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strona From: Rafal Podeszwa Subject: Re: To =?iso-8859-2?Q?si=EA?= nazywa =?iso-8859-2?Q?por=F3wnanie?= Date: Thu, 22 Aug 2002 14:09:31 +0200
Wojtek Borczyk wrote:
>
> No to oczekuje _rzeczowej_ krytyki: ile mREM Twoim zdaniem mozna otrzymac
> od 1 g U238 ktory przedostal sie do wnetrza organizmu (uwzgledniajac rzecz
> jasna jego naturalne wydalanie np. z moczem).
Nie jestem twoim adwersarzem w tej dyskusji (adwersarz chyba przykro mówić
tej wielkosci juz nie poda), ale poniewaz wyjątkowo ciekawila mnie
odpowiedz na to pytanie, wiec postanowilem to sam obliczyc. Wyszlo mi,
ze jest to parę mSv= kilkaset miliremow na caly ogranizm (oczywiscie
wiecej na narzady, w ktorych jest wieksza koncentracja) oraz jest to raczej
gorna granica, bo wszystkie zalozenia bralem zawyzajace te dawke (wysoki
rownowaznik biologiczny, pochlonianie calej wypromieniowanej dawki,
dodatkowe promieniowanie z produktow rozpadu, miesieczne przebywanie w
organizmie). Jak na mieszkanca Polski to byloby wiecej niz naturalna
dawka roczna, ale wiecej dostaja niektorzy ludzie z naturalnych zrodel w
wielu miejscach na swiecie. Wydawalo mi sie, ze wyjdzie mniej, ale jeden
gram uranu to strasznie duzo oraz chemiczne odzialywanie na ogranizm na
pewno znacznie przekracza jego oddzialywanie radiologiczne. Nie balbym
sie za wyjątkowo pochloniecia kilku mSv, ale pochloniecia 1 g ciezkiego
metalu bym sie nie podjal :)
WASHINGTON (Reuters) - Congress should give the dirtiest U.S. coal-fired power
plants a 10-year deadline to install pollution controls or shut down to protect
public health, according to a report prepared for lawmakers and issued on
Monday.
In a shot across the bow of the Bush administration's clean air policies on the
eve of Earth Day, a panel of the National Academy of Public Administration
urged the drastic rewriting of rules governing pollution from aging coal-fired
power plants.
The academy is an independent organization created by Congress in 1984 to offer
suggestions on how to improve local, state and federal government management.
The Environmental Protection Agency's so-called new source review program is
"not having the positive effect on the health of individuals, or on the quality
of the nation's air, that Congress intended," the group said in a report to
Congress.
Emissions from power plants are linked to acid rain, smog and soot, and can
aggravate asthma, chronic bronchitis and pneumonia. Aging coal-fired power
plants are the largest U.S. source of harmful air pollution, according to EPA.
Congress added the new source review program to the Clean Air Act in 1977. But
strict anti-pollution rules do not apply to aging utilities unless they make
major modifications to boost a plant's capacity.
The government should end special treatment of older plants, and give them 10
years to either install pollution controls or shut down, the academy said.
Congress did not intend old plants to be run indefinitely, the report said.
The loophole means that "many large, highly polluting facilities have continued
to operate and have expanded their production (and pollution) over the past 25
years without upgrading to cleaner technologies," the academy said.
That delay has caused thousands of premature deaths and respiratory illnesses,
it said.
During the Clinton administration, the EPA and the Justice Department sued
eight U.S. utilities for upgrading old plants without installing scrubbers or
other pollution devices.
Last Friday, Richmond, Virginia-based Dominion Resources Inc. agreed to spend
$1.2 billion to cut pollution from eight power plants in Virginia and West
Virginia over 10 years inne