By R.M. Ayres, D.D. Mara
An illustrated consultant to the laboratory research of handled wastewater meant to be used in agriculture. Noting that using wastewater for crop irrigation is changing into more and more universal, the booklet goals to assist laboratories make sure that wastewaters meant for agricultural use agree to WHO instruction values for microbiological caliber. those values have been formerly proven by means of WHO to be able to guard opposed to the danger that wastewater irrigation might facilitate the transmission of excreta-related illnesses. significant dangers are addressed: the transmission of intestinal nematode infections to crop shoppers and agricultural staff, and the transmission to crop shoppers of faecal bacterial ailments, together with bacterial diarrhoea and dysentery, typhoid and cholera.
Analytical strategies advised within the handbook are uncomplicated and potent, require minimal gear, and will be performed by way of people with very little past parasitological or microbiological adventure. All systems are absolutely defined and obviously illustrated in over forty images, together with 20 colour plates. proper laboratory abilities also are defined with the purpose of encouraging standardized functionality of methods.
The handbook has 3 chapters. the 1st, on sanitary parasitology, offers complete info for the functionality of the transformed Bailenger procedure for the enumeration of intestinal helminth eggs in wastewater. a short clarification of the benefits and drawbacks of this technique is via a listing of the straightforward gear and consumables required, and an illustrated consultant to every step within the research. bankruptcy , on sanitary bacteriology, presents equally specified info for 3 systems urged for the enumeration of faecal coliform micro organism: so much possible quantity equipment and a membrane filtration technique. the ultimate bankruptcy units out guidance for engaging in regimen tracking of faecal coliforms and helminth eggs.
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Additional info for Analysis of Wastewater for Use in Agriculture: A Laboratory Manual of Parasitological and Bacteriological Techniques
WHO Technical Report Series, No. 742 • 1987 (38 pages) Sw. fr. 7. Wastewater stabilization ponds. Principles of planning and practice. WHO Regional Publications, Eastern Mediterranean • 1987 (138 pages) Sw. fr. 25. Appropriate technology for the treatment of wastewaters for small rural communities. Report on a WHO meeting. WHO Regional Publications, Europe • 1985 (62 pages) Sw. fr. 8. Further information on these and other WHO publications can be obtained from Distribution and Sales, World Health Organization, 1211 Geneva 27, Switzerland.
Hunter et al. • 1993 (162 pages) Sw. fr. 35. A guide to the development of on-site sanitation. R. Franceys, J. Pickford & R. Reed • 1992 (245 pages) Sw. fr. 47. Guidelines for the safe use of wastewater and excreta in agriculture and aquaculture. D. Mara & S. Cairncross • 1989 (194 pages) Sw. fr. 35. Health guidelines for the use of wastewater in agriculture and aqua-culture. Report of a WHO Scientific Group. WHO Technical Report Series, No. 778 • 1989 (74 pages) Sw. fr. 9. Agriculture-health linkages.
8. Further information on these and other WHO publications can be obtained from Distribution and Sales, World Health Organization, 1211 Geneva 27, Switzerland. Prices in developing countries are 70% of those listed here. Back cover The use of wastewater for crop irrigation is becoming increasingly common. Resulting crop yields are higher, as wastewater contains nutrients necessary for plant growth: However, there is the risk that wastewater irrigation may facilitate the transmission of intestinal nematode infections and faecal bacterial diseases to both consumers and agricultural workers.