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Please note: These procedures may be revised as the situation develops.

PHASE 1 WINDROW APPROVAL CHECKLIST

Applicability: This checklist is to be used 14 days after windrow construction to verify that they have been 

constructed in accordance with the protocol and have reached temperatures necessary for virus 

inactivation. 

Premises County 

& Number: Farm Name:

Farm Address: 

Farm Contact: Contact Phone:

Windrow No.(s):

Date 

Windrow(s) 

Started:

Date 

Windrow(s)

Completed:

Who constructed 

windrow/s?

Contact Info:

Yes No N/A Comments/Description

PHASE 1 WINDROW EVALUATION—Days 1–14

1 Height between 6 and 8 feet tall

2 Width between 12 and 15 feet wide

3 Dome shaped without significant irregularities 

4 No soft tissue visible on the surface of the windrow

5 A minimum of 8 inches of carbon cover material

6 Moisture adequate

7 Leachate present

8 Excessive flies

9 Vector activity observed

10 Odor observed: VOA, putrid

11 Temperature measured at 18 inches and 36 inches

12 Temperatures reached 131°F for 72 consecutive hours

13 Photos taken

PHASE 1 RECOMMENDATIONS OF STATE ANIMAL HEALTH, APHIS OR IMT OFFICIAL:

I have observed the windrows at this site and in my professional judgment they have been 

constructed consistent with the criteria outlined in the Mortality Composting Protocol for Avian Influenza

Infected Flocks. Additionally, windrow temperatures have reached the average temperature of 131°F 

for a minimum of 72 consecutive hours. The 14-day initial composting cycle is complete.

FY2016 HPAI Response

Mortality Composting: 

Phase 1 Windrow Evaluation Checklist

Days 1–14 for Avian Influenza Infected Flocks

May 11, 2016
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I have observed the windrows at this site and in my professional judgment they have NOT been 

constructed consistent with the criteria outlined in the Mortality Composting Protocol for Avian Influenza 

Infected Flocks. The windrows should be evaluated by a composting Subject Matter Expert (SME) to 

recommend corrective actions if necessary. 

Windrow temperatures have NOT reached the average temperature of 131°F for a minimum of 72 

consecutive hours. The windrows should be evaluated by a composting SME to recommend corrective 

actions if necessary.

Signature of State Animal Health

Official, APHIS Official or IMT Official: __________________________ Date: _____________

Print name of signing official: ____________________________________________________

PHASE 1 RECOMMENDATIONS OF SUBJECT MATTER EXPERT (FOR UNDERPERFORMING 

WINDROWS):

I have observed the windrows at this site and based on their construction and my review of the 

temperature logs, the windrows have performed in a manner demonstrated to inactive the avian 

influenza virus. The 14-day initial composting cycle is complete.

I have observed the windrows at this site and based on their construction and my review of the 

temperature logs, the windrows have NOT performed in a manner demonstrated to inactive the avian 

influenza virus. The following corrective actions are recommended:

Date of windrow evaluation: _____________________________________________________

Signature of Composting SME: ________________________________ Date: ______________

Print name of Composting SME: __________________________________________________

The corrective actions recommended above were completed on: ________________________

Phase 1 was completed on: _____________________________________________________

Signature of Composting SME: ________________________________ Date: ______________