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Table 2.3. Baseline Groundwater Sampling Plan - Final (1/4/08) <br />Centennial-Indian Springs -Powertech Uranium Corporation <br />R Squared, Inc. <br />-. <br /> <br /> <br /> <br />nal <br />tk <br />l P Sr i- num <br />C on to doi?nt <br />Itri r Limit ,C 1. 1 1 niiietl Sur her of <br />I,%BQC tiq n,plea 161 },yl,m:nc I N nc?r of EEEI D Ot <br />Su u,plrs <br />Ili" 6n I 1 <br /> <br /> <br />/ <br />„" <br />1 i <br />rrl <br />' C <br /> <br /> <br />n rc. <br />4up fo Hultl I <br />. <br />s <br />s <br />nrnmttcr <br /> <br />i-I <br /> <br />hrl ,6n,g 5A ?tcr Am1 nut %I ihrA(d) <br /> <br />-. unles. othrrs+icx pwli"t <br />- f$ <br />- <br /> <br />'bti <br />11tiD ur <br />Dt,"P <br /> <br />field flop <br />1 np <br />Hloid; <br />F I I <br />Hln ik <br />Ctinsi,lc <br />H4,uAic) in <br />fWJd' P rwin-etin <br />- <br />- 'NI <br />mmu <br />i <br />m <br />C"„himei,lj arum eolleit <br />Dissolved Metals m /L e <br />Aluminum none .05 to 1 EM&WE200.8 0.1 <br />Antimony, low level 0.006 E200.8 0.001 <br />Arsenic 0.01 E200.8 0.001 <br />Barium 2 E200.7/E200.8 0.1 <br />Beryllium 0.004 E200.7/E200.8 0.001 <br />Boron 0.75 E200.7 0.1 <br />Cadmium 0.005 E200.7/E200.8 0.001 <br />Calcium none E200.7 1 <br />Chromium 0.1 E200.8 0.01 <br />Cobslt not listed <br />Copper 1.3 1 E200.7/E200.8 0.01 <br />Iron 0.3 0.3 E200.7 0.03 <br />Lead 0.015 E200.8 0.01 Filter (0.45 <br />t-1 gallon poly <br />Uthn m not listed l per 20 samples 1 per 20 NA 0 1 per 20 Yes micron) then with RAD 6 months <br /> <br />Magnesium <br />not listed <br />E200.7 <br />t samples samples add HNOs to <br />H ? 2 anal <br />ytes <br />Manganese 0.05 E200.7/E200.8 0.01 p <br />Mercury 0.002 E200.8 0.00025 <br />Molybdenum not listed E200.8 0.01 <br />Nickel 0.1 E200.71EMM 0.010 <br />Potassium not listed E200.7 1 <br />Selenium 0.05 E200.8 0.001 <br />Silver not listed 0.1 E200.7/E200.8 0.05 <br />Sodium not listed E200.7 I <br />Strontium not listed <br />Thallium 0.002 E200.8 0.001 <br />Vanadium not listed E200. 7/E200.8 0.1 <br />Zinc 5 5 E200.71E200.8 0.01 <br />Radiological Ci/L <br />Gross Alpha 15 E900.0 I Ci/L <br />Gross Beta 4 millirems/yr E900.0 2 pCi/I, 1-1 gallon poly <br /> <br />Radon 222 <br />SM-7500-RN B <br />I per 20 samples 1 per 20 <br />l <br />NA <br />0 1 per 20 <br />Yes pH < 2 with <br />with dissolved <br />6 months <br />Radium 226 226Ra+228Ra=5 E9010 0.2 Ci/L samp <br />es samples HNOs metals <br />Uranium 0.03 E200.8 0.0003 mg/L - 0.2 pCi/L <br />Organics <br />BTEX not listed <br />TOC not listed <br /> <br />Non-metals m /L <br /> <br /> <br /> <br />rtho phosphate, dissolved <br /> <br /> <br />ot listed <br /> <br /> <br />365.1 <br /> <br /> <br />.01 <br />I per 20 samples <br />I per 20 <br />samples <br />NA <br />0 <br />1 per 20 <br />samples <br />Yes Filter (0.45 <br />micron) then <br />add H2SO4 to <br />pH <2 <br />l -250 ml poly <br />28 days (preserved) <br />Nitrate (as N), dissolved 10 (total) E353.2 0.05 28 days <br /> <br />Nitrite (as M ' <br />I <br />I <br />er 20 sam <br />les <br />I per 20 <br />NA <br />0 <br />1 per 20 <br />Y Filter (0.45 <br />i <br />h <br />1 <br />25 <br />l <br /> <br /> <br />Total dissolved solids (TDS) <br /> <br />not listed <br /> <br />E160.1 <br /> <br />10 p <br />p <br />samples <br />samples es m <br />cron) t <br />en <br />cool to 4°C - <br />0 m <br />poly <br /> <br /> <br />days <br />Alkalinity (total as CaCOs) not listed I <br />NAP-Hnal- a e5 - rou0 - MOR <br />Attachment 6