20—Lancaster Farming, Saturday, July 29.1967
New Method Of
Measuring Air
Pollution Noted
Radiation from the sky may
provide a means for measuring
air pollution in smogbound
cities.
Jack Conaway, a University
of California graduate student
working with ARS physicist
C.H.M. van Ravel at the U. S.
Water Conservation Laboratory,
Phoenix, Ariz., invented this
novel monitoring technique
STOP SUCKERS COLD
with MH- 30
LANCASTER
Farmers Supplj Co.
215 E. Fulton St.
Landis Bros.
Jlanheim Pike
Organic Plant Food
Grofftown Road
BAREVILLE
Martin’s Hardware
BLUE BALL
J. B. Zimmerman
DENVER
Gehman’s Feed Mill
ELM
Bomberger’s Store
EPHRATA
Martin’s Feed Mill
Hollinger’s Farm Market, LJTITZ
Inc. Eby’s Mill, Inc.
P. L. ROHRER & BRO.
SMOKETOWN, PA.
the periods covering his expert* provide an instantaneous check
uihii* mnJnMino ments. He found that the varla- of pollution over a large area. If
wf/iJ tions in ozone content and the ozone does affect radiation, as
wiin sou rempeiature. variations in his radiation fig- Conaway theorizes, and if the
Conaway was using an infrar- ures were strikingly similar, effect can be measured by a
ed radiothermometer to mea- Ozone, one of the chief air pol- radiothermometer, po 11 u t ion
sure the amount of sky radia- lutants in many heavily populat- measurement would be faster
tion reflected from the soil sur- ed areas, is formed by the ac- and more effective.
face when he found that the sky tion of sunlight on exhaust Conaway and van Bavel em
radiation measurements chang- fumes. phasize that at this point their
ed drastically from hour to Present methods of measur- conclusions are based on scant
f ld not S * eem ing pollution require taking d »ta.
humid ity 'any oS? readily ? am P les u of t . he „ air^ d a . nalyz ; Besides pollution monitoring,
dSernibie faS * ing 11 ch ? mically : The SlZ * van Bavel suggests one ~ other
aisceimoie zacior. the ai^ ea that can be sampled at possible consequence *of the
On a hunch. Conaway went one time is therefore limited, ozone-radiation relationship:
to the air pollution branch of An infrared beam of the right Weather satellites circling the
the local county health service wavelength, directed at a nearly earth record surface tempera
and looked up the records ofhorizontal slant through the air ture with an instrument similar
AVAILABLE AT THE FOLLOWING DEALERS
FARMERSVILLE
Farmersville Equip. Co.
GAP
GORDONVILLE
Gideon L. Fisher
John J. Hoober
HONEY BROOK
M. D. Kern Hardware
INTERCOURSE
Plant Food Store
KIRKWOOD
Kirkwood Feed & Grain
LEOLA
Roy A. Stoltzfus
DISTRIBUTED BY
•zone content in the air during above the earth’s surface, could
J. C. Walker & Sons
MORGANTOWN
Ira Nissley
NEW HOLLAND
Kauffman’s Hardware
Earl Sander, Inc.
PARADISE
John J. Hess II
QUAERYVILLE
Lancaster Bone Fertilizer
M. B. Gregg, R#3
STRASBURG
J. B. Zimmerman & Son
Weaver’s Farm Equip.
WEST WILLOW
West Willow Farmers
Assoc.
WHITE HORSE
E. D. Kurtz
LEBANON
Lebanon Chemical Co.
PK. 397-3539
to the one used by Conaway. If
ozone at the earth's surface a£*
fects earth-based measure*
ments, it may also affect mea
surements made from space
when satellites pass over pollut
ed population centers.
Just Arrived!
Truck Load of
MH-30-
Available in one and
five gallon cans and
30 gallon drums
® - MH-30 is the U.S. Rubber reg. trade
mark for its growth regulant. U S. Rub
ber Co., Chemical Division, Naugatuck,
Conn. 06771 • - .
mmrueua