Toluene Exceeds A.C.S. Specifications SpectroSolv (TM) size:4 LT 0 % ANGULAR ROTATION -4

0 % ANGULAR ROTATION -4 to +1 -4 to +1 REFRACTIVE INDEX @ 20[dC 1

Test Specification Min Max URANIUM 995 - 1005 ppm 995 - 1005 ppm STANDARDIZED AGAINST NIST 3164 3164 EXPIRATION DATE

25C) 400 U/mg 400 U/mg RNASE ACTIVITY 0

20% LEAD 4 mg/kg LOSS ON IGNITION 2

Toluene Exceeds A.C.S. Specifications SpectroSolv (TM) size:4 LT 0 % ANGULAR ROTATION -4Test Specification Min Max ASSAY (by GC) 99. 50% ULTRAVIOLET ABSORBANCE (1 cm cell vs. water) TO PASS TEST TO PASS TEST COLOR (APHA) 10 RESIDUE AFTER EVAPORATION 0. 00% SULFUR COMPOUNDS (as S) 0. 00% SUBSTANCES DARKENED BY (H[@2@]SO[@4@]) TO PASS TEST TO PASS TEST WATER 0. 03% RETEST DATE