136 MISC. PUB. 190, U.S. DEPT. OF AGRICULTURE 
fying a Size classification, it is understood that the 
potatoes meet the minimum size specified in the 
grade but that no definite percentage of the potatoes 
is required to be larger than this minimum size. 
When potatoes meet the requirements of either 
size A or size B as described below, the size classifi- 
cation may be specified in connection with the grade 
name as “U.S. No. 1, size A”, “U.S. No. 1; size B”, 
“U.S. Commercial, size A’, “U.S. Commercial, size 
B”, “US: No. 2, size-A”’, or “USo Noo 2 sve-E 
in accordance with the facts. When size A or size 
B is used in connection with the grade it is not per- 
missible to specify any other sizes than those speci- 
fied under these designations, 
Size A.—For long varieties such as Burbank, Rus- 
set Burbank, Early Ohio, Pride of Wisconsin, and 
other similar varieties, the minimum size shall be 
not less than 1% inches and not less than 40 percent 
of the potatoes in the lot shall be 6 ounces or larger 
in weight. 
For round and intermediate shaped varieties such 
as Irish Cobbler, Bliss Triumph, Green Mountain, and 
other similar varieties, the minimum size shall be not 
less than 1% inches and not less than 60 percent of 
the potatoes in the lot shall be 244 inches or larger in 
diameter. 
Size B—For all varieties the size shall be from 
1% inches to not more than 2 inches in diameter. 
Other sizes—When either of the above size designa- 
tions is not used in connection with the grade state- 
ment it is permissible to specify any other minimum 
size such as “114% inches minimum ”, “2 inches mini- 
mum”; or both a minimum and a maximum size as 
“1% inches to 3 inches’, “6 to 10 ounces”; or to 
specify a certain percentage Over a certain size as “ 25 
percent or more, 214 inches and larger ’”’, “50 percent 
or more, 6 ounces and larger.” 
TOLERANCE FOR SIZE 
In order to allow for variations incident to proper 
sizing, not more than 5 percent of the potatoes in any 
container may be below any specified minimum size 
except that, in order to meet the requirements of size 
A classification or U.S. Fancy grade any lot of pota- 
toes Shall have not more than 38 percent below the 
minimum size specified. In addition, not More than 
15 percent may be above any specified maximum size, 
