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PRECISION <br /> • � ENVIRO-TECH <br /> Analytical Laboratory CERTIFICATE OF ANALYSIS <br /> Thursday,January 20,2005 <br /> Attention: Abby Racco <br /> Neil O.Anderson &Associate Report Page 4 of12 <br /> 902 Industrial Way <br /> Lodi, CA 95240 <br /> Conventional Chemistry Parameters by APHA/EPA Methods <br /> Sample Information <br /> Sample LD: NOAMW4010605A B,C,D,E Sample.Type: Grab <br /> Laboratory LD: 5010613-01 Project Name: Chinchiolo-Sterni It <br /> DateMme Sampled., 05-Jan-05 00:00 by Abby Racco Sample Matrix: Ground Water-Non Potable <br /> Test Parameter ResuL DLR Unit Dilution Batch Prepared Analysis Date Method Notes <br /> Total Alkalinity 480 1.00 mg/L 1 AA51211 06-Jan-05 06-Jan-05 EPA 310.1 _ <br /> Hydroxide Alkalinity R-00-1 00 mglL 1 AA51211 66Jan-05 O6-Jan-0S EPA 310.1 <br /> Bicarbonate Alkalinity _ 586_ 1.00 mg/L 1 AA51211 06-Jan-05 06-Jan-05 EPA 310.1 <br /> Carbonate Alkalinity 0.00 1.00 mg/L 1 AA51211 05-Jan-OS O6•Jan-05 EPA 310.1 <br /> Ammonia as N ND 0.2 mg/L 1 AA51406 14-Jan-05 14-Jan-05 EPA 350.3 <br /> Boron _ 912 _ 100 ug/l t AA5200_4 20-Jan-05i 20Jan-05 EPA 200.7 <br /> Calcium 110 1.0 mg/L 1 AA51018 11-Jan-05 12Jan-05 EPA 200.7 <br /> Chloride 45.7 1.00 mg/L 1 AA50808 Ofi-Jan-0S _O6Jan-05 EPA 300.0 <br /> Specific Conductance(EC) _ 1200 1.00 um_hos/cm t AA51210 06-Jan-05 O6-Jan-05 EPA 120.1 <br /> Fluoride ND 1.00 mg/L 1 AA50608 06-Jan-05 06-Jan-05 EPA 300.0 <br /> Potassium _ 4.9 1.0 mg/L 1 AA51018 11-Jan-05 12-Jan-05 EPA 200.7 <br /> Magnesium _ 61 1.0 mg/L 1 AA51018 11-Jan-05 12-Jan-05 EPA 200.7 _ <br /> Sodium 52 1.0 mg/L 1 AA51018 11-Jan-05 12-Jan-05 EPA 200.7 <br /> Nitrate WNW 89.4 1.00 mg/L 1 AA50608 06-Jan-05 06-Jan-05 EPA 300.0 <br /> Nitrate as N 20.2 0.200 mg/L 1 AA50608 06-Jan-05 06-Jan-65 EPA 300.0 <br /> Nitrite as NO2 ND 0.500 mglL 1 AA50608 06-Jan-05 06-Jan-05 EPA 300.0 <br /> Nitrite as N ND 0.200 mg/L 1 AA50608 06-Jan-05 06-Jan-05 EPA 300.0 <br /> pH 7.2 pH Units 1 AA51210 06-Jan-05 06-Jan-05 EPA 150.1 <br /> Total Dissolved Solids 920 1.00 mg/L 1 AA50709 07-Jan-05 07-Jan-05 EPA 160.1 <br /> _Total Nitrogen _ 22.0 0.600 mg/L _ 1 [CALL] 10Jan-05 12-Jan-05 Calc. <br /> Total Anions 13.7 _ 0.226 mg/L _1 [CALL] 10-Jan-05 06Jan-05 Cala <br /> Total Cations 13 0.20 mg/L 1 [CALL] 10-Jart-05 12-Jan-05 _ Calc. <br /> Total Hardness as(CaCO3) 530 6.6 mg/L 1 <br /> [CALL] 10-Jan-05 12-Jan-05 Calc. <br /> Sulfate as SO4 66.0 1.00 mg/L 1 AA50608 06-Jan-05 06-Jan-05 EPA 300.0 <br /> Total Kjeldahl Nitrogen 1.85 0.200 mg/L 1_ AA51001 .10-Jan-05 12-Jan-05 EPA 351.2, <br /> MEQ.=miffigrgmsper Dtar-ppm DLR-Nuamn LimitforParpoae ofReporrmg. <br /> ug/L=microgramsper Laar=ppb E=epnono!sampte matrices or tnterfermea may <br /> r ft m higher detection fimia. <br /> RESPECTFULLY SUBMITTED, <br /> Jonathan Le,Laboratory Director <br /> 7743 N. West Lane. Suite B2 Stockton CA. 95210 phone: (209) 477-8105 Fax: (209) 477-8148 <br />