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Week Laboratories., I . <br /> Anal;tleal l abOratOry SerWeea-StMe 1964 <br /> Certificate of Analysis <br /> Week Laboratories,Inc <br /> Conventional Chemistry/Physical Parameters by APHA/EPA/ASTM Methods-Quality Control <br /> Sample QC Spike o,R RPD <br /> Analyte Result Result Qualifier Units Level %RFC Limits RPD Limit <br /> Batch W8110035-General Preparation <br /> Blank(WHH0035-BLK1) Prepared:08/01/08 Analyzed:08/02/08 <br /> Total Dissolved Solids............................ ND mg/1 <br /> LCS(W8H0035-BSI) _ Prepared:08/01/08 Analyzed:08/02/08 <br /> Total Dissolved Solids............................ 809 mg/1 824 98 91-104 <br /> Duplicate(WSH0035-DUPI) Source:8080101-02 Prepared:08/01/08 Analyzed:08/02/08 <br /> Total Dissolved Solids............................197 207 mgn 5 5 <br /> Batch W8H0268-General Preparation <br /> Blank(W8H0268-BLKI) Prepared&Analyzed:08/07/08 <br /> Alkalinity as CaCO3............................... 0.240 1 mg/1 <br /> Carbonate Alkalinity as CaCO3............. ND mg/l <br /> Bicarbonate Alkalinity as HCO3...:........ 0.290 1 mg/l <br /> Hydroxide Alkalinity as CaCO3............. ND mg/1 <br /> LC�8H0268-BSS__ Prepared&Analyzed:08/07/08 <br /> Alkalinity as CaCO3............................... 45.7 mg/l 45.3 101 94-108 <br /> Carbonate Alkalinity as CaCO3............. ND mg/l 0.00 0-200 <br /> Bicarbonate Alkalinity as HCO3............ 55.8 mg/1 55.3 101 94-108 <br /> Hydroxide Alkalinity as CaCO3............. ND mg/l 0.00 0-200 <br /> Duplicate(FV8H0268-DUPl) Source:8073111-01 Prepared&Analyzed:08/07/08 <br /> Alkalinity as CaCO3...............................123 123 mg/1 0 is <br /> Carbonate Alkalinity as CaCO3.............0.00 ND mg/l 200 <br /> Bicarbonate Alkalinity as HCO3............150 150 mg/l 0 15 <br /> Hydroxide Alkalinity as CaCO3............9.00 ND mg/l 200 <br /> Week Laboratories,Inc <br /> Metals(Aqueous)by EPA 6000/7000 Series Methods-Quality Control <br /> Sample QC Spike o RPD <br /> Analvte Result Result Qualifier Units Levelo /DREG <br /> /RF Limits RPD Limit <br /> Batch W8110036-EPA 3005A <br /> Blank(W8H0036-BLKI) _ Prepared:08/01/08 Analyzed:08/08/08 <br /> Sodium,Dissolved.................................. ND mg/l <br /> Calcium,Dissolved................................. 0.00943 1 mg/l <br /> Potassium,Dissolved.............................. ND mgn <br /> Magnesium,Dissolved........................... ND mg/l <br /> Lab#:8080101 Page 3 of 5 A <br /> 14859 East Clark Avenue,City of Industry,California 91745-1396 (626)336-2139 FAX (626)336-2634 3 <br /> www.wecklabs.com <br />