Bridging the GAPs: Approaches to Treating Water On Farms


Attribution
2

Table of Contents
3

Bridging the GAPs: Approaches to Treating Water On Farms
4

About Us
5

FSMA and Agricultural Water Treatment
8

FSMA Definition and Requirements of Agricultural Water
8

Overview of Agricultural Water Treatment
11

Agricultural Water Treatment Tools
16

Commercially Available Agriculture Water Treatment Technologies
16

Antimicrobial Pesticide Products – Chlorination
17

Antimicrobial Pesticide Products – Chlorine Dioxide
25

Antimicrobial Pesticide Products – Peroxyacetic Acid/Peracetic Acid
25

Antimicrobial Devices – Ultraviolet light
26

Antimicrobial Devices – Ozone
28

Developing On-Farm Agricultural Water Treatment Programs
31

Importance of SOPs
32

Critical Limits
32

Monitoring
34

Corrective Actions
36

Validation and Verification
38

Recordkeeping
42

Implementing Agricultural Water Treatments on the Farm
45

Calcium hypochlorite chlorinator
45

Liquid injection: hypochlorite or peroxyacetic acid
47

Water (hydraulic) powered systems
47

Electric powered systems
52

Ultraviolet light
55

Chemical injection versus treatment with a pesticide device
57

Antimicrobial Activity
57

EPA Approval
57

Implementation
57

Interaction with Other Compounds
57

Multi-hurdle approach
58

Monitoring
58

Water testing
60

Corrective actions
60

Summary
61

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