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Department of Agriculture, Weights & Measures

2025 Annual Certified Private Applicator (Grower) Workshop

Date: December 04, 2025

Time: 8:00 - 11:35 a.m.

Address:

Santa Rosa Veterans Memorial Building
1351 Maple Avenue, Santa Rosa

Cost: $20 pre-registration (by 12/1) | $27 day of (on site)

Registration Required: Yes

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Pre-Registration Fee: $20 per person
Pre-registration is open from November 1 - December 1, 2025

To pre-register, please complete the registration form. The completed registration form and payment (cash or check) may be mailed or brought to our office.

Payment must be received by  Monday, December 1, 2025 by 4:00 pm to receive pre-registration rate. 

Sonoma County Department of Agriculture/Weights & Measures
Attn: Grower Workshop
133 Aviation Boulevard, Suite 110
Santa Rosa, CA 95403

Office Hours:
Monday – Friday
8:00 am – 12:00 pm and 1:00 pm – 4:00 pm
After hours drop box available.

On-site Registration Fee: $27 per person
Register the day of the workshop at the door (cash or check only).
Registration begins at 8:00 am

Agenda

Two hours of continuing education (CE) units have been approved by the California Department of Pesticide Regulation (DPR) (1.5 hours Laws & Regulations and 0.5 hour Other)

8:00 am – 8:30 am

Registration

Lobby

8:30 am – 8:35 am

Introduction

Pierpaolo Aymar
Deputy Agricultural Commissioner
Sonoma County Department of Agriculture

8:35 am – 8:45 am

Department of Agriculture - Update

Andrew Smith 
Agricultural Commissioner/Sealer of Weights & Measures
Sonoma County Department of Agriculture

8:45 am – 9:15 am
0.5 hour “Laws & Regulations”

Common Violations - PPE & Respiratory Protection

Delaney Boyd
Agricultural Inspector
Sonoma County Department of Agriculture

9:15 am – 9:25 am

Break

9:25 am – 9:55 am
0.5 hour “Laws & Regulations”

Field Worker Safety Inspection

Rachel Schuster
Agricultural Inspector
Sonoma County Department of Agriculture

9:55 am – 10:25 am
0.5 hour “Laws & Regulations”

Restricted Materials Permitting & SpreayDays

Alexander Nguyen
Deputy Agricultural Commissioner Sonoma County Department of Agriculture

10:25 am – 10:30 am

Break

10:30 am – 11:00 am
0.5 hour “Other"

GWSS/Pest Exclusion (Specialty Markets), Abandoned Vineyards

Collene Boe & Beverly Hammond
Senior Agricultural Inspector
Sonoma County Department of Agriculture

11:00 am - 11:20 am

VESCO Updates

Andy Casarez
Agriculture & Vineyard Conservation Coordinator
County Department of Agriculture

11:20 am - 11:30 am

 Region 1 Vineyard Waste Discharge Requirements - Update

Brenna Sullivan
Engineering Geologist 
North Coast Regional Water Board

11:30 am – 11:35 am

Closing Comments

Pierpaolo Aymar
Deputy Agricultural Commissioner
Sonoma County Department of Agriculture