Katadyn Water Filter Testing History

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Katadyn Water Filter Testing History

Source: http://www.katadyn.ch/technologie/testing.history.html

Date Documentation Source Pathogens Concentration Test Duration Results/
Removal

7/21,
1997 National Water
and Sewerage Corporation,
Kampala, Uganda Coliform total Raw water sample reflecting real conditions, >20,000/ml single test 100 %

6/28,
1995 University of Arizona,
USA Klebsiella 1,2 x 10¹⁰ test series 100 %

cryptosporidium 1.6 x 10⁶ 1/100/ 100 %

200 litres

3,
1994 Swiss Tropical Institut
Basle, Switzerland Giardia lamblia 3 x 10⁶ cysts/ml culture test 100 %

Entamoeba invadens 2/4 x 10⁴ cysts/ml culture test 100 %

11,
1991 Ministerio de Salud
Buenos Aires, Argentina Pseudomonas aeruginosa 26,000/ml single test 100 %

Escherichia coli 28,500/ml single test 100 %

Vibrio cholerae 23,000/ml single test 100 %

6-7,
1991 Laboratorio
Clínico Lima,
Perú Escherichia coli 21,500/ml single test 100 %

Enterobacter aerogenes 12,500/ml single test 100 %

Vibrio cholerae 700,000/ml single test 100 %

Escherichia coli 500,000/ml single test 100 %

Proteus vulgaris 500,000/ml single test 100 %

Aerobacter aerogenes 100,000/ml single test 100 %

Streptococcus B 100,000/ml single test 100 %

6,
1990 Departement of Industry
Labor and Human Relations
Wisconsin, USA Giardia 100,000 cysts/ml single test 100 %

Aeromonas hydrophila 100,000 cells/ml single test 100 %

Klebsiella aerogenes 10⁶ cells/ml single test 100 %

Pseudomonas aeruginosa 10,000 cells/ml single test 100 %

Streptococcus 100,000 cells/ml single test 100 %

faecalis 10,000 cells/ml single test 100 %

Vibrio cholerae 100,000 cells/ml single test 100 %

Yersinia enterocolitica 7.6 x 10^6 cells/ml single test 100 %

Escherichia coli 400 cysts/ml single test 100 %

Entamoeba histolytica

6,
1986 South African Bureau
of Standards Pretoria,
South Africa Pseudomonas aeruginosa
Klebsiella pneumoniae
Escherichia coli
Salmonella typhi
Streptococcus
faecalis Treated river water inoculated with mixed bacterial suspension 10 days 100 %

6,
1982 University of Michigan Institute of
Environmental &
Public Health,
Ann Arbor,
Michigan, USA Giardia muris 100,000 cysts/liter 15 tests usings poly-carbonate filter membrane technique over 26 days with alternate periods non-use 100 %

Tetrahymena multi- micronucleatum 100,000 cells/liter

Paramecium pyriformis 100,00 organisms/liter

Enterobacter aerogenes

9,
1981 U.S. EPA/University
of Michigan, Institute
of Environmental and
Industrial Health,
School of Public Health, Ann Arbor,
Michigan, USA Klebsiella aerogenes 1,000,000/ml 21 culture tests per day over a 26 day period with alternate periods of non-use 100 %

Vibrio cholerae 1,000/ml

Pseudomonas aeruginosa 1,000/ml

Yersinia enterococolitica 10,000/ml

Streptococcus 10,000/ml

faecalis 1,000,000/ml

Aeromonas hydrophila

5/ 2-28,
1981 Centrilab BV
Soest, Holland Escherichia coli 50,000/ml 26 days 100 %

Streptococcus 50,000/ml 26 days 100 %

faecalis 50,000/ml 26 days 100 %

Pseudomonas aeruginosa

1,
1976 Insitute Pasteur
Lille, France Coliform total 46 x 10⁷/100 ml single test 100 %

Coliform faecalis 24 x 10⁷/100 ml single test 100 %

Streptococcus 11 x 10⁵/100 ml single test 100 %

faecalis 240/100 ml single test 100 %

Salmonella 5 x 15⁵/100 ml single test 100 %

Clostridium 39 x 10⁵/100 ml single test 17

Germs total 37 °C 56 x 10⁵/100 ml single test 3

20 °C

11/13,
1972 Waukesha County
Health Waukesha,
Wisconsin, USA Coliform bacteria 4,400/100 ml 2 single tests 100 %

5/4,
1970 University of Zurich
Institute for Medical Microbiology,
Switzerland Escherichia coli 50,000/ml single test 100 %

4/5,
1970 Laboratory of Central
Brunnen, Switzerland Escherichia coli 3,000/ml 6 years 100 %

1/5,
1962 Swiss Tropical Institute
Basle, Switzerland Entamoeba invadens Positive large number culture test zero growth

1/18,
1954 Harward University
Dept. of Applied
Sciences
Cambridge, USA Entamoeba histolytica 400 cysts/ml 2 single tests 100 %

4/21,
1953 U.S. Testing Co.
Hoboken,
New Jersey USA Salmonella typhosa 9,400,000/ml single test 100 %

Escherichia coli 7,500,000/ml single test 100 %

Shigella dysenteriae 8,000,000/ml single test 100 %

5/20,
1947 University of Basle Insitute of Hygiene Switzerland Coliform bacteria 100,000,000/ml 7 months 100 %

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Date	Documentation Source	Pathogens	Concentration	Test Duration	Results/ Removal

7/21, 1997	National Water and Sewerage Corporation, Kampala, Uganda	Coliform total	Raw water sample reflecting real conditions, >20,000/ml	single test	100 %

6/28, 1995	University of Arizona, USA	Klebsiella	1,2 x 10¹⁰	test series	100 %
		cryptosporidium	1.6 x 10⁶	1/100/	100 %
				200 litres

3, 1994	Swiss Tropical Institut Basle, Switzerland	Giardia lamblia	3 x 10⁶ cysts/ml	culture test	100 %
3, 1994	Swiss Tropical Institut Basle, Switzerland	Entamoeba invadens	2/4 x 10⁴ cysts/ml	culture test	100 %

11, 1991	Ministerio de Salud Buenos Aires, Argentina	Pseudomonas aeruginosa	26,000/ml	single test	100 %
		Escherichia coli	28,500/ml	single test	100 %
		Vibrio cholerae	23,000/ml	single test	100 %

6-7, 1991	Laboratorio Clínico Lima, Perú	Escherichia coli	21,500/ml	single test	100 %
		Enterobacter aerogenes	12,500/ml	single test	100 %
		Vibrio cholerae	700,000/ml	single test	100 %
		Escherichia coli	500,000/ml	single test	100 %
		Proteus vulgaris	500,000/ml	single test	100 %
		Aerobacter aerogenes	100,000/ml	single test	100 %
		Streptococcus B	100,000/ml	single test	100 %

6, 1990	Departement of Industry Labor and Human Relations Wisconsin, USA	Giardia	100,000 cysts/ml	single test	100 %
		Aeromonas hydrophila	100,000 cells/ml	single test	100 %
		Klebsiella aerogenes	10⁶ cells/ml	single test	100 %
		Pseudomonas aeruginosa	10,000 cells/ml	single test	100 %
		Streptococcus	100,000 cells/ml	single test	100 %
		faecalis	10,000 cells/ml	single test	100 %
		Vibrio cholerae	100,000 cells/ml	single test	100 %
		Yersinia enterocolitica	7.6 x 10^6 cells/ml	single test	100 %
		Escherichia coli	400 cysts/ml	single test	100 %
		Entamoeba histolytica

6, 1986	South African Bureau of Standards Pretoria, South Africa	Pseudomonas aeruginosa Klebsiella pneumoniae Escherichia coli Salmonella typhi Streptococcus faecalis	Treated river water inoculated with mixed bacterial suspension	10 days	100 %

6, 1982	University of Michigan Institute of Environmental & Public Health, Ann Arbor, Michigan, USA	Giardia muris	100,000 cysts/liter	15 tests usings poly-carbonate filter membrane technique over 26 days with alternate periods non-use	100 %
		Tetrahymena multi- micronucleatum	100,000 cells/liter
		Paramecium pyriformis	100,00 organisms/liter
		Enterobacter aerogenes

9, 1981	U.S. EPA/University of Michigan, Institute of Environmental and Industrial Health, School of Public Health, Ann Arbor, Michigan, USA	Klebsiella aerogenes	1,000,000/ml	21 culture tests per day over a 26 day period with alternate periods of non-use	100 %
		Vibrio cholerae	1,000/ml
		Pseudomonas aeruginosa	1,000/ml
		Yersinia enterococolitica	10,000/ml
		Streptococcus	10,000/ml
		faecalis	1,000,000/ml
		Aeromonas hydrophila

5/ 2-28, 1981	Centrilab BV Soest, Holland	Escherichia coli	50,000/ml	26 days	100 %
		Streptococcus	50,000/ml	26 days	100 %
		faecalis	50,000/ml	26 days	100 %
		Pseudomonas aeruginosa

1, 1976	Insitute Pasteur Lille, France	Coliform total	46 x 10⁷/100 ml	single test	100 %
		Coliform faecalis	24 x 10⁷/100 ml	single test	100 %
		Streptococcus	11 x 10⁵/100 ml	single test	100 %
		faecalis	240/100 ml	single test	100 %
		Salmonella	5 x 15⁵/100 ml	single test	100 %
		Clostridium	39 x 10⁵/100 ml	single test	17
		Germs total 37 °C	56 x 10⁵/100 ml	single test	3
		20 °C

11/13, 1972	Waukesha County Health Waukesha, Wisconsin, USA	Coliform bacteria	4,400/100 ml	2 single tests	100 %

5/4, 1970	University of Zurich Institute for Medical Microbiology, Switzerland	Escherichia coli	50,000/ml	single test	100 %

4/5, 1970	Laboratory of Central Brunnen, Switzerland	Escherichia coli	3,000/ml	6 years	100 %

1/5, 1962	Swiss Tropical Institute Basle, Switzerland	Entamoeba invadens	Positive large number	culture test	zero growth

1/18, 1954	Harward University Dept. of Applied Sciences Cambridge, USA	Entamoeba histolytica	400 cysts/ml	2 single tests	100 %

4/21, 1953	U.S. Testing Co. Hoboken, New Jersey USA	Salmonella typhosa	9,400,000/ml	single test	100 %
		Escherichia coli	7,500,000/ml	single test	100 %
		Shigella dysenteriae	8,000,000/ml	single test	100 %

5/20, 1947	University of Basle Insitute of Hygiene Switzerland	Coliform bacteria	100,000,000/ml	7 months	100 %