Toluene Exceeds A.C.S. Specifications UniSolv(R) Bipyridyls 01% AMMONIA (NH[@3@]) 0

01% AMMONIA (NH[@3@]) 0

Test Specification Min Max VISUAL TRANSITION INTERVALS pH 5

Test Specification Min Max ASSAY 99% APPEARANCE IDENTIFICATION (FTIR) TO PASS TEST TO PASS TEST DATE OF MANUFACTURE

% CARBONATE 0

Test Specification Min Max ASSAY (Cl[@2@]CHCO[@2@]H) 99%

Toluene Exceeds A.C.S. Specifications UniSolv(R) Bipyridyls 01% AMMONIA (NH[@3@]) 0Test Specification Min Max ASSAY (by GC) 99. 80% COLOR (APHA) 10 ULTRAVIOLET ABSORBANCE (1 cm cell vs. water) TO PASS TEST TO PASS TEST RESIDUE AFTER EVAPORATION 1 ppm SULFUR COMPOUNDS (as S) 0. 00% SUBSTANCES DARKENED BY (H[@2@]SO[@4@]) TO PASS TEST TO PASS TEST FLUORESCENCE BACKGROUND[n(as QUININE SULFATE) 1 ppb HALOGENATED RES. GC ECD(AS HEPTACHLOR EPOXIDE) 5 ppt WATER 0. 02% RETEST DATE