[il] William F. ]opling, David G. Deaner, and Henry ]. Ongerth, “Fitness Needs
for Wastewater—Beclamation Plants,” Journal of the American Water Works
'
Association, October 1971, Vol. 63, No. 10, 626—29.
[2] ‘ George A. Sawyer, “New Trends in Wastewater,” Chemical Engineering, july
24, 1972, 120—28.
[3] K. D. Linstedt, K. ]. Miller, and E. R. Bennett, “Metropolitan Successive Use
of Available Water, and Henry ]. Greaser, “Dallas Wastewater-Reclamation
'
Studies,” both Journal of the “American Water Works Association, October
1971, Vol. 63, No. 10, 610—15 and 634—40, respectively.
[4] “AWWA Policy Statement on the Use of Reclaimed Wastewaters as a Public
Water—Supply Source,” Journal of the American Water Works Association, Oc—
tober 1971, Vol. 63, No. 10, 609.
[5] L. G. Suhr, “Some Notes on Reuse,” Journal of the American Water Works As—
sociation, October 1971, Vol. 63, No. 10, 630—323.
[6] Ibid., p”. 633.
_[7]
“Closing the Loop on Waste Waters,” Environmental Science and Technology,
-
. _
—
August 1972, Vol. 6, No. 8, 692—923.
[8]
The Economics of Clean Water: Summary of Analysis, Environmental Protection Agency (Washington, D.C.: U.S. Government Printing Ofce, 1972),
pp. 1—33.
[9]
“Industry Expenditures for Water Pollution Abatement,” The Economics of
Clean Water, Volume 3, Environmental Protection Agency (Washington,
D.C.: U.S. Government Printing Ofce, 1972), p. 2.
[10]
“Laws of the United States Belating to Water Pollution Control and Environmental Quality,” compiled by the Committee on Public Works, U.S. House of
Representatives (Washington, D.C.: U.S. Government Printing Ofce, ]uly
1970).
—
[ll] ”Conference Report on S. 2770, Amending Federal Water Pollution Control
Act,”Congressional Record (Washington, D.C.: U.S. Government Printing Of—
-
ce, September 28, 1972), Vol. 118, No. 153, H8859—903.
[12] 1bid., @. H8860. -
{131 1bid.,_gp.gnsssa
[14]
Summaryeport on the Petroleum Rening Industry,” Industrial Wastes
_
SŒdleSProgram, Environmental Protection Agency, Ofce of Water Pro—
_
_
grams,
D1V1810n
Technology, Washington, D.C., january 25, 1972.
[15]
Minerais Yearbook,196&
ï—ÎH, U.S. Bureau of Mines
nc.; U:S.GovernmentÂPnüng0fçe,1969), p. 821.
[16]
C0mPUÏatlol‘—Sf0ïethyleneand
based on the following dater An
estimated
of
and 7,290,000,000 _pounüs
ylene were
Upbeæ:
Chemiëalsj’ Chemical
@
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