Test Medi- Aerobic Count Plate.doc

MICROBIOLOGICAL MEDIA
QUALITY PERFORMANCE REPORT

Test Media: Aerobic Count Plate
Brand: 3M PetrifilmTM Batch No./Expiry Date: 2005-04 PF
Reference Media: Standard Plate Count Agar
Brand: Difco Batch No./Expiry Date: 3062107/2007-11
Date Tested: Job No: 297746-1
BATCH PERFORMANCE CERTIFICATE
Qualitative Analysis
Quantitative Analysis
anism
Observed Growth
anism

NZRM 87

NZRM 916
us aureus NZRM 87
Positive
Escherichia coli
NZRM 916
Positive
Ave. No. of
Colonies Test


us faecalis NZRM 1106
Positive
Ave. No. of
Colonies reference

75
Pseudomonas aeruginosa NZRM 918
Positive
% Difference
+
+
Enterobacter aerogenes
NZRM 798
Positive
Blank
No Growth
Positive: Typical as described by method
Negative: Growth not described as typical
No Growth: No visible colonies observed
Method: Direct inoculation . 1ml of an overnight culture diluted to 10-7 was used to inoculate the test media.
Blank: 5 plates inoculated with 1ml sterile water
*Quantitative pares the recovery rate of the test media to a reference media.
**Calculation: The percentage difference =

[Ave No of Test Media Colonies x100] -100
Ave No of Reference Media Colonies
Method: In House
Incubation Conditions: Aerobic 35°C/48hours
Incubation Conditions: Aerobic 35°C/48hours
Quantitative Interpretation: The media p