摘要:

The Metropolitan Water District of Southern California has a special Underwater Services Unit made up of seven divers who perform underwater operation and maintenance procedures for the District distribution system. The various duties of the Unit are described.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1980.tb00613.x

出版商:Wiley    

年代:1980

数据来源: WILEY

摘要:

This article relates an incident in which taste problems were created by a garden hose connected to an outside tap. The remedy for the problem is described, and the importance of good customer relations is emphasized.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1980.tb00614.x

出版商:Wiley    

年代:1980

数据来源: WILEY

摘要:

This article describes granular and powdered activated carbon and how each is used. Specific guidelines for handling, storage, controlling activated carbon fires, and protection and safety of workers using these chemicals are presented.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1980.tb00615.x

出版商:Wiley    

年代:1980

数据来源: WILEY

摘要:

Damage caused by freezing and ice buildup has ruined many storage tanks in recent winters. This article gives examples of ice damage and suggests methods of preventive maintenance, handling of ice buildups, and preventing outside ice buildup on the tank structure. Pumping schedules to keep water moving and use of fire hydrants or end‐of‐line blowoff valves are covered.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1980.tb00616.x

出版商:Wiley    

年代:1980

数据来源: WILEY

摘要:

The list provides names and addresses of water supply agencies in Nova Scotia, Newfoundland, New Brunswick, Prince Edward Island, Quebec, Ontario, Manitoba, Saskatchewan, Alberta, and British Columbia, and correct data for Arkansas, Delaware, and Florida are included.

ISSN:0149-8029    

DOI:10.1002/j.1551-8701.1980.tb00618.x

出版商:Wiley    

年代:1980

数据来源: WILEY