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Applied and Environmental Microbiology, April 2000, p. 1724-1725, Vol. 66, No. 4
0099-2240/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.

Effect of Sample Holding Time on Recovery of Cryptosporidium Oocysts and Giardia Cysts from Water Samples

L. J. Robertson* and B. Gjerde

Seksjon for Parasittologi, Institutt for Farmakologi, Mikrobiologi og Næringsmiddelhygiene, Norges Veterinærhøgskole, 0033 Oslo, Norway

Received 30 November 1999/Accepted 20 January 2000

U.S. Environmental Protection Agency methods for analysis of water for Cryptosporidium and Giardia stipulate maximum sample holding times which are not always practical to comply with. A spiking experiment indicated that holding times of up to 2 weeks had no significant effect on recovery of these parasites from 10-liter samples of raw water in plastic carboys.

* Corresponding author. Mailing address: Seksjon for Parasittologi, Institutt for Farmakologi, Mikrobiologi og Næringsmiddelhygiene, Norges Veterinærhøgskole, Postboks 8146 Dep., 0033 Oslo, Norway. Phone: 47-22-96-49-66. Fax: 47-22-96-49-65. E-mail: lucy.robertson{at}veths.no.

Applied and Environmental Microbiology, April 2000, p. 1724-1725, Vol. 66, No. 4
0099-2240/00/$04.00+0
Copyright © 2000, American Society for Microbiology. All rights reserved.


This article has been cited by other articles:

  • Robertson, L. J., Gjerde, B. (2001). Occurrence of Cryptosporidium oocysts and Giardia cysts in raw waters in Norway. Scand J Public Health 29: 200-207 [Abstract]  


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