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Presumptive plate count of Bacillus cereus

[Recuento presuntivo en placa de Bacillus cereus en productos lácteos en polvo.]

EPTIS factsheet 521593 | Last revision 2023-08-16 | URL: https://www.eptis.bam.de/pts521593 https://www.eptis.bam.de/pts521593

PT provider
PT provider LACM/División de Metrología LACM/División de Metrología
Based in Chile
Language(s) Spanish
Remarks The PT objectives are: - To assess the performance of laboratories that perform analysis on foods in general presumptive count of B. cereus in plate, comparing their results with the robust consensus average of all participants and setting the best estimate of reproducibility that can be obtained from test published in the scientific literature, protocols, interlaboratory tests and results of the proficiency tests carried out by LACM® / Metrology Division in recent years - This performance will be evaluated through the use of food samples with natural contamination of B. cereus, which will allow the participating laboratories to evaluate their performance under the same analysis conditions as the routine ones. These samples will be, in principle, food of low water activity, in order to ensure the stability of the material. - The list of procedures (standards) of presumptive count covered by the proficiency test is: ISO 7932, FDA/BAM MYP modality, FDA/BAM modality BAM, NCh 3116.Of2008, ISP PRT- 712.02-035, AOAC 980.31 https://lacm-icytal.uach.cl/metrologia/ Accreditation number: PEA-ENS-14
Product groups Agriculture
Food and drink
Testing fields Microbiology
Technical details
Test item Tested property Testing method
Powdered milk product Presumptive Count of Colony Forming Units (CFU) of Bacillus cereus in CFU / g of food ISO 7932
FDA/BAM Online Chapter 14
NCh 3116.Of2008
ISP PRT- 712.02-035
AOAC 980.31
Aims of the PT scheme
Target group of participants Laboratories that performing food and dairy analysis
Linked to specific legislation / standards ISO 13528:2022 ISO 22117:2019
Additional, subsidiary aims
Number of participants 8 to 14
Accredited or otherwise reviewed by a 3rd party

Accredited by Entidad Mexicana de Acreditación, EMA acreditación N°PEA-ENS-14 on the basis of ISO 17043:2010


Operation is commissioned / requested by No
Fees and frequency
Participation fee Please contact us for this information
Regularly operated Yes (Annual)
Year of first operation 2007
Contact details of the PT provider
Provider Contact person
LACM/División de Metrología
Universidad Austral de Chile, Campus Isla Teja S/N, Valdivia, Chile

Phone: 56-63-2221247
Fax: 56-63-2221245
Mrs Susan Poo
Phone: 56-63-2221247
Fax: 56-63-2221245
Email: susan.poo@uach.cl susan.poo@uach.cl
If you find any mistakes please contact the responsible EPTIS coordinator in Chile, Mr. Manuel Navarrete Rossel. Mr. Manuel Navarrete Rossel.
Any questions or problems? Please contact us at eptis@bam.de.
Application version: 1.23-SNAPSHOT.20230502124635-7925ae379a631fc1ececff45d2921c8db38877d5