Micro December 2018
Table 6. 3M Petrifilm Rapid E. coli /Coliform Count Plate: Coliform inclusivity results vs. ISO 4832:2006
3M Petrifilm Rapid E. coli /Coliform Count Plate CFU/mL
ISO 4832:2006 CFU/mL
No.
Organism
Source
Origin Feces
30°C
37°C
42°C
30°C
37°C
42°C
Citrobacter amalonaticus a
1 2 3
ATCC b 25405 ATCC 27156 ATCC BAA-895
70 41 99
94 33 96
88 36 96
74 42 99
89 36 92
86 33 91
Citrobacter koseri a Citrobacter koseri a
Not available c
Clinical specimen - infant Clinical isolate, California human feces, North Carolina
4
Citrobacter braakii a
ATCC 43162
95
97
98
94
95
94
5
Citrobacter farmeri a
ATCC 51633
52
28
79
50
30
82
Sliced deli meat (turkey) Clinical hospital Not available Not available Raw vegetable
6 7 8 9
Citrobacter freundii a Citrobacter freundii a Citrobacter freundii a Citrobacter youngae a
QL d 100813-2A QL 11007-10 ATCC 43864 ATCC 11102 QL100813-1A
98 35 19 83 98
98 52 23 95 99
98 86 23 59 98
96 33 15 80 97
96 50 26 93 97
96 89 25 57 97
Enterobacter aerogenes Enterobacter aerogenes Enterobacter aerogenes Enterobacter amnigenus Enterobacter cancerogenus Enterobacter cancerogenus
10
11
ATCC 13048
Sputum
82
84
80
85
81
79
12
ATCC 35029
Not available
80
49
83
80
44
82
13
ATCC 51816
Milk, Minnesota
29
4
1
30
3
3
14
QL 11010-2
Bottled water
46
52
39
42
50
41
15 16 17 18 19 20 21 22 23 24 25 26
QL 11010-1
Bottled water Soy protein Spinal fluid Spinal fluid Not Available Urine, France
33 98 98 98 67 69 41 94 35 88 27 7
57 98 97 33 33 94 77 45 96 48 79 62
59 99 98 98 87 30 41 99 19 55 55 8
30 99 97 95 64 68 41 90 31 84 29 6
59 93 96 32 36 97 78 49 98 50 80 63
56 94 97 96 88 31 42 96 21 56 54 9
Enterobacter cloacae Enterobacter cloacae Enterobacter cloacae Enterobacter cloacae
QL 100813-3A ATCC 13047 NBRC e 13535 NBRC 13536 ATCC 33028 ATCC 51815 ATCC 51817 ATCC 11686 NCTC f 49334 ATCC 700324
Enterobacter gergoviae Hafnia alvei
Milk Milk
Klebsiella oxytoca Klebsiella oxytoca Klebsiella oxytoca Klebsiella oxytoca
Not available Not available Not available Not available
Klebsiella pneumoniae Klebsiella pneumoniae Klebsiella pneumoniae
ATCC 11296
27
ATCC 4352
Cow's milk
43
78
23
42
75
26
28
ATCC 13440
Not available
97
99
99
96
99
97
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