920 West Samoa Blvd Eureka, 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 852 W Wabash Ave, Eureka, CA 95501

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. 


Hours Open: 
Mon-Sat 9:00am – 6:00pm
Sunday 10:00am – 6:00pm
Address: 852 W Wabash Ave, Eureka, CA 95501 View Map
Phone: (707) 444-9999
Website: https://nhs-hydroponics.com/


Hours Open:
Mon-Sat 9:00am – 6:30pm
Sun 10:00am – 6:00pm
Address: 1580 Nursery Way, McKinleyville, CA 95519 View Map
Phone:  (707) 839-9998
Website: https://nhs-hydroponics.com/


Hours Open: 
Mon-Sat 8am – 6pm
Sunday 9am – 6pm
Address 126 Dinsmore Dr, Fortuna, CA 95540 View Map
Phone: (707) 725-5550
Website: https://nhs-hydroponics.com/

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