94

WORLDWIDE EFFECTS OF ATOMIC WEAPONS

APPENDIX V

Applied Physlology

CARBON DIOXIDE CONTENT OF AIR

The average data for normal activity in a temperate zoneare given
below.

(By volume)

1. Water balance:

.

'
DAILY

WATER

95

Inhaled air (dry, at sea level) 202,
Alveolar air... 0

INTAKE

Exhaled

(In liters)

i

P

“reen

t

0.03
5.5
4.0

In food, including water of oxidation ...............
1.0

As fluids ..00 eee eee 1.5

Duration of Exposure

TOTAL eee eee 2.5

1. Duration of Occupational Exposure: The follow
ing figures have been
adopted in calculations appertaining to occupational exposur
e:

Calculations of maximum permissible levels for radioactive
isotopes in water

have been based on thetotal intake figure of 2.5 liters per day.

8 hr/day,

50 weeks/year.
2. Duration of “Lifetime” for Nonoccupational Exposu
re: A conventional

DAILY WATER OUTPUT

figure of 70 years has been adopted.

(In liters)

weat le ee,

ae lungs 2.0 eee eee.

In feces 2... cece eee eee,
Urine 2 cece cece ee.

0.5

01

Maximum Permissible Levels for Occupational Exposu
re to Certain Isotopes

0.1
1.5

rr 2.5
Torat Water ConTENT oF Boy ............., 30

Maximum Permissible
Amount in Body

2. Respiration:

Isotope
H3
C' (asCO,) (inair))
Na?4
ps2

AREA OF RESPIRATORY TRACT
(In square meters)
;

.

.

Respiratory interchange area ....................... 50
Nonrespiratory area (upper tract and
trachea to bronchioles) .......................... 20
TOTAL

ok eee ere cece eee.

RESPIRATORY EXCHANGE

Physical
Activity

At work
Notat work

40 hr/week,

Hours per
Day
8
16

Tidal Air
(liters)
1.0°
0.5

Respirations
per Minute
20
20

§35

yusi
Coe

70

AM

.
Volume per
8 Hours
(cu m)

10
5 I

—

(ac)

Maximum Perraissible Maximum Permissible
Concentration in
Concentration in
Air (24-hr day)

Y

1X 10-4
6...
15
10

5 X 190-5
1X tO®
3X 10-8
1X 10-7
3X 10-8
7X 190-9

(cum)
20

,

rX1-e@

fool.

Ker

1X 10°5

beeen

Tt

'

3X 10-8
1X 10-5

eee,

Raz26

Volume
per Day

{uc/cc)
4X 107
ff,
8 X 10-3
2X 104

a

0.18 (thyroid)
} 0.3 (body)
1

DE

Te

(afcc)

Drinking Water

U?83 (soluble)
U?44 (insoluble)

S190 + yoo
(in equilibrium)
$188
Po210

3X108

01

8X 19-12

0.04

0.4
0.008

.

2 X 10-2

8X 19-10
16X10

fd.
410-8

1.5 X 10-8

1.5 X 10+
Pn,

1.
2 X 19-10
8X 10-7
CO
0.005
Lf,

..

f

Select target paragraph3