10 MISC. PUB. 190, U.S. DEPT. OF AGRICULTURE 
(6) Sunburn or spray burn which seriously de 
tracts from the appearance of the fruit. 
(c) Limb rubs which affect more than one tenth of 
the surface in the aggregate. 
(d@) Hail marks, drought spots or scars, if they 
materially deform or disfigure the fruit, or if such 
defects affect more than one tenth of the surface in 
the aggregate, provided that no hail marks which 
are unhealed shall be permitted and not more than 
an aggregate area of one half inch shall be allowed 
for well-healed hail marks where the skin has been 
broken, 
(e) Visible water core which affectS an area of 
more than one half inch in diameter. 
(7) Disease. 
Scab spots which are not corked over or corked- 
over scab spots which affect a total area of more 
than three fourths inch in diameter. 
Cedar-rust infection which exceeds in the aggre- 
gate an area of three fourths inch in diameter. 
Sooty bloteh or fly speck which affects more than 
one third of the surface. 
(g) Insects. 
More than five healed insect stings. 
Worm holies. 
TOLERANCES FOR PRHCEDING GRADES 
In order to allow for variations incident to proper 
grading and handling, not more than a total of 10 
percent of the apples in any container may be below 
the requirements of the grade, provided that not more 
than 5 percent shall be seriously damaged by insects 
and not more than one fifth of this amount, or 1 
percent, shall be ailowed for decay or internal break- 
down. 
When applying the foregoing tolerances to the com- — 
bination grades no part of any tolerance shall be used 
te reduce the percentage of apples of the higher 
grade required in the combination. 
The tolerances specified for the various grades are 
placed on a container basis. However, any lot of 
apples shall be considered as meeting the require- 
ments of a specified grade if the entire lot averages 
within the tolerances specified, provided that no sam- 
ple from the containers in any lot is found to exceed 
the following amounts: 
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