STANDARDS FOR INDIVIDUAL EGGS 6 
slightly stained or slightly dirty in the U. S. Extra 
Dirty and it may be stained or dirty in the U. S. 
Standard Dirty and the U. S. Trade Dirty. 
STANDARDS FOR EGGS WITH CHECKED OR CRACKED 
SHELLS 
One standard is provided for eggs with checked or 
cracked shells, namely, U. S. Check. The specifica- 
tions for eggs of this quality shall be the same as for 
clean sound-shell eggs oi the quality of U. S. Trade or 
better, except that the shell may be checked or cracked 
but not leaking, and it may be clean, stained, or dirty. 
In testim.ony whereof I have hereto set 
my hand and caused the official seal 
of the Department of Agriculture to 
be affixed in the citv of Washington, 
this loth day of February 1934. 
Secretary of Agriculture. 
EXPLANATION OF TERMS 
TERMS DESCRIPTIVE OF SHELL 
(1) Clean. — A clean shell is one which is free from 
foreign matter and from stains or discolorations. Eggs 
which show traces of processing oil on the shell are con- 
sidered clean when classified as processed or shell- 
treated eggs, unless the shell is otherwise soiled. 
(2) Sound. — A sound shell is one that is free from 
checks, cracks, or blind checks. 
(3) Normal. — A normal shell is one which approxi- 
mates the usual shape and which is of good, even tex- 
ture and strength and free from distinct ridges, rough 
areas, thin spots, or other conditions not common to 
good shells. 
(4) Slightly abnormal. — A slightly abnormal shell is 
one which may be somewhat unusual in shape or which 
may be somewhat faulty in texture or strength. It 
may also show distinct but not pronounced ridges, thin 
spots or rough areas. 
(5) Abnormal. — An abnormal shell is one v/hich may 
be decidedly misshapen or which may be decidedly 
faulty in texture or strength or which may show pro- 
nounced ridges, rough spots, or other defects. 
