CERTIFICATE OF ANALYSIS Poly Aluminium Chloride (PAC-5) Drinkable Water Grade Production Date: Feb 22nd, 2018 Sampling Date: Feb 22nd, 2018 Lot No.: 20180222 Shelf Life: 24 months Standard: GB15892-2009 Quantity: 80mt Item Index Test Result Single conclusion Appearance White to yellow powders Yellow powders qualified Al2O3, % min 30 30.5 qualified Basicity, % 40.0-90.0 80 qualified PH value(1% water solution) 3.5-5.0 3.9 qualified Water insoluble %max 0.6 0.01 qualified As, % max 0.0002 0.0001 qualified Pb, % max 0.001 0.00076 qualified Cd, % max 0.0002 0.0001 qualified Hg, % max 0.00001 0.00001 qualified Cr6+, % max 0.0005 0.0002 qualified Remarks Final Conclusion Qualified