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Water and Energy Savings using Demand Hot Water Recirculating Systems in Residential Homes: A Case Study of Five Homes in Palo Alto, California
This report summarizes a preliminary study aimed at estimating the potential of saving potable water, (and the electrical energy used to heat it), that is presently lost directly to the drain while occupants wait for hot water to arrive at the faucet (point of use). Data were collected from five single-family homes in Palo Alto, California. Despite the small sample size in this study, the results make a compelling case for retrofitting homes with hot water recirculation systems to eliminate unnecessary wastage of water at the point of use. Technical as well as behavioral and attitudinal changes towards water conservation are necessary for a fulfilling and successful conservation effort. This report focuses on the technical issues, but behavioral issues are also noted, which may be factored into future studies involving local and state governments and utility companies.
Date:
November 14, 2002
Creator:
Ally, M.R.
Object Type:
Report
System:
The UNT Digital Library
Rains County Leader (Emory, Tex.), Vol. 114, No. 48, Ed. 1 Tuesday, May 14, 2002
Weekly newspaper from Emory, Texas that includes local, state, and national news along with advertising.
Date:
May 14, 2002
Creator:
Hill, Earl Clyde, Jr.
Object Type:
Newspaper
System:
The Portal to Texas History
Seminole Sentinel (Seminole, Tex.), Vol. 95, No. 52, Ed. 1 Sunday, April 14, 2002
Semi-weekly newspaper from Seminole, Texas that includes local, state, and national news along with extensive advertising.
Date:
April 14, 2002
Creator:
Brisendine, Lynn & Fisher, David
Object Type:
Newspaper
System:
The Portal to Texas History
Comanche Chief (Comanche, Tex.), No. 45, Ed. 1 Thursday, March 14, 2002
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
March 14, 2002
Creator:
Wilkerson, James C., III
Object Type:
Newspaper
System:
The Portal to Texas History
Comanche Chief (Comanche, Tex.), No. 41, Ed. 1 Thursday, February 14, 2002
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
February 14, 2002
Creator:
Wilkerson, James C., III
Object Type:
Newspaper
System:
The Portal to Texas History
Comanche Chief (Comanche, Tex.), No. 28, Ed. 1 Thursday, November 14, 2002
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
November 14, 2002
Creator:
Wilkerson, James C., III
Object Type:
Newspaper
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 17, Ed. 1 Thursday, November 14, 2002
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
November 14, 2002
Creator:
Ritch, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 17, No. 11, Ed. 1 Thursday, March 14, 2002
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
March 14, 2002
Creator:
Ritch, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 17, No. 07, Ed. 1 Thursday, February 14, 2002
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
February 14, 2002
Creator:
Ritch, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
Polk County Enterprise (Livingston, Tex.), Vol. 120, No. 13, Ed. 1 Thursday, February 14, 2002
Semi-weekly newspaper from Livingston, Texas that includes local, state and national news along with advertising.
Date:
February 14, 2002
Creator:
White, Barbara
Object Type:
Newspaper
System:
The Portal to Texas History
Polk County Enterprise (Livingston, Tex.), Vol. 120, No. 21, Ed. 1 Thursday, March 14, 2002
Semi-weekly newspaper from Livingston, Texas that includes local, state and national news along with advertising.
Date:
March 14, 2002
Creator:
White, Barbara
Object Type:
Newspaper
System:
The Portal to Texas History
Polk County Enterprise (Livingston, Tex.), Vol. 120, No. 56, Ed. 1 Sunday, July 14, 2002
Semi-weekly newspaper from Livingston, Texas that includes local, state and national news along with advertising.
Date:
July 14, 2002
Creator:
White, Barbara
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 107, No. 65, Ed. 1 Wednesday, August 14, 2002
Semi-weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
August 14, 2002
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
Polk County Enterprise (Livingston, Tex.), Vol. 120, No. 30, Ed. 1 Sunday, April 14, 2002
Semi-weekly newspaper from Livingston, Texas that includes local, state and national news along with advertising.
Date:
April 14, 2002
Creator:
White, Barbara
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 107, No. 48, Ed. 1 Friday, June 14, 2002
Semi-weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
June 14, 2002
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
Hondo Anvil Herald (Hondo, Tex.), Vol. 116, No. 46, Ed. 1 Thursday, November 14, 2002
Weekly newspaper from Hondo, Texas that includes local, state, and national news along with extensive advertising.
Date:
November 14, 2002
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Hondo Anvil Herald (Hondo, Tex.), Vol. 116, No. 11, Ed. 1 Thursday, March 14, 2002
Weekly newspaper from Hondo, Texas that includes local, state, and national news along with extensive advertising.
Date:
March 14, 2002
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Hondo Anvil Herald (Hondo, Tex.), Vol. 116, No. 7, Ed. 1 Thursday, February 14, 2002
Weekly newspaper from Hondo, Texas that includes local, state, and national news along with extensive advertising.
Date:
February 14, 2002
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Seminole Sentinel (Seminole, Tex.), Vol. 95, No. 87, Ed. 1 Wednesday, August 14, 2002
Semi-weekly newspaper from Seminole, Texas that includes local, state, and national news along with extensive advertising.
Date:
August 14, 2002
Creator:
Fisher, David
Object Type:
Newspaper
System:
The Portal to Texas History
Seminole Sentinel (Seminole, Tex.), Vol. 95, No. 78, Ed. 1 Sunday, July 14, 2002
Semi-weekly newspaper from Seminole, Texas that includes local, state, and national news along with extensive advertising.
Date:
July 14, 2002
Creator:
Fisher, David
Object Type:
Newspaper
System:
The Portal to Texas History
Low Dose Risk, Decisions, and Risk Communication
The overall research objective was to establish new levels of information about how people, groups, and communities respond to low dose radiation exposure. This is basic research into the social psychology of individual, group, and community responses to radiation exposures. The results of this research are directed to improving risk communication and public participation in management of environmental problems resulting from low dose radiation.
Date:
September 14, 2002
Creator:
Flynn, James
Object Type:
Report
System:
The UNT Digital Library
Synthesis of (plus or minus) [5-{sup 3}H] N'-Nitrosoanatabine, a tobacco-specific nitrosamine
Tobacco-specific N'-nitrosamines (TSNA) are a unique class of systemic organ-specific carcinogens. The TSNA are formed by N-nitrosation of nicotine and of the minor tobacco alkaloids after harvesting of tobacco and during smoking. The N-nitrosation of anatabine leads to N'-nitrosoanatabine (NAT; 1-nitroso-1,2,3,4-tetrahydro-2,3'-bipyridyl) which requires in-depth assays in laboratory animals other than the rat. Furthermore, delineation of its tissue distribution and metabolism is needed for structure:activity comparisons with other TSNA and for the assessment of potential human risk from this TSNA. We have, therefore, synthesized (+)[5-3H]NAT. 5-Bromo-3-pyridine-carboxaldehyde was condensed with ethyl carbamate prior to Diels-Alder reaction with 1,4-butadiene to give the racemic anatabine ring system. Hydrolysis followed by reduction with LiAlT4 and nitrosation, led to (+)[5-3H]NAT (60 percent yield, specific activity 266 mCi/mmol, radiochemical purity of >99 percent).
Date:
June 14, 2002
Creator:
Desai, Dhimant; Lin, Guoying; Morimoto, Hiromi; Williams, Philip G.; El-Bayoumy, Karam & Amin, Shantu
Object Type:
Article
System:
The UNT Digital Library
The Advanced Light Source: A third-generation Synchrotron Radiation Source
The Advanced Light Source (ALS) at the E.O. Lawrence Berkeley National Laboratory (Berkeley Lab) of the University of California is a ''third-generation'' synchrotron radiation source optimized for highest brightness at ultraviolet and soft x-ray photon energies. It also provides world-class performance at hard x-ray photon energies. Berkeley Lab operates the ALS for the United States Department of Energy as a national user facility that is available 24 hours/day around the year for research by scientists from industrial, academic, and government laboratories primarily from the United States but also from abroad.
Date:
August 14, 2002
Creator:
Robinson, Arthur L.
Object Type:
Article
System:
The UNT Digital Library
WABASH RIVER INTEGRATED METHANOL AND POWER PRODUCTION FROM CLEAN COAL TECHNOLOGIES (IMPPCCT)
The Wabash River Integrated Methanol and Power Production from Clean Coal Technologies (IMPPCCT) project is evaluating integrated electrical power generation and methanol production through clean coal technologies. The project is conducted by a multi-industry team lead by Gasification Engineering Corporation (GEC), and supported by Air Products and Chemicals, Inc., Dow Chemical Company, Dow Corning Corporation, Methanex Corporation, and Siemens Westinghouse Power Corporation. Three project phases are planned for execution over a three year period, including: (1) Feasibility study and conceptual design for an integrated demonstration facility, and for fence-line commercial plants operated at Dow Chemical or Dow Corning chemical plant locations; (2) Research, development, and testing to define any technology gaps or critical design and integration issues; and (3) Engineering design and financing plan to install an integrated commercial demonstration facility at the existing Wabash River Energy Limited (WREL) plant in West Terre Haute, Indiana. This report describes management planning, work breakdown structure development, and feasibility study activities by the IMPPCCT consortium in support of the first project phase. Project planning activities have been completed, and a project timeline and task list has been generated. Requirements for an economic model to evaluate the West Terre Haute implementation and for other …
Date:
October 14, 2002
Creator:
Strickland, Doug & Tsang, Albert
Object Type:
Report
System:
The UNT Digital Library