2026MF39R1 Instruction Sheet and Result Submission

PT Round 2026MF39R1

Step 1 of 6

Please read carefully before starting analysis

Quick Safety & Handling

Only trained and authorized personnel should handle PT items.
Confirm sample integrity upon receipt; notify the PT Provider if damaged.
Record date of receipt and store under the specified conditions until analysis.
Initiate analysis within 48 hours of receipt.
Treat PT items like routine samples and use standard methods unless otherwise instructed.

Program Details

Program Code: 2026MF39R1 Category: Milk and Dairy Products Matrix: Cheese Powder Measurand: Salmonella, Listeria monocytogenes, Total Plate Count,
Coliform count, Yeast and Mould Result Submission: 15 September 2026 Storage: 2–8 °C until analysis

Revival Instructions

Vial 2026MF39R1-V1

Aseptically uncap the vial and rehydrate with 4 ml sterile saline peptone water (0.1% Peptone + 0.85% NaCl).
Securely recap and allow 5 minutes rehydration at room temperature.
Uncap container 2026MF39R1-1 and aseptically transfer 25 g of sample matrix to the enrichment broth for Salmonella and remaining 25 g to the enrichment broth for Listeria monocytogenes.
Homogenize thoroughly.
Transfer 2 ml rehydrated content to each of the enrichment broths for Salmonella and Listeria monocytogenes.
Perform routine analysis.

Vial 2026MF39R1-V2

Aseptically uncap the vial and rehydrate with 5 ml sterile saline peptone water (0.1% Peptone + 0.85% NaCl).
Securely recap and allow 5 minutes rehydration at room temperature.
Uncap container 2026MF39R1-2 and aseptically transfer 10 g to the sterile bag/bottle/flask and add 85 ml of diluent to each bag/bottle/flask.
Homogenize thoroughly.
Empty rehydrated vial content to the diluent prepared in above step ensuring proper homogenization.
Perform serial dilutions of 10:100000 and proceed with your routine analysis for Total Plate count and coliform count.

Vial 2026MF39R1-V3

Aseptically uncap the vial and rehydrate with 5 ml sterile saline peptone water (0.1% Peptone + 0.85% NaCl).
Securely recap and allow 5 minutes rehydration at room temperature.
Uncap container 2026MF39R1-2 and aseptically transfer 10 g to the sterile bag/bottle/flask and add 85 ml of diluent to each bag/bottle/flask.
Homogenize thoroughly.
Empty rehydrated vial content to the diluent prepared in above step ensuring proper homogenization.
Perform serial dilutions of 10:100000 and proceed with your routine analysis for Yeast and Mould.

Raw Data Submission

Upload clear photographs of plates for all analytes tested.
Upload photographs of biochemical tests performed.
Accepted formats: JPG, PNG, PDF | Max size: 5 MB each.

Note: Ensure images are in focus and labeled with sample ID, dilution, and date.

Reporting of Results

PT Round: 2026MF39R1

Analytes to Report

For this PT round 2026MF39R1, you are required to report results for the following analytes:

Salmonella

Reporting Basis: Per 25g

ISO 6579 (Part 1):2017, IS 5887 (Part 3):1999

Listeria monocytogenes

Reporting Basis: Per 25g

IS 14988 (Part 1):2020, BAM chapter 10

Total plate count

Reporting Basis: cfu/g

IS 5402 (Part 1): 2021, BAM chapter 3

Coliform count

Reporting Basis: cfu/g

IS 5401 (Part 1):2012

Yeast & Mould

Reporting Basis: cfu/g

IS 5403:1999, BAM chapter 18

Online submission only: Do not download/print this page. Use the Next button to proceed to result entry.

Key Instructions (Read before you begin)

Do NOT download or print this page — results must be entered and submitted online only.
Use the Next button at the bottom to go to the results entry section.
Double-check all entries before submission — changes may not be accepted after submission.
Retain all raw data and supporting records (e.g., plate photographs, biochemical results, calibration logs) as per ISO/IEC 17025.
Upload clear evidence where required — unclear/missing records may lead to disqualification.
Avoid collusion — responsibility lies entirely with the participant.
Click Submit once only — unsolicited re-submissions may result in only the first entry being considered.
If you cannot proceed, ensure all required fields are completed.
You will see a confirmation message upon successful submission.
Use the specified methods, or an equivalent validated method capable of required accuracy. Obtain prior written permission for deviations.
Results in inappropriate formats (e.g., “<”, “>”, or zero where not applicable) may not be considered.
Read and follow the PT Protocol carefully before starting analysis.

PT Result Submission

Program Code: 2026MF39R1

Last Date for Result Submission: 15th September 2026

Note: All fields are mandatory.

Before starting the analysis, please ensure you have read the handling and analysis instructions carefully.

Lab Code(Required)

Please enter a number from 0 to 20.

For lab code, refer to the sample forwarding letter sent along with the sample

Name of Participating Laboratory/ Organization:(Required)

Date of Result Reporting(Required)

As filled in the registration form

Sample Code(Required)

Please enter a number from 0 to 20.

Name(Required)

Designation(Required)

Phone(Required)

Email(Required)

Start Date of Analysis(Required)

End Date of Analysis(Required)

Section 1

Sample Vial(Required)

Please select the appropriate vial code

Measurand/Parameter(Required)

Please select the appropriate measurand

Participating ?(Required)

Results(Required)

Select appropriate option

Units of Measurement(Required)

Method Used(Required)

Media Used(Required)

Colony characteristics(Required)

Incubation Conditions(Required)

e.g. 37 Degrees for 24 hrs

Biochemical Performed(Required)

Any Confirmatory/Biochemical Tests Performed and their results

Accredited as per ISO 17025 scope?(Required)

Section 2

Sample Vial(Required)

Please select the appropriate vial code

Measurand/Parameter(Required)

Please select the appropriate measurand

Participating ?(Required)

Results(Required)

Select appropriate option

Units of Measurement(Required)

Method Used(Required)

Media Used(Required)

Colony characteristics(Required)

Incubation Conditions(Required)

e.g. 37 Degrees for 24 hrs

Biochemical Test(Required)

Any Confirmatory/Biochemical Tests Performed and their results

Accredited as per ISO 17025 scope?(Required)

Section 3

Sample Vial(Required)

Please select the appropriate vial code

Measurand/Parameter(Required)

Please select the appropriate measurand

Participating ?(Required)

Results(Required)

Enter your results as whole number only. Do not report your results as “Present”, “Absent”. Do not enter values in decimal points or symbols “greater than” or “less than”, etc.

Units of Measurement(Required)

Method Used(Required)

Media Used(Required)

Colony Charateristics(Required)

Incubation Conditions(Required)

e.g. 37 Degrees for 24 hrs

Biochemical Test(Required)

Any Confirmatory/Biochemical Tests Performed and their results

Accredited as per ISO 17025 scope?(Required)

Section 4

Sample Vial(Required)

Please select the appropriate vial code

Measurand/Parameter(Required)

Please select the appropriate measurand

Participating ?(Required)

Results(Required)

Enter your results as whole number only. Do not report your results as “Present”, “Absent”. Do not enter values in decimal points or symbols “greater than” or “less than”, etc.

Units of Measurement(Required)

Method Used(Required)

Media Used(Required)

Colony Charateristics(Required)

Incubation Conditions(Required)

e.g. 37 Degrees for 24 hrs

Biochemical Test(Required)

Any Confirmatory/Biochemical Tests Performed and their results

Accredited as per ISO 17025 scope?(Required)

Section 5

Sample Vial(Required)

Please select the appropriate vial code

Measurand/Parameter(Required)

Please select the appropriate measurand

Participating ? 5(Required)

Results(Required)

Enter your results as whole number only. Do not report your results as “Present”, “Absent”. Do not enter values in decimal points or symbols “greater than” or “less than”, etc.

Units of Measurement(Required)

Method Used(Required)

Media Used(Required)

Colony Charateristics(Required)

Incubation Conditions(Required)

e.g. 37 Degrees for 24 hrs

Biochemical Test(Required)

Any Confirmatory/Biochemical Tests Performed and their results

Accredited as per ISO 17025 scope?(Required)

2026MF39R1 Instruction Sheet and Result Submission

PT Round 2026MF39R1

Instructions to Participants

Quick Safety & Handling

Program Details

Revival Instructions

Vial 2026MF39R1-V1

Vial 2026MF39R1-V2

Vial 2026MF39R1-V3

Raw Data Submission

Reporting of Results

Analytes to Report

Key Instructions (Read before you begin)

PT Result Submission

Section 1

Section 2

Section 3

Section 4

Section 5

Organizations’ Details

Registered Office

Quick link

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