Sodium Carbonate 0.1 Percent (w/v) Solution size:500 ML 50% IDENTIFICATION TO PASS TEST

50% IDENTIFICATION TO PASS TEST TO PASS TEST DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST TO PASS TEST

25% LEAD (Pb) 10 ppm HEAVY METALS 0

00% SPECIFIC GRAVITY (20/20) 0

water) TO PASS TEST TO PASS TEST APPEARANCE TO PASS TEST TO PASS TEST SOLUBILITY (in H[@2@]0) TO PASS TEST TO PASS TEST COLOR (APHA) 10 RESIDUE AFTER EVAPORATION 5 ppm TITRABLE ACID 0

GC-ECD(AS HEPTACHLOR EPOXIDE) 5 ppt FLUORESCENCE BACKGROUND[n(as QUININE SULFATE) TO PASS TEST TO PASS TEST RESIDUE AFTER EVAPORATION 1 ppm SULFUR COMPOUNDS (as S) 0

Sodium Carbonate 0.1 Percent (w/v) Solution size:500 ML 50% IDENTIFICATION TO PASS TESTTest Specification Min Max ASSAY 0. 1 % + 0. 003 0. 1 % + 0. 003 TRACEABLE TO NIST EXPIRATION DATE