The nuclear fuel core at the WPPSS No. 2
reactor glows
blue from Cherenkov radiation. This view is from a movable bridge
directly over
the water-covered reactor pool. At left a shiny tube descends
toward the core to
move a fuel rod.
STANDING ON A BRIDGE over
the reactor pool of Washington's only
operating
nuclear-power
plant, I peer downward through 16 feet of crystalline
water to the reactor core, its heat damped by insertion of boron
control rods so
that some of its fuel can be replaced.
The water is all that shields us from the
lingering Cherenkov
radiation
(named for the Soviet physicist who first observed it) of the fuel
rods, a
radiation that glows an unearthly, hypnotically beautiful blue.
We are swathed in coveralls, hood, booties and
two layers of
gloves, the
joints in our clothing temporarily sealed with masking tape.
Multiple radiation
detectors are slung on a plastic cord around our neck. Yet our
faces are
exposed.
Our real protection is the water, which works
like a solid
barrier to
absorb radiation and shield maintenance workers from exposure.
Plant manager John Swailes, a former submarine
officer, tries to
lend
reassurance by saying he'd feel safe swimming across the surface
of the reactor
pool. If he dived deep toward the cluster of control rods,
however, he'd likely
pick up enough radiation to kill himself.
We watch as technicians use a robot arm to lift
depleted fuel
rods from the
reactor core and shift them, always keeping them underwater, to an
adjacent
storage pool. Then fresh rods are carried in.
The work is slow, careful and methodical,
verified with prepared
lists and
overseen by an inspector from the Nuclear Regulatory Commission.
Plant personnel
are on notice. Just weeks before, three longtime senior plant
workers were
dismissed for trying to shortcut established procedures.
"There's a lot of
stress in this business," remarked Swailes, who had to fire
his friends.
In return for the scrutiny, key operators in the
control room at
the
Washington Public Power Supply System plant can earn
airline-pilot-level salaries:
from $80,000 to $110,000 a year.
THIS REFUELING GOES ON every spring, when river levels are high, dam
turbines are spinning out power and the nuclear plant isn't
needed.
The frequent refueling is costly, however -
managers are
studying whether it could be postponed to every other year - and
illustrates why
commercial nuclear power has never fulfilled its early promise.
There are 109
U.S. nuclear-power plants, more than in any other country.
Their share of the nation's electricity load has increased from 4
percent in 1973,
when the Arab oil embargo hit, to 22 percent now. At the same
time, no U.S.
utility has ordered a nuclear plant since 1978 -- the year before
the disaster at
Three Mile Island in Pennsylvania -- and the one generator at
Hanford is struggling
to remain cost-competitive in the Pacific Northwest.
With coal and natural gas plentiful, 20 older
American nuclear
plants have
shut down.
Nuclear-power plants are not as efficient as
they theoretically
could be.
Nuclear submarines, for example, can cruise 10 years before having
to refuel
because their fuel rods contain up to 98 percent enriched uranium.
This level of
enrichment makes the rods dangerous and a source of potential bomb
material, so
the commercial industry uses fuel rods with only 2 percent to 4
percent enriched
uranium.
This forces frequent refueling, and through
1993, the WPPSS
plant was
operating only 58 percent of the time. That has recently been
boosted to 75
percent as managers press for the efficiencies necessary to keep
the plant
financially competitive.
Refueling delays are just one of the practical
drawbacks of
nuclear power.
So is the sheer complexity of a nuclear plant: The unfinished
Satsop plant in
Grays Harbor County has 90 miles of piping and 1,300 miles of
electrical cable.
The Hanford plant requires 1,300 people to run, plus hundreds more
for quick
maintenance when the reactor is shut down. Dangers aside, nuclear
power has turned
out to be complicated and cantankerous.
"Nuclear energy is a tough sell in this
country,"
admitted James
Lewis, the Bonneville Power Administration's liaison with WPPSS.
"There's no
question it's a technical challenge. It needs careful
handling."
Yet Lewis remains a supporter. "Yes, there
is high-level
waste. But I
have no problem storing it at individual plants; it's such a
contained amount.
There are no greenhouse gases. Environmentally, I think it is
still the way to
go."
THE EARLY PROMISE was
tantalizing. Even as the shadow of the hydrogen bomb
seemed to envelop the world's future in 1954, the peaceful uses of
atomic energy
were being promoted as the brightest spot in our brave, new
technological
future.
"It is not too much to expect that our
children will enjoy
in their
homes electrical energy too cheap to meter," Atomic Energy
Chairman Lewis
Strauss forecast that year. After all, 2.2 pounds of plutonium
gave off energy
equal to 34 million pounds of TNT. If atomic energy could be
harnessed for power,
energy availability seemed boundless.
Today the U.S. nuclear industry is at a
standstill,
"killed," in
the words of sympathetic author Richard Rhodes "not by its
enemies but by its
friends." Mismanagement left nuclear power uncompetitive in
today's power
market: a combination of a lack of standardized design, poor
control of
construction costs, rapidly changing regulation, soaring interest
rates and
inability to open a reasonably priced national underground waste
depository.
"Had nuclear power been able to contain its
costs,"
said Lewis,
"it wouldn't have faced as much severe opposition from the
public."
Nowhere are the ruins of America's
nuclear-power-plant program
more
dramatic than in the Pacific Northwest. Oregon's 1,100-megawatt
Trojan plant at
St. Helens on the Columbia River, that state's biggest energy
source when it
opened in 1976 (it produced enough power for 500,000 homes), was
shut down in 1992
after less than half its intended operational life. Soaring
maintenance costs,
citizen criticism and a statewide vote in 1981 to ban future
nuclear plants in
Oregon led Portland General Electric to get out early.
"It did not perform as well as we wanted it
to
perform," noted
PGE spokesman David Heintzman. The plant operated only 54 percent
of the time
because of the need to refuel and make repairs. Steam generator
tubes cracked and
leaked radioactive water. Faced with a choice of installing new
generators or
switching to natural gas, the utility chose the latter, estimating
it saved $100
million by walking away from Trojan.
The Trojan plant cost only $500 million when it
was built in the
early
1970s but will cost at least $410 million, in 1993 dollars, to
take apart, a
project extending more than a decade into the future.
Washington has the region's only remaining
operating nuclear
plant, WPPSS'
$3.3 billion No. 2 reactor in Richland. Four others, started in
the 1970s in the
most ambitious nuclear construction program in the nation, have
been abandoned.
One of them at Hanford was two-thirds complete; one at Satsop was
75 percent
done.
The plants that were half-built will be slowly
demolished over
the next
decade, demolition at Satsop starting early next year.
The sheer magnitude of nuclear-power
miscalculation is difficult
to grasp
unless one walks through the abandoned plants: reactors that will
never fire,
turbines that will never run, control-panel dials that will never
twitch, trays of
cable that will never carry electricity. Cooling towers as high as
a 50-story
building and two-thirds the width of the Kingdome. All to be sold
off, dismantled
or dynamited.
"I'm embarrassed by the failure of nuclear
power in the
Pacific
Northwest," said Michael Louisell, spokesman for the
abandoned WPPSS No. 3
plant in Satsop. "It's a good way to get electricity. We were
a small agency,
and we got overwhelmed."
The pain of terminating No. 3, at 75 percent
completion, is
evident: It was
the showcase plant with the fewest problems and most rapid
construction. "If
WPPSS 3 had been finished, it would have been the best nuclear
plant in the
country," Swailes said.
Other nations have had happier experiences with
nuclear power.
France
relies on it for 70 percent of its electricity, and Japan for 27
percent. Both
nations use standardized designs instead of allowing each utility
to go its own
way. Both stress the need for a high level of operation and
meticulous
maintenance. Both plan to reprocess, or reuse, their used fuel
rods, lessening
their radioactive-waste problem at the cost of producing more
surplus plutonium
that could be turned into bombs.
The United States has been wrestling for nearly
two decades with
where to
put nuclear-plant waste for long-term storage.
THE GOOD NEWS about
radioactive waste is that it decays naturally into
harmless byproducts; about 90 percent of the radioactivity in the
most dangerous
defense wastes now stored in tanks decays away in the first 100
years. The bad
news is that some isotopes decay very, very slowly.
The Environmental Protection Agency has
concluded it will take
roughly
10,000 years for commercial-power-plant waste to decay to a
background radiation
level equivalent to a natural deposit of uranium.
Ideas for handling waste have ranged from using
rockets to fire
it into the
sun to burying in it the abyss of the ocean. But the U.S. approach
has been to
find a stable, underground depository where casks of waste turned
into glass could
sit for milleniums, for a while reaching temperatures of 300
degrees.
After several sites were examined, including
Hanford, Congress
in 1987
narrowed the search to one: Yucca Mountain
in Nevada. The
decision was widely
interpreted more as a comment on the political weakness of the
sparsely populated
state than confidence in its geology.
"Yucca Mountain was done by a purely
political process that
ignored
science," said Bob Schaefer, a spokesman for the Military
Production Network,
a peace group. "It was a `bleep' Nevada bill."
Nevada was so furious that at one point the
state cut off water
to the
Yucca Mountain site, forcing managers to truck supplies from
California until a
court order lifted the ban.
Yucca Mountain is a 5,000-foot-high desert ridge
of volcanic
origin that
gets only 6 inches of rain a year. Its water table sits beneath
where the waste
storage tunnels would be, and its "welded tuff" rock of
former volcanic
ash is tougher than concrete. Moreover, it is remote: Even if
waste somehow broke
loose and started migrating through the soil, the nearest large
city - Las Vegas -
is 100 miles away. The tentative plan was to store 7,000 tons of
radioactive waste
and then backfill the tunnels to prevent access to it.
Unfortunately, Yucca Mountain is in a
geologically active area.
There are
three faults in the area where tunnels would be drilled and 33
more in the
surrounding ridge. Seven cinder cones, some of which erupted as
recently as 20,000
years ago, are within 10 miles. Just 12 miles away, an earthquake
measuring
magnitude 5.6 occurred June 19, 1992.
The Department of Energy has hired 900 workers
to dig a
5-mile-long tunnel
loop through the mountain with a $13.2 million, 720-ton boring
machine built in
Kent. The tunnel, now 1,700 feet long, will be used by geologists
to examine the
mountain's interior in detail and test for water leakage,
earthquake dangers and
so on.
"This is the most broad application of
geologic science to
solve a
problem anywhere in the world," said John Peck, a geologist
and
spokesman.
The federal government has spent $1.7 billion on
Yucca Mountain.
The U.S.
House of Representatives recently voted to cancel the project and
the Senate to
put it on hold, raising the possibility of surface storage at
alternate sites such
as the Nevada Test Site or Hanford.
THE QUESTION of
nuclear-waste storage tends to create odd enemies and
allies.
Anti-nuclear
activists
tend to be skeptical, not only because of the remote
chance of leakage but because a depository could be perceived by
the public as a
solution to the waste problem, allowing nuclear-power-plant
construction to start
up again.
Some nuclear enthusiasts believe there could be
uses for waste
fuel rods
and that burying it is premature.
No state wants the stuff, and moving fuel rods
from the water
pools where
they continue to cool next to each nuclear plant raises concerns
about
transport.
A good argument could be made to simply wait.
Certainly that
seems to be
the public mood.
A recent nuclear-industry poll showed 14 percent
of Americans
think more
nuclear-power plants should be built, 16 percent said they should
never be built
and 64 percent said "don't build now but keep the option
open."
This hesitation may be typical of our ambivalent
attitudes
toward the
perils and promises of nuclear energy. After World War II,
physicist Robert
Oppenheimer tried to sum up for audiences the thoughts scientists
had as they
unleashed the nuclear age.
"When (the atomic bomb) went off, in the
New Mexico
dawn," he
recounted, "we thought of Alfred Nobel and his hope, his vain
hope, that
dynamite would put an end to wars. We thought of the legend of
Prometheus, of that
deep sense of guilt in man's new powers, that reflects his
recognition of evil,
and his long knowledge of it. We knew that it was a new world, but
even more we
knew that novelty itself was a very old thing in human life, that
all our ways are
rooted in it."
Accordingly, the physicist sought hope in this
eternal human
quest for the
new and the powerful.
"It did not take atomic weapons to make war
terrible,"
Oppenheimer said in 1946. "It did not take atomic weapons to
make man want
peace, a peace that would last. But the atomic bomb was the turn
of the screw. It
has made the prospect of future war unendurable. It has led us up
those last few
steps to the mountain pass; and beyond there is a different
country."
Is there a different country? Have we been
feeling our way into
its
frontiers in these past 50 years since Trinity? Has it opened up
just since 1991
and the collapse of the Soviet Union?
Or has the new Prometheus equipped us with the
bombs and waste
of
inevitable self-destruction?
Even plain-spoken Harry Truman didn't have an
answer to that
one.
"I fear," the president confided in
his diary,
"that
machines are ahead of morals by some centuries and when morals
catch up perhaps
there'll be no reason for any of it. I hope not. But we are only
termites on a
planet and maybe when we bore too deeply into the planet there'll
be a
reckoning.
"Who knows?"
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