1. Constructed wetlands treatment of municipal wastewaters :manual
Author: United States Environmental Protection Agency
Library: Library of Niroo Research Institue (Tehran)
Subject: ، Constructed wetlands,Purification Biological treatment ، Sewage
Classification :
TD
756
.
5
.
C665
2000
2. Onsite wastewater treatment systems manual
Author: United States. Environmental Protection Agency. Office of Water ; United States. Environmental Protection Agency. Office of Research and Development
Library: Library of Razi Metallurgical Research Center (Tehran)
Subject:
Classification :
TD
745
.
W362
2002
3. Pathogen intrusion into the distribution system
Author: Gregory J. Kirmeyer ... ]et al.[ ; sponsored by AWWA Research Foundation and United States Environmental Protection Agency
Library: Library of Razi Metallurgical Research Center (Tehran)
Subject: Purification Microbial removal ، Water,Contamination ، Drinking water,Detection ، Pathogenic microorganisms,Distribution Equipment and supplies Evaluation ، Water,Distribution Equipment and supplies Maintenance and repair ، Water
Classification :
TD
427
.
M53
P38
2001
