‘ L%“. ‘
-
'
%%
Ç, Î ; {‘ à-î
%
makes domestic use of water increasingly difcult, as we have seen from the
% ÿ:,
-
experience
at the Chicago water purication plant Of even more immediate
%% Ï_
danger to human health is the biological magnicaon of persistent pollu—
i % ‘>
tants along the food chain until they even reach man’s table in meat or vege—
;
%%
‘
‘
tables. This magnicaou, perhaps more than any other factor, demonstrates
%Î Î ‘
the fallacy of man’s reliahce on the “harmless” dilution of his wastes. In fact,
%
“
many waterbome wastes Will be concentrated in living systems rather than
%
‘
dispersed—a fact of life that did not matter much back in 1885, but that is of
%Î
‘
'
vital importance in today’s industrial societies.
‘:Ê
This leads to the conclusion that a modern science of water pollution must
%*
be consistent with the characteristics of the all—pervasive water cycle in the
r 1
physical and biological world, rather than dependent on the more limited, of—
%% :
ten pragmatic, concepts developed in the early days of sanitary and water
%%
purication engineering.As we have seen, both life and industry are each day
‘
_
more dependent on water as a natural resource. As hard as we try, however,
%‘ %î %
we cannot separate the consequences of these often conicüng users, since
%%
“:
‘
the hydrological cycle links the eiÏects of all water use. The most important
% f :
“
'
:
use
of water has been to support basic life processes, and that Will continue to
%“
:
-:
be‘so despite our need to put water to other uses. To learn how we can use
[
”'
water for other purposes Without destroyîng its primary life—support function,
%
‘
”
it is necessary to look more deeply into the characteristics of water itself.
%
Those characteristics tell us much about what to expect from the pollution
% ‘ :
now contannang the world’s biosphere.
% 72
1% ‘
ll]
on the Matter of Pollution of Lake Michigan cmd Its T1‘ibutü1‘y Ba—
%% %
ËË«$
Sessrons 1—_3, linvironmentalProtection Agency (Washington, D.C.: U.S.
%%
vement Prmü11g Ofce), 9167 pages, january 81, 1968 to March 25, 1971
%
:
(aVaable
at various locations, including libraries designated as ofcial reposi—
%
:
tones of federal documents).
%
'
'
[2] Êèïû
Henküt “Problems in PPM,” Environment, May 1969, Vol. 11, No. 4,
‘
%
“
[3] R‘ T' ]ashe and W- Reaïd0n, “Low—Flow Augmentation of the Ohio and Up—
?
%
PSI:
Basm as a Means of Improved Planning for Water Resources
:
Uül}Zîüom
15th Conference on Great Lakes Research, Madison, Wisconsin,
%
Apnl :,1972.
[4]
9f the Ohio
Biver Valley Water Sanitation
::
% %:
,
mcmnat1, 01110 45202, 1971, 36 pages.
%
,
,
% :
[5l
Kà ÊàiThistelthwae,
Diéposal of Sawage
% : :
Publishers,
405 pägæ.
:
011
tion (Ann Arbor: Ann Arbor Smence
% %
*
%
28
Assault on (: Lake
:
…
_
-
'
%%
Ç, Î ; {‘ à-î
%
makes domestic use of water increasingly difcult, as we have seen from the
% ÿ:,
-
experience
at the Chicago water purication plant Of even more immediate
%% Ï_
danger to human health is the biological magnicaon of persistent pollu—
i % ‘>
tants along the food chain until they even reach man’s table in meat or vege—
;
%%
‘
‘
tables. This magnicaou, perhaps more than any other factor, demonstrates
%Î Î ‘
the fallacy of man’s reliahce on the “harmless” dilution of his wastes. In fact,
%
“
many waterbome wastes Will be concentrated in living systems rather than
%
‘
dispersed—a fact of life that did not matter much back in 1885, but that is of
%Î
‘
'
vital importance in today’s industrial societies.
‘:Ê
This leads to the conclusion that a modern science of water pollution must
%*
be consistent with the characteristics of the all—pervasive water cycle in the
r 1
physical and biological world, rather than dependent on the more limited, of—
%% :
ten pragmatic, concepts developed in the early days of sanitary and water
%%
purication engineering.As we have seen, both life and industry are each day
‘
_
more dependent on water as a natural resource. As hard as we try, however,
%‘ %î %
we cannot separate the consequences of these often conicüng users, since
%%
“:
‘
the hydrological cycle links the eiÏects of all water use. The most important
% f :
“
'
:
use
of water has been to support basic life processes, and that Will continue to
%“
:
-:
be‘so despite our need to put water to other uses. To learn how we can use
[
”'
water for other purposes Without destroyîng its primary life—support function,
%
‘
”
it is necessary to look more deeply into the characteristics of water itself.
%
Those characteristics tell us much about what to expect from the pollution
% ‘ :
now contannang the world’s biosphere.
% 72
1% ‘
ll]
on the Matter of Pollution of Lake Michigan cmd Its T1‘ibutü1‘y Ba—
%% %
ËË«$
Sessrons 1—_3, linvironmentalProtection Agency (Washington, D.C.: U.S.
%%
vement Prmü11g Ofce), 9167 pages, january 81, 1968 to March 25, 1971
%
:
(aVaable
at various locations, including libraries designated as ofcial reposi—
%
:
tones of federal documents).
%
'
'
[2] Êèïû
Henküt “Problems in PPM,” Environment, May 1969, Vol. 11, No. 4,
‘
%
“
[3] R‘ T' ]ashe and W- Reaïd0n, “Low—Flow Augmentation of the Ohio and Up—
?
%
PSI:
Basm as a Means of Improved Planning for Water Resources
:
Uül}Zîüom
15th Conference on Great Lakes Research, Madison, Wisconsin,
%
Apnl :,1972.
[4]
9f the Ohio
Biver Valley Water Sanitation
::
% %:
,
mcmnat1, 01110 45202, 1971, 36 pages.
%
,
,
% :
[5l
Kà ÊàiThistelthwae,
Diéposal of Sawage
% : :
Publishers,
405 pägæ.
:
011
tion (Ann Arbor: Ann Arbor Smence
% %
*
%
28
Assault on (: Lake
:
…
_