Radiation Risks in Perspective - Chapter 10 (end) pptx

... Natural background radiation Radiation from natural sources including cos- mic radiation from outer space, terrestrial radiation from naturally occur- ring radionuclides in the earth’s crust, ... eliminating certain technologies would dimin- ish the risk. In this case eliminating technologies may avoid serious catastrophe. But there is little justification for a precautionary appr...

Ngày tải lên: 12/08/2014, 00:22

... Number -1 0: 0-8 49 3-7 97 7-6 (Hardcover) International Standard Book Number-13: 97 8-0 -8 49 3-7 97 7-2 (Hardcover) is book contains information obtained from authentic and highly regarded sources. Reprinted ... explanation without intent to infringe. Library of Congress Cataloging -in- Publication Data Mossman, Kenneth L., 194 6- Radiation risks in perspective / by...

Ngày tải lên: 12/08/2014, 00:22

... in greater detail in Chapter 7. 52 Radiation Risks in Perspective The multifactorial nature of carcinogenesis suggests that LNT may be too sim- plistic. Cancer is more than damage to individual ... & Francis Group, LLC The problem of uncertainty in decision making is discussed in Chapter 4. 60 Radiation Risks in Perspective as Ward Valley in Califor...

Ngày tải lên: 12/08/2014, 00:22

... health risks. A dose framework eliminates several important sources of uncertainty in risk-based decision making. Without the need to determine risk, uncertainties in dose and cross-species extrap- olation ... epidemiological-based risks have a minimal uncertainty of about 1% due to errors in ascertainment of disease. 11 This means that risks less than 1% (or 1 in 100 ) can...

Ngày tải lên: 12/08/2014, 00:22

... particularly in developed countries, are increasingly interested in more actively participating in the processes of decision making regarding health, safety, and environmental issues. Decision making, ... LLC 120 Radiation Risks in Perspective social and other nontechnical perspectives in the decision-making process. The integ- rity and credibility of the decision-making p...

Ngày tải lên: 12/08/2014, 00:22

... living in high background radiation areas show no increase in public health effects that may be attributed to radiation exposure. 20 Many human carcinogens occur naturally, including carcinogens ... Levels in U.S. Ionizing radiation Cosmic radiation, terrestrial radionuclides, excluding radon External and internal exposure (ingestion) ~1 mSv/year Ionizing radiation...

Ngày tải lên: 12/08/2014, 00:22

... the time of testing, and length of the testing period. Basement readings are higher than readings on upper floors; readings tend to be higher in winter than in summer; long-term readings are more ... EPA, Washington, DC, 1992; U.S. Environmental Protection Agency, EPA Assessment of Risks from Radon in Homes, EPA 402-R-0 3-0 03, U.S. EPA, Office of Radiation and Indoor Air, Was...

Ngày tải lên: 12/08/2014, 00:22

... Chev- ron (home products business in 1993). Sumitomo Chemical Abbott (AG business in 2000), Chevron (ag business in 1991). Others include California Chemical, Cali- fornia Spray, and some PPG Industries ... Products. The shuffling in top 10 rankings over this 5 year period is a true reflection of the constant turmoil in the industry. Also of interest in Table 3 is the flat to decli...

Ngày tải lên: 11/08/2014, 12:21

... the daughterproductsproducedbythenitriers.AtthispointitisnotclearifAMOis kineticallydominantinfull-scaleWWTPsamongallenzymesthatmightbecapable of transforming pharmaceuticals, especially if the enzymes are present in fast-grow - in gheterotrophicorganisms.Proofthatnitriersareresponsiblefortransformation ofsteroidsinfull-scalesystemshasnotbeenshowndenitively.Itmaybethatnitri - ...

Ngày tải lên: 18/06/2014, 16:20

... observed mainly during the first week of storage, in all the samples, including nonirradiated samples, indicates that vitamin C loss during storage of fresh-cut vegetables is not affected by ionizing radiation ... vitamin C in the diet, and depending on the cooking process, losses in the vitamin content are quite different. For example, boiling can reduce the vitamin C content in abo...

Ngày tải lên: 18/06/2014, 19:20