102 MISC. PUB. 190, U.S. DEPT. OF AGRICULTURE 
U.S. Commercial shall consist of onions of similar 
varietal characteristics which are mature, not soft or 
spongy, not badly misshapen, free from  sunscald, 
doubles, splits, bottle necks, scallions, and from dam- 
age caused by seed stems, tops, roots, sunburn, sprout- 
ing, freezing, dirt, foreign matter, disease, insects, or 
mechanical or other means. Unless otherwise speci- 
jied, the minimum size shall be 144 inches in diameter. 
In order to ailow for variations other than size, 
incident to proper grading and handling, not more 
than 5 percent, by weight, of the onions in any con- 
tainer * may be below the requirements of this grade 
but not more than two fifths of this tolerance or 2 
percent, may be allowed for onions which are affected 
by decay. In addition, not more than 5 percent, by 
weight, may be below the size specified. 
U.S. No. 1 Boilers shall consist of onions which 
meet all requirements for U.S. No. 1 grade except for 
size. Unless otherwise specified, the size of onions of 
this grade shall be not less than 1 inch nor more than 
156 inches in diameter. 
In order to allow for variations other than size, 
incident to proper grading and handling, not more 
than 5 percent, by weight, of the onions in any con- 
tainer * may be below the requirements of this grade 
but not more than two fifths of this tolerance or 2 per- 
cent, may be allowed for onions which are affected by 
decay. In addition, not more than 5 percent, by 
weight, may be below the minimum size, and not more 
than 15 percent may be above the maximum size 
specified for this grade. 
U.S. No. i Pickiers shall consist of onions which 
meet all requirements for U.S. No. 1 grade except for 
size. Unless otherwise specified, the maximum size of 
onions of this grade shall be not more than one inch 
in diameter. 
In order to allow for variations other than size, 
incident to proper grading and handling, not more 
than 5 percent, by weight, of the onions in any Con- 
tainer * may be below the requirements of this grade 
but not more than two fifths of this tolerance or 2 
percent, may be allowed for onions which are affected 
by decay. In addition, not more than 15 percent, by 
weight, may be above the maximum size specified for 
this grade. 
45 See footnote 44. 
