摘要:

Definitions associated with the EPA Secondary Regulations are presented. The Secondary Regulations are nonenforceable at the federal level, but have been issued as guidelines for the states to follow. The secondary regulations are effective as of January 1981.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1979.tb00598.x

出版商:Wiley    

年代:1979

数据来源: WILEY

摘要:

The membrane filter technique is a fast, economic, and highly reliable method of coliform detection which is used extensively for drinking water analysis. Care must be taken that the apparatus is sterile and that the technique is aseptic. The analytical procedure is outlined here.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1979.tb00600.x

出版商:Wiley    

年代:1979

数据来源: WILEY

摘要:

Provided are safety procedures to minimize or eliminate hazards associated with ammonia. The handling and storage of the chemical, gas masks, protective gear, and first aid treatments are discussed.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1979.tb00601.x

出版商:Wiley    

年代:1979

数据来源: WILEY

摘要:

Topics in this month's “Certification Corner” include reservoir and clearwell vent openings, chemical characteristics of water, carbon dioxide in water, corrosiveness of water on metals, functions of aeration, and alum.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1979.tb00602.x

出版商:Wiley    

年代:1979

数据来源: WILEY

摘要:

Fall is a good time to flush mains because seasonal peak demands experienced during the summer are over. Instructions for flushing mains are provided.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1979.tb00603.x

出版商:Wiley    

年代:1979

数据来源: WILEY