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� 1• � � �� � >•I � 1• � � � t� ■■■� � i� is w� ■■I�r <br /> i <br /> Table 5. Effect of Sparging on Water Quality. <br />' Concentration %Chan e' <br /> Untreated Untreated Nitrogen Ozone <br /> Analyte Wilts Soil GW Control Nitrogen Sparge Ozone Sparge Control SDarne Sparge <br /> T= 0h T=6hr T= 0hr T=6hr T= Ohr T=6hr <br /> Aluminum µ91L 19 000 000 <20 <250 :7200 c 200 c 200 <200 <200 _ <br /> AntimonygIL <1000 <5 <5 <br /> <5 <5 <5 <5 <5 <br /> Arsenic gIL 1800 11 7 10 7 12 8 16 47 69 98 <br /> Banum g!L 160 000 1 700 1 400 1,500 1,400 470 1,400 880 7 66 37 <br /> c4 c4 <4 <br /> Be Ilium pg/L <1000 <4 <4 <4 <4 - <br /> Cadmium g1L <1000 <5 <5 <5 <5 <5 <5 <5 <br /> Calcium !L 5 200 000 120 000 110 O00 130 000 120 000 38 000 120 000 63 000 18 68 �8 <br /> c100 < 1 nm < 1 nm <1 nm 73 >7200 <br /> Chromium Hexavalent g/L <5 <5 <5 c 5 79 – -- -- <br /> Chromium Total gIL 41 000 <5 <5 <br /> Cobalt 11g/L 9,200 <5 <5 <5 <5 <5 <5 <5 – <br /> Co er gIL 33000 < 10 <10 <10 <10 <10 <10 <10 <br /> Iron gIL 19,000,000 700 680 750 720 <300 710 370 10 >»58 4$ <br /> Lead gIL 4 100 <5 <5 <5 <5 <5 <5 <5 <br /> Magnesium gIL 5 300 000 46,000 45 000 49 000 47,000 26 000 46,000 35,000 9 45 -24 <br /> Manganese gIL 250,000 1 600 1 100 780 1 000 44 1 100 300 -29 -96 73 <br /> <1 <1 <1 <br /> Mercu 9IL <200 <1 <1 <5 <5 <5 <5 66 >32 <br /> Molybdenum gIL <1 000 <5 <5 – – <br /> Nickel gIL 28,000 <5 <5 <5 <5 <5 <5 <5 <br /> Potassium hglL 2,100 000 4 800 5 000 6 300 5 500 4 500 5 300 6,400 26 -18 21 <br /> <1,D00 <5 <5 <5 <5 c5 <5 <5 -- -- <br /> Selenium gIL < <5 <5 <5 <5 – – - <br /> Silver µ91L <1 000 <5 <5 5 <br /> Sodium g!L 170 000 30,000 29,000 31,000 31 000 30 000 30 000 30 000 7 3 0 <br /> Thallium pgIL <1,000 <5 <5 <5 <5 <5 <5 <5 <br /> < <5 <5 <br /> Tun sten gIL <1 000 <5 <5 <5 <5 <5 c 5 >30 – <br /> Vanadium gIL 4 800 <br /> <5 <5 65 – _- <br /> Zinc F,OI iw- 160,000 <100 <100 <100 <100 <100 <100 <100 <br /> Alkalinty m IL CaCO3 n m 490 n m 520 n m 210 n m 270 -7-- <br /> Bromate <br /> 6O �$ <br /> Bromate mglL n m <br /> <8 nm <8 nm <8 nm 155 >1800 <br /> Bromide m IL n in 320 n m 326 n m 330 n m 117 – 1 -64 <br /> Chloride m !L n m 34 n in 33 n in 32 n in 33 – _50 2 <br /> Conductive <br /> MS n m 0 97 n m 1 02 n m 0 513 n m 0 695 – 7,200 <br /> Cr i) i b' <100 <1 nm <1 nm <1 nm 11 - – <br /> Nitrate m IL N n m <0 25 n m <0 25 n m <0 25 n m 11 ?4,300 <br /> ORP mV n m172 n m 189 n m 176 n m 410 -7 117 <br /> H nm 754 nm 777 nm 843 nm 828 0 E14sulfate rnYIL n m 13 n m 14 n m 14 n m 16TD5 rng/L n in 570 n 1 590 n m 300 n m X30 – �9 <br /> *Compared to Time 0 or to Control if time 0 measurements not made, <br /> n m =not measured <br /> I <br /> 9 Eva1 of Ozone <br /> PRIMA Environmental <br /> ENSR-Unocal 2998 <br /> January 27,2005 <br />