84 BULLETIN 919, U. S. DEPARTMENT OF AGRICULTURE. 
(Name and location of laboratory.) 
Report ox Sample of Gravel or Sand. 
Laboratory No 
(Date reported.) 
, 192... 
Name 
Identification marks 
Submitted by Title 
Sampled , 192 . . . Received . 
Sampled from 
Quantity represented 
Source of material 
Location used or to be used 
Examined for 
Address. 
19: 
TEST RESULTS. 
Sand. 
Mechanical analysis. 
&RA.VEI.. 
Mechanical analysis. 
Fraction. Per cent. 
Fraction . 
Per cent. 
Retained 3-inch screen 
Passing ^-inch retained 10 niesh 
Passing 3-inch retained 2 J inch 
Passing 10 mesh retained 20 mesh 
Passing 2^-ineh retained 2 inch 
Passing 20 mesh retain ed 30 mesh 
Passing 2-inch retained H inch 
Passing 30 mesh retained 40 mesh 
Passing L]-inch retained 1 inch ... . 
Passing -10 mesh retained 50 mesh 
Passing 1-inch retained J inch 
Passing 50 mesh retained 60 mesh 
Passing |-inch retained h inch 
Passing 60 mesh retained 80 mesh 
Parsing Mnch retained £ inch 
Passing SO mesh retained 100 mesh 
Passing ^-inch screen 
Passing 1 00 mesh retained 200 mesh ! 
Total 
Passing 200 mesh 
Total 
Silt in sand 
Tensile strength (cement-sand 
Sample sand. Standard Ottawa sand. 
briquette';, 1:3). 
3-day. 7-day. 2S-day. 3-day. 
7-day. 
28-day. 
1 
1 
o 
3 
4 
Average 
] 
i 
Remarks: 
Respectfully submitted 
(Title). 
