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Shafer Farm Services LLC

Updated: 10/07/2025

PrimusGFS v4.0 Summary of Changes 

PrimusGFS

PrimusGFS Version  4.0

Summary of Changes 3.2 - 4.0

Questions and Expectations

Module 1 FSMS

Module 2 Farm

Module 4 Harvest Crew

Module 5 Facility

Module 6 HACCP

Module 9 IPM - coming soon

Checklists

Module  1 - FSMS

Module 2 - Farm

Module 4 - Harvest Crew

Module 5 - Facility

Module 6 - HACCP

Module 9 IPM - coming soon

Guidelines - coming soon

PrimusGFS 3.2 Reference Updates (1/2/24)

Supplementary Guidance for v3.2 (6/26/23)

PrimusGFS General Regulations Appendix 3

PGFS Corrective Action requirements that take effect on April 11, 2023.

Questions and Expectations

Module 1 FSMS

Module 2 Farm

Module 3 Indoor Agriculture

Module 4 Harvest Crew

Module 5 Facility

Module 6 HACCP

Module 7 Preventative Controls

Module 9 - IPM Practices

Summary of Changes

Module 1

Module 2

Module 3

Module 4

Module 5

Module 6

Module 7

Guidelines

Module 1 - FSMS

Module 2 - Farm - Includes Tables

Module 3 - Indoor Agriculture

Module 4 - Harvest Crew

Module 5 - Facility

Module 6 - HACCP

Module 7 - Preventative control

Module 9 - IPM Practices

Module 9 IPM Training from Primus
Bill Shafer attended 1/30/25


PrimusGFS v3.2 Module 5 GMP Microbiological Testing Program Minimum Criteria


PrimusGFS v3.2 Module 5 GMP Microbiological Testing


PrimusGFS v3.2 Module 5 GMP Applicability Chart


PrimusGFS v3.2 Module 5 GMP Allergens Allergenic Substances per Country



PrimusGFS 3.2 Reference (4/28/21)

Questions and Expectations

Module 1 - Food Safety Management System

Module 2 - Farm

Module 3 - Indoor Agriculture

Module 4 - Harvest Crew

Module 5 - Facility

Module 6 - HACCP

Module 7 - Preventative control

Tables

Summary of Changes

Module 1

Module 2

Module 3

Module 4

Module 5

Module 6

Module 7


Guidelines

Module 1 - FSMS

Module 2 - Farm - Includes Tables

Module 3 - Indoor Agriculture

Module 4 - Harvest Crew

Module 5 - Facility

Module 6 - HACCP

Module 7 - Preventative control

Checklists

Module 1

Module 2

Module 3

Module 4

Module 5

Module 6

Module 7

PrimusGFS 3.2 General Regulations (4/28/21)

PrimusGFS v3.2 General Regulations

PrimusGFS General Regulations - Appendix 1 Remote Activities Guidance

PrimusGFS General Regulations - Appendix 2 Remote Certification Guidance during COVID-19 Pandemic

Primus GFS 3.1 Reference (1/22/20)

Questions and Expectations

Module 1 - Food Safety Management System v3.1

Module 2 - Farm v3.1

Module 3 - Indoor Agriculture v3.1

Module 4 - Harvest Crew v3.1

Module 5 - Good Manufacturing Practices v3.1

Module 6 - HACCP v3.1

Module 7 - Preventative Controls v3.1

Tables

Summary of Changes

Module 1

Module 2

Module 3

Module 4

Module 5

Module 6

Module 7


Guidelines

Module 1 - FSMS

Module 2 - Farm - Includes Tables

Module 3 - Indoor Agriculture

Module 4 - Harvest Crew

Module 5 - GMP

Module 6 - HACCP

Module 7 - Preventative Controls

FSMA Addendums

General Regulations

Glossary

Primus GFS 3.0 Reference

Questions and Expectations

Module 1 - Food Safety Management System v3.0

Module 2 - Farm v3.0

Module 3 - Indoor Agriculture v3.0

Module 4 - Harvest Crew v3.0

Module 5 - Good Manufacturing Practices v3.0

Module 6 - HACCP v3.0

Module 7 - Preventative Controls v3.0

Checklists

Module 1

Module 2

Module 3

Module 4

Module 5

Module 6

Module 7


Guidelines

Module 1 - FSMS

Module 2 - Farm

Module 3 - Indoor Agriculture

Module 4 - Harvest Crew

Module 5 - GMP

Module 6 - HACCP

Module 7 - Preventative Controls


Additional References

Primus GFS 3.0 General Regulations

TABLE 1: AGRONOMIC INPUTS

TABLE 2: IRRIGATION / WATER USE 

TABLE 3: PESTICIDE USAGE 

PrimusGFS v3.0 Glossary 

Primus GFS 2.1-2c Reference

Checklists

Module 1 - Food Safety Management System v2.1-2c

Module 2 - Good Agricultural Practices v2.1-2c

Module 2 - Good Manufacturing Practices v2.1-2c

Module 3 - HACCP Hazard Analysis Critical Control Points v2.1-2c

Guidelines

Module 1 - Food Safety Management System v2.1-2c

Module 2 - Good Agricultural Practices v2.1-2c

Module 2 - Good Manufacturing Practices v2.1-2c

Module 3 - HACCP Hazard Analysis Critical Control Points v2.1-2c

Additional Resources

Primus Links

Recall Plan Checklist 

Pecans mock_product_recall

PrimusGFS Updates

Ceres

Primus Labs Tools - 101419

Primus Labs

PrimusGFS

Primus Standard GAP

Primus Toolkit

PrimusAuditingOps

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