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<br /> . TABLE 6 ADDITIONAL GROUNDWATER ANALYTICAL RESULTS
<br /> FORMER EXXON RS 7-3942,4444 NORTH PERSHING AVENUE,STOCKTON,CALIFORNIA
<br /> Date Sampled- 28 June 2004
<br /> Well Well Well Well Well Well Well Well
<br /> I� 1W1 MW4 MW8 MW13 V1 V3 SW1 SW2
<br /> � Metals
<br /> (Concentrations in pg/L)
<br /> Arsenic 450 123 113 100 158 200 141 151
<br /> Barium 389 847 428 307 472 1,180 515 802
<br /> Cadmium <10 <10 <10 <10 15 <10 <10 <10
<br /> Calcium 100,000 108,000 106,000 109,000 111,000 103,000 110,000 103,000
<br /> Chromium <5 0 <5 0 <5 0 140 70 450 90 <5 0
<br /> Chromium,Hexavalent <100 <10 0 <10 0 <10 0 <10 0 <100 <10 0 <10 0
<br /> Copper <10 0 <10 0 <10 0 <10 0 <10 0 380 <10 0 <100
<br /> Iron 431 2,330 4,740 7,780 5,320 29,500 5,710 1,820
<br /> Iron,Dissolved <50 0 <50 0 327 <50 0 <50 0 <50 0 <50 0 <50 0
<br /> Lead <5 0 <5 0 <5 0 <5 0 <5 0 70 <5 0 <5 0
<br />' Magnesium 43,500 51,700 44,400 48,800 56,500 57,000 51,500 53,900
<br /> Manganese 1,330 3,490 4,260 382 3,260 3,420 2,390 2,410
<br /> Potassium 2,040 2,280 1,550 4,140 2,750 5,490 2,930 2,930
<br />' Selenium <10 0 <10 0 <10 0 110 <10 0 <100 <10 0 <10 0
<br /> Sodium 42,200 43,700 44,500 70,600 39,800 39,700 40,200 3,590
<br /> escellaneous Cherrustry
<br /> IWConcentrations in mg/L)
<br /> COD <3 00 <3 00 600 <3 00 360 160 160 <3 00
<br /> Nitrate-N as N <0 300 <0 300 <0 300 408 <0 300 <0 300 <0 300 <0 300
<br /> Fluoride <0 10 <0 10 Oil <0 10 <0 30 <0 10 <0 30 <0 10
<br /> Sulfate 274 21 1 820 480 <1 00 <1 00 <1 00 <1 00
<br />' TOC 1 56 178 232 122 641 309 396 207
<br /> Solids,Total Dissolved 570 562 580 644 552 552 544 530
<br /> Chloride 636 530 586 523 401 418 369 224
<br /> Date Sampled 2 December 2004(Well V4) Date Sampled 3 December 2004 (Wells IPIA/B,IP2AB and IP3A/B)
<br />'I Well Well Well Well Well Well Well
<br /> ` V4 1PlA IP1B IP2A IP213 IP3A IP3B
<br /> Metals
<br /> (Concentrations in pg/L)
<br /> Manganese,Dissolved 2,730 3,190 2,540 4,430 2,150 4,360 3,050
<br /> COD Chemical Oxygen Demand
<br /> TOC Total Organic Carbon
<br /> µg/L Micrograms per liter
<br />' mg/L Milligrams per liter
<br /> 0
<br />' 0 1Prolects1739421PUBLICIQM Report1Q12MAddibonal Lab Results xls Page 1 of 1
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