapid response to emergent events
Reports in Excel formats for electronic deliverables
Convenient access throughout western Washington
Knowledgeable staff available to answer your technical questions

Services for Homeowners Twiss Analytical Laboratories provides a wide variety of services for the homeowner designed to ensure your peace of mind, protect your family's health and help you become more environmentally knowledgeable and responsible.

Quick turnaround time
Soil fertility testing for your lawn and garden

Assisting your own efforts in environmental responsibility

Are your plants getting the nutrition they need?
Don't guess. Have your soil tested.
Soil testing provides results that allow you to apply treatments to your soil without overdoing any one amendment.
Good environmental stewardship results from applying only the amount and type of nutrients you need.
Whether you are beginning from scratch or have an existing landscape, are raising vegetables or maintaining a pasture, soil testing makes sense.
Call or email us.

Check out our
Soil Fertility Testing Brochure

Department of Ecology Accredited

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Last modified: July 12, 2009