920 Samoa Blvd, Ste 217, Arcata, CA 95521
(707) 633-8885

Sampling Instructions

Sampling Instructions for Soil, Plant Tissue, and Water Analysis with DBS Lab

Follow these instructions when collecting samples for analysis by DBS Lab. Remember – your results are only as accurate as your sampling method!

Sending in samples to DBS?

Include a completed copy of the DBS Sample Order Form

Please include a full copy of the DBS Sample Order Form

Entire form must be complete and signed

The order form must be fully completed and signed before processing will begin.

Ensure that each sample is labeled

Label each sample and make sure that the label matches what is written on the Order Form.

You may also include payment with your samples

You may also include payment with your samples (check or money order), call in advance with a payment, or pay when the sample is received by DBS.

Mail completed form & labeled sample to DBS

Mail completed form & labeled sample, to DBS at 920 Samoa Blvd, #217, Arcata, CA 95521

Sample Drop-off Locations

Here’s a list and map of drop-off locations for any soil, water, or plant tissue sample you have taken. Please note that we do not accept pest ID samples on Thursday or Friday, as the samples may not be viable by the next working day.

Below is a list of drop off locations for soil & water samples. 

920 Samoa Blvd. #217, Arcata, CA 95521


Monday -Friday 11am-4pm

4020 Santa Rosa Avenue
Santa Rosa, CA 95407
(707) 800-7486
Monday-Friday 10:00am-5:00pm
Weekends by appointment

4543 S Pacific Hwy Phoenix, OR 97535
(541) 535-6726
Monday-Saturday 10:00am-6:00pm

76420 Covelo Road Covelo, CA 95428
Phone: 707-983-6424
Hours: Everyday, 9 am ~ 6 pm


945 Caves Hwy, Cave Junction, OR 97523
Monday – Saturday 10:00am – 5:00pm