48 BULLETIN 314, 17. S. DEPARTMENT OF AGRICULTURE. 



Examined for — Continued. 



Remarks. 



Date received , Date reported 



Analyst. 



REPORT BLANKS. 



Form 10!-B. 



United States Department of Agriculture, 



office of public roads and rural engineering, 



Washington, D. C. 



Sample No 



Report on 



Identification mark 



Known as 



Submitted by 



Examined for 



R emarks 



Form 109-B. 



United States Department of Agriculture, 



office of public roads and rural engineering, 



Washington, D. C. 



Date 



Sample No 



Report on 



Identification mark 



Known as. 



Submitted by 



Examined for 



General characteristics 



Specific gravity 25°/25°C 



Melting point °C ." 



Flash point °C 



Burning point °C 



Viscosity Engler at °C e. c. specific 



fFloattest "C.time ; "C.time 



C onsistencv-i _, ,. _,„„,__ 



IPenetration 25 °C, IOC gms., 5 seconds 



Doss at 163 °C, 5 hours 



Character of residue 



_ •. ' „ fFloattest "C.time ; .'.' "C.time : 



Consistency of residue-!^ , ,. „. „_ ,„. _ , 



(.Penetration 25 °C, 100 gms., o seconds 



Bitumen soluble in CS2 (total bitumen) 



Organic matter insoluble .». 



Inorganic matter insoluble. 



Percent of total bitumen insoluble in 86° B. naphtha 



Per cent of total bitumen insoluble in CCLi 



Per cent fixed carbon 



Distillation — 



Character. % by vol. %bywt. 



Water 



First light oils .. ( -110"C.) : 



Second light oils (110°-170°C.) 



Heavyoils (170°-270°C.) 



Heavyoils (270°-300°C.) 



Pitch 



Remarks 



o 



