Wednesday, October. 12, 1983 THE REVIEW Page AY

Scientists map

BEET TRL Seren eee

radiation Sources ‘ ; ee CANADA BAFEWAY. LIMITED * ‘
oh trent Vancou H PRICES EFFECTIVE OCT. 11 TO OCT. 15, 1983

A traveller on a flight from Vancouver to Toronto and. # . ee
back receives radiation equal to that of a chest X-ray,
according. to. a°study on natural. radiation. sources. con-
ducted by the department of energy, mines and resources
(EMR). The study is one of several commissioned by the
department of health and welfare’s radiation protection
bureau to investigate radiation sources and the Canadian
public's exposure to radiation.

Pilots and crews of airliners receive significantly more
radiation than the average person because they spend more
time at high altitudes, where there are greater levels of
-cosinic radiation from charged particles travelling through
the atmosphere to the ground. The cosmic radiation level,
at the altitude at which commercial jet aircraft normally
cruise, is about 30 times higher. than that at ground level.

The intensity of cosmic rays doubles about every 2,000
metres above the ground. So people living at high altitudes
receive more cosmic radiation. For example, people living
in Banff, Alberta, receive about 50 per cent more cosmic
radiation that people living at sea level.

Researchers working for the EMR’s Geological Surv ey
of Canada (GSC) in Ottawa_have found: that radiation

In a Package Over
4.5 kg (10 Ib.)
Freshly Ground.
Regular Quality.

_ At the risk of alienating some of my left-leaning Unfortunately, the Socreds made the same mistake
friends, I would like to say that in the long run, the | the NDP made. It forged ahead without considering
elimination of rent controls will probably proveto be. some of the ramifications. And these were soon to
beneficial for renters. . emerge.

But at the same time, I’d like to put my. friendship Already. there. are cases on record in which lan-.
to quite a number of right-wingers on the line by dlords increased rents by 20 and 30 per cent. I’m sure
adding that the way rent controls were abolished was. in some of these cases, the increases were justified

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somewhat muddle-headed. from the landlord’s point of view. This will probably dosage depends on geographic location and rainfall.
I’ve never been a friend of rent controls, When the be the first time in years that they don’t lose money. The highest natural levels of radiation are in the Nor-
i NDP introduced rent controls, it responded to:a But what about the renters? And I’m not talking thwest Territories and Northern Manitoba, where there are

short-term problem, There was a severe shortage of | about people who can afford an increase of $50 or
rental accommodation at the time which resulted in $100 a month. I’m talking about a lot of older people
sharp rent increases, particularly in the large urban _. on fixed incomes who can’t afford such increases.
centres. > They. have been hit twice. Not only will their rents
The shortage had been triggered by.a number of gO up, but they will also no longer get the renters’
factors, including. the removal -of* federal. and grant...
provincial» incentives. Ottawa--had,. for instance, It is here that the government didn’t think through
reduced capital depreciation. privileges to a point its move. Abolition of rent controls may be a fair
where it became no longer profitable to build rental . enough, even good: move, but not without making
accommodation. sure that those who need protection will be protected.
It’s not too late yet. There is no reason why the
government couldn’t take steps to heip people on
By a oe : os a fixed incomes deal with sharp rent increases by way.

large areas of highly radioactive granite rock.

Fallout from atmospheric testing of atomic bombs varies -
from place. to. place depending on the annual rainfall,
which brings it-down. Of the areas surveyed, Nova Scotia
has the highest.rainfall and the highest fallout.

- Dr. Bob Grasty, a GSC geophysicst, says radiation from.
fallout has decayed to relatively low levels since its peak i in
thelate 1950s and early 1960s.
~ Whenever it snows or rains, dust particles with their
attached radioactive atoms fall to the ground and
significantly increase radiation for a short time, according
to Dr. Grasty. One spectometer record made inside a house
showed: that: as it started to snow, radioactivity increased
and reached twice the original level. It returned to its
original. level within a few hours after the snow melted.

The average Canadian is exposed to about 16 micro-.
Roentgens of radiation per hour. Two-thirds of it comes
from natural sources, according to Dr. Grasty: 26 per.cent
from. space, 24. percent from naturally radioactive
elements’.on earth and 17° per cent: from the internal
radioactivity of the body. ae we

-The natural radioactive: elements, ‘einly Potassium,
‘uranium and thorium, can be found. in the ground,.i
building materials and in the. alr. They emit either alpha- or:
-betaparticles, and gamma rays, which have eau ef-
fects, said. Dr. Grasty.

Thirty-one per cent of radiation comes fron: medical
‘sources like X- -rays, according to Dr: Grasty. Two. percent
-of.the total dose is from fallout from atmospheric weapons
testing and nuclear: power. ‘generation 4

‘of a subsidy. And it needn’t be a blanket program
that the wealthy can also.take advantage of.
The government has means tests for all sorts of
~ things. Proof by way ‘of income tax return might be
enough to establish need fora rental subsidy:
Such'a program wouldn’t cost near as much as the
global renters’ grant did, and the government would
“Instead of attacking the problem; the NDP went to still save the cost ofrent controls... :
“work on the symptoms. It froze rents. =. > Nor would such rental subsidies have: to be paid
Had the NDP followed up on rent controls with a forever. I’m sure that with the removal of rent —
“massive rental construction . program. by. making = controls: and. ‘the: ‘beginning’ of economic. recovery, .. ;
‘cheap land available to developers, some good might — enough rental accommodation will be built in the
have come of it all, but instead, rent controls. began jj coming ‘years to: keep. rents. in: check. Supply and.
_ompounding the. problem. Ses ine . aan will keep things in balance..
as Tf it-was: ‘unprofitable | befére to build rental unites 2" By-the premier’s.own admissic
‘it became all but impossible now. Nobody, wanted to

Hubert Beyer

‘which were e outside of: Tent contro me around. -N
ae Enter the: newly- elected Socred. government which -.Premier: Bennet s looking foe: votes | i dd: : "BARBER:
made t r nt controls a thing ete past a ey ‘it; , nevertheless. egies By te Bs es =) HAIR- STYLIST :

Experienced i in Conventional
i ; © and Modern Hairstyling.
® “Perms (Body Waves). '

Tues.- “Sat. 8: 0- S: 30

“The earth has been. losing speed: up; ina similar rotation: to speed: up and”
its equatorial “spare lire’’ manner, the” “earth's © faster rotation - means: a
‘and is. now... sporting, a .shrinking | Waistline is) shorter'day, °°” :
trimmer. gure, But this. causing " the! planet's § ours [Canadian Science News}

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“Fifty. thousand’ years

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and the northern continents
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pes ice to. sink: ‘and the equator a | Le age RY os “iis in Ge » @ 1 ae
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: . Bue. ever “since the ice |
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“continents: dave been rising ; a aor oa
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_ been shrinking, |
A hysicist at the: a :
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Richard. Peltier, theorizes
«oo that. the shrinkage, of the,
4 Carth's waistline is causing:
f earth's days {0 become —
shorter. .

Dr. Peltier “Uses thie.

- aniloay of aspinning figure:
“skater to explain why. this is.

Boos happening, A> spinning.”
hell a ~ skater draws in her arms to

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