120 MISC. PUB. 190, U.S. DEPT. OF AGRICULTURE 
Other limb rubs which affect an area of more than 
one tenth of the surface in the aggregate. 
(c¢) Hail marks, drought spots. blister mite, or 
canker-worm injury or other similar depressions or 
scars if such defects affect an area of more than three 
fourths inch in diameter in the aggregate or if they 
materially deform or disfigure the fruit. 
(d@) Sunburn or spray burn which is blistered or 
cracked or where the appearance is severely affected. 
(e) Disease. 
Scab spots which are black and which affect an 
area of more than one half inch in diameter in the 
aggregate, except that scab spots of a russet character 
shall be considered under the definition of russeting 
(fa). 
(f) Inseet injury. 
More than three healed codling moth stings. 
TOLERANCES FOR PRECEDING GRADES 
In order to allow for variations incident to proper 
grading and handling, not more than a total of 10 
percent of the pears 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 two fifths of this amount or 2 
percent shall be allowed for decay or internal break- 
down. 
When applying the foregoing tolerances to the 
combination grade no part of any tolerance shall be 
used to reduce the percentage of U.S. No. 1 pears 
required in the combination. 
The tolerances specified for the various grades are 
placed on a container basis. However, any lot of 
pears shall be considered as meeting the requirements 
of a specified grade, if the entire lot averages within 
the tolerances specified, provided that no sample from 
the containers in any lot is found to exceed the 
following amounts: 
For a specified tolerance of 10 percent, not more 
than one and one half times the tolerance shall be 
allowed in any one package. 
For specified tolerances of 5 percent or less, not 
more than double the tolerance shall be allowed in 
any one package. 
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