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Week Laboratories, Inc. <br /> Analytical Laboratory Services-Since .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 %R$CRPD <br /> Analvte Result Result Qualifier Units Level %REC Limns RPD Limit <br /> Batch W8D0222-General Preparation <br /> Blank(W8D0222-BLKl) Prepared&Analyzed:04/07/08 <br /> Total Dissolved Solids............................ ND mg/1 <br /> LCS(W8D0222-BS1) Prepared&AnalYzed_04/07/08 -- <br /> Total Dissolved Solids............................ 808 mg/1 824 98 95-105 <br /> Duplicate(N0'8D0222_1jUP1) _ _ Source:8040338-01 _ Prepared&Analyzed:04/07/08 <br /> Total Dissolved Solids............................1550 1560 tngn 0.6 10 <br /> Batch W8D0243-General Preparation <br /> Blank(W8D0243-BLK1Z_ Prepared:04/07/08 Analyzed:04/08/08 <br /> Alkalinity as CaCO3............................... 0.220 1 men <br /> Carbonate Alkalinity as CaCO3............. ND m8/I <br /> Bicarbonate Alkalinity as HCO3............ 0.270 1 Mg/1 <br /> Hydroxide Alkalinity as CaCO3............. ND mg/I <br /> LCSfWSM0243-BS1) Prepared:04/07/08 Anajzed:94/OS/OS <br /> Alkalinity as CaCO3............................... 44.2 mg/l 45.3 98 94-108 <br /> Carbonate Alkalinity as CaCO3............. ND mg/l 0.00 0-200 <br /> Bicarbonate Alkalinity as HCO3............ 53.9 -94 55.3 98 94-108 <br /> Hydroxide Alkalinity as CaCO3............. ND mg/1 0.00 0-200 <br /> Du lkate V8D0243-DUPI Source:8040228-05 Pre ared:04/07/08 Anal zed:04/08/08 <br /> --P -�,----- Z----------- -- ------ p - —Y- --- <br /> Alkalinity as CaCC3..............................213 202 men 5 15 <br /> Carbonate Alkalinity as CaCO3.............0.00 ND mg/I 200 <br /> Bicarbonate Alkalinity as HCO3............60 247 mgn 5 15 <br /> Hydroxide Alkalinity as CaCO3............9.00 ND mg/1 200 <br /> Week Laboratories,Inc <br /> Metals(Aqueous)by EPA 6000/7000 Series Methods-Quality Control <br /> Sample QC Spike %REC RPD <br /> Analyte Result Result Qualifier Units Level %REC Litmts RPD Limit <br /> Batch W8D0116-EPA 3005A <br /> Blank(W8D0116-BLKI) Prepared:04/03/08 AnM d,04/10/08 <br /> Sodium,Dissolved......................... ND tng/t <br /> Calcium,Dissolved....-........................... 0.00951 1 m8/I <br /> Potassium,Dissolved...................0...0.0.... ND mg/I <br /> Magnesium,Dissolved........................... ND mgA <br /> Lab#:8040302 Page 3 of 7 <br /> 14859 East Clark Avenue,City of Industry,California 91745-1396 (626)336-2139 FAX (626)336-2634 �� <br /> www.wecklabs.com <br />