# Dec.**27, 2009: 38.5 ug /m3** 

Tot C %

Crust %

NH3SO4 %

NH3NO3 %

Residual

# Jan**8, 2010: 42.7 ug /m3** 

Tot C %

Crust %

NH3SO4 %

NH3NO3 %

Residual

# Jan**19, 2009: 50.5 ug /m3** 

Tot C %

Crust %

NH3SO4 %

NH3NO3 %

ResidualTot C % Crust % NH3SO4 %NH3NO3 % Residual

82.5% 1.91% 1.18% 8.92% 5.46% 86.9% 1.21% 2.15% 9.30% 0.42% 79.2% 1.79% 2.41% 6.94% 9.64% -2.8% 0.01% 0.11% 0.44% 102.20% 97.9% 2.38% 7.36% 12.10% -19.77% 71.8% 1.74% 2.46% 11.55% 12.42% 76.4% 0.61% 3.93% 9.20% 9.83% 90.7% 8.60% 5.03% 4.66% -8.96% 43.9% 70.3% 3.44% 3.30% 9.49% 13.47% 80.9% 2.51% 3.68% 5.29% 7.59% 104.5% 2.21% 2.75% 4.08% -13.52% 77.7% 0.86% 12.44% 12.49% -3.53% 74.5% 1.87% 1.14% 5.45% 17.05% 85.7% 4.51% 3.98% 10.01% -4.19% 93.1% 1.41% 2.10% 8.75% -5.39%MT20082010

stype sample_date airs_site_code pm2_5frm pm2_5mass OrganicCarbonMass TotalCarbonaceousMass Tot C % SASS 1/19/2009300930005 50.5 46.2 38.318 41.678 82.5% SASS 1/8/2010 300930005 42.7 46 33.32 37.11 86.9% SASS 12/27/2009300930005 38.5 37.7 27.16 30.5 79.2% SASS 11/26/2008300930005 24.4 1.2 -0.672 -0.67138 -2.8% SASS 12/20/2008300930005 24.3 27.2 22.078 23.798 97.9% SASS 11/15/2009300930005 23 21.4 14 16.52 71.8% SASS 12/9/2009300930005 23 22.1 15.54 17.58 76.4% SASS 10/27/2008300930005 22 17.5 17.738 19.948 90.7%

1/14/2010 300930005 21.3 7.602 9.352 43.9% SASS 12/3/2009300930005 18.9 18.2 11.508 13.288 70.3% SASS 11/3/2009300930005 18.7 18.1 13.034 15.134 80.9% SASS 12/26/2008300930005 18 17.1 17.738 18.808 104.5% SASS 1/25/2009300930005 15.8 14.8 11.522 12.283 77.7% SASS 1/2/2010 300930005 15.7 16.2 9.576 11.696 74.5% SASS 3/2/2009300930005 15.6 14.1 12.278 13.368 85.7% SASS 2/12/2009300930005 14.3 15.8 12.278 13.318 93.1% SASS 1/17/2010 300930005 14.2 20.6 SASS 11/9/2009300930005 14.1 14.2 8.316 10.516 SASS 3/15/2010 300930005 13.6 13.1 7.882 9.162 SASS 11/8/2008300930005 13.4 14.1 10.85 12.51 SASS 3/20/2009300930005 13.4 11.5 10.024 10.73 SASS 11/14/2008300930005 13.3 12.1 12.278 13.368 SASS 10/16/2009300930005 13 11.3 12.418 13.628 SASS 1/1/2009300930005 11.8 11 9.184 10.284 SASS 1/20/2010 300930005 11.4 11.1 6.496 7.716 SASS 3/14/2009300930005 11.2 10.5 10.29 11.152 SASS 4/7/2009300930005 11.1 10.6 8.876 9.758 SASS 10/22/2009300930005 11.1 11.1 6.734 7.964

2/25/2010 300930005 11 6.734 8.244 SASS 3/3/2010 300930005 10.1 9.4 2.87 3.98 SASS 7/18/2009300930005 9.5 10.4 8.792 9.424 SASS 8/11/2009300930005 9.1 11.4 5.404 6.075 SASS 8/29/2009300930005 9 8.4 4.998 5.681 SASS 9/28/2009300930005 9 7.8 3.934 4.784 SASS 11/2/2008300930005 8.6 9 5.53 6.64 SASS 6/30/2009300930005 8.6 6.5 5.614 6.127 SASS 12/21/2009300930005 8.5 9.1 4.718 5.625 SASS 7/30/2009300930005 8.4 8.4 6.804 6.804 SASS 4/25/2009300930005 8.2 8.2 5.222 5.81 SASS 6/12/2009300930005 7.4 6.9 4.41 4.41 SASS 4/19/2009300930005 7.3 6.8 5.572 6.582 SASS 12/15/2009300930005 7.3 7.5 4.186 5.151 SASS 8/5/2009300930005 7.2 6.2 6.706 6.947 SASS 9/16/2009300930005 7.2 7.5 3.906 4.657 SASS 2/19/2010 300930005 7.1 6.4 2.338 2.922 SASS 3/9/2010 300930005 7 8.2 2.366 2.784 SASS 7/6/2009300930005 6.9 6.5 4.914 5.513 SASS 8/23/2009300930005 6.8 6.7 4.34 4.855 SASS 9/4/2009300930005 6.8 6.9 4.648 4.648 SASS 9/10/2009300930005 6.5 6.2 4.116 4.607 SASS 5/1/2009300930005 6.3 5.2 3.43 3.791

Page 1MT20082010

SASS 7/12/2009300930005 6.3 9 4.634 5.067 SASS 11/21/2009300930005 6.3 6 SASS 2/24/2009300930005 6.1 5.7 5.026 5.526 SASS 3/26/2009300930005 6.1 5.3 2.1 2.37 SASS 7/24/2009300930005 6 5.8 5.376 5.719 SASS 6/24/2009300930005 5.9 4.9 3.878 4.281 SASS 1/31/2009300930005 5.7 5 4.396 4.906 SASS 11/20/2008300930005 5.6 5.6 2.884 3.43 SASS 9/22/2009300930005 5.6 5.4 3.962 4.593 SASS 5/25/2009300930005 5.5 5.9 2.786 3.149 SASS 5/31/2009300930005 5.4 5.8 3.22 3.628 SASS 10/28/2009300930005 5.4 5.2 2.814 3.183 SASS 10/10/2009300930005 5.1 5 2.352 2.67 SASS 1/13/2009300930005 4.3 6.7 2.226 2.706 SASS 2/13/2010 300930005 4.2 4.8 2.016 2.476 SASS 4/1/2009300930005 4.1 3.8 3.514 3.808 SASS 6/18/2009300930005 4 3.1 1.89 2.219 SASS 12/2/2008300930005 3.8 4.2 3.038 3.603 SASS 3/8/2009300930005 3.8 4.1 2.212 2.495 SASS 1/7/2009300930005 3.7 3.4 2.856 3.617 SASS 4/13/2009300930005 3.4 3.4 3.374 3.628 SASS 5/7/2009300930005 3.4 3.4 1.274 1.529 SASS 8/17/2009300930005 3.4 3.3 2.324 2.712 SASS 2/18/2009300930005 3.2 3.5 2.716 3.003 SASS 10/21/2008300930005 2.6 1.5 2.142 2.441 SASS 5/13/2009300930005 2.3 2.1 1.848 1.994 SASS 6/6/2009300930005 2.2 4 1.036 1.232 SASS 10/4/2009300930005 1.5 3.2 0.434 0.4487 SASS 2/5/2009300930005 28.8 27.118 29.048 SASS 11/27/2009300930005 23.5 13.58 16.22 SASS 1/26/2010 300930005 10.276 12.716 SASS 2/7/2010 300930005 22.8 13.58 15.68 SASS 2/26/2010 300930005 15.3 SASS 3/21/2010 300930005 10.5 16.1 17.99 SASS 3/27/2010 300930005 4.5 3.542 4.142 SASS 4/2/2010 300930005 8.1 1.988 2.465 SASS 4/8/2010 300930005 8.7 2.786 3.507 SASS 4/14/2010 300930005 4.3 1.316 1.666 SASS 4/20/2010 300930005 10.4 1.834 2.444 SASS 4/26/2010 300930005 4.9 1.862 2.296 SASS 5/2/2010 300930005 3.1 0.7378 0.9238 SASS 5/8/2010 300930005 5 1.428 1.869 SASS 5/14/2010 300930005 9.2 2.604 3.182 SASS 5/20/2010 300930005 6.7 0.8344 1.0594 SASS 5/26/2010 300930005 12 2.044 2.84 SASS 6/1/2010 300930005 3.6 1.61 2.004 SASS 6/7/2010 300930005 2.2 0.6118 0.8598 SASS 6/13/2010 300930005 3.4 1.008 1.222 SASS 6/19/2010 300930005 4 1.498 1.877 SASS 6/25/2010 300930005 4.2 1.596 1.964 SASS 7/1/2010 300930005 8.9 2.394 2.78 SASS 7/7/2010 300930005 5 1.414 1.688

Page 2MT20082010

SASS 7/13/2010 300930005 5.9 0.826 0.927 SASS 7/19/2010 300930005 15.4 1.498 1.711 SASS 7/25/2010 300930005 12.4 2.366 2.714 SASS 7/31/2010 300930005 5.9 1.694 2.018 SASS 8/6/2010 300930005 5.2 1.848 2.208 SASS 8/12/2010 300930005 5 1.96 2.273 SASS 8/18/2010 300930005 7.5 SASS 8/24/2010 300930005 5.1 1.708 2.299 SASS 8/30/2010 300930005 3.3 1.386 1.641 SASS 9/5/2010 300930005 4 0.91 1.109 SASS 9/11/2010 300930005 5.2 2.086 2.716 SASS 9/17/2010 300930005 6.7 1.834 2.364 SASS 9/23/2010 300930005 4.8 1.778 2.321 SASS 9/29/2010 300930005 7.8 3.248 3.925 SASS 10/5/2010 300930005 2.4 1.19 1.484 SASS 10/11/2010 300930005 4.5 0.7028 0.9668 SASS 10/17/2010 300930005 7.7 2.772 3.361 SASS 10/23/2010 300930005 10.2 5.39 6.32 SASS 10/29/2010 300930005 11.5 6.412 7.902 SASS 11/4/2010 300930005 17.4 9.618 12.248 SASS 11/10/2010 300930005 6.6 4.662 5.642 SASS 11/16/2010 300930005 1.8 1.372 1.813 SASS 11/22/2010 300930005 15.4 8.106 9.636 SASS 11/28/2010 300930005 5.7 2.912 3.649 SASS 12/4/2010 300930005 34 23.52 27.63 SASS 12/10/2010 300930005 4.3 2.996 3.645 SASS 12/16/2010 300930005 20.9 13.062 15.762 SASS 12/22/2010 300930005 42.9 25.48 30.51 SASS 12/28/2010 300930005 4.8 2.324 3.153

Page 3MT20082010

Crustal Crust % RCFM_urban FN_ammsulfate_sulfur FN_ammsulfate_sulfate

NH3SO4 %FN_ammnitrate NH3NO3 % 0.964749 1.91% 47.6857492 0.66 0.595375 1.18% 4.5021 8.92% 0.518271 1.21% 42.425271 1.0395 0.917125 2.15% 3.9732 9.30% 0.689696 1.79% 34.708696 0.952875 0.9295 2.41% 2.6703 6.94% 0.001562 0.01% -0.479318 0 0.026675 0.11% 0.106941 0.44% 0.577163 2.38% 29.1951632 2.013 1.7875 7.36% 2.9412 12.10% 0.400169 1.74% 20.019169 0.56925 0.565125 2.46% 2.6574 11.55% 0.139761 0.61% 20.609761 1.010625 0.90475 3.93% 2.1156 9.20% 1.892912 8.60% 23.849912 1.0065 1.1055 5.03% 1.02426 4.66%

0.649648 3.44% 16.2796476 0.796125 0.62425 3.30% 1.7931 9.49% 0.469665 2.51% 17.1816646 0.713625 0.6875 3.68% 0.98943 5.29% 0.397446 2.21% 20.348446 0.43725 0.495 2.75% 0.73401 4.08% 0.135271 0.86% 16.297271 2.140875 1.96625 12.44% 1.9737 12.49% 0.293639 1.87% 12.9276388 0.170363 0.17875 1.14% 0.85527 5.45% 0.703613 4.51% 16.148613 0.622875 0.6215 3.98% 1.5609 10.01% 0.201641 1.41% 14.992641 0.308963 0.29975 2.10% 1.2513 8.75% 0.6459 0.495 0.446875 1.7673 0.449224 12.1782238 0.382388 0.37125 0.92622 0.586561 11.405561 0.672375 0.60775 1.20486 0.276565 14.336565 0.449625 0.473 1.28484 1.417441 13.6874406 0.7095 0.69025 1.02297 0.272618 14.832618 0.466125 0.501875 0.79593 0.585368 15.275368 0.327938 0.3465 0.82689 0.219907 11.773907 0.243375 0.273625 1.13004 0.365622 9.372622 0.330825 0.38775 1.17261 0.744518 13.566518 0.5445 0.5555 1.3029 1.354193 12.402193 0.573375 0.495 0.90816 0.285713 9.295713 0.386513 0.567875 0.59598

0.384776 7.7237758 0.792 0.792 2.7993 1.561168 11.8251678 0.664125 0.5995 0.2838 0.40614 7.3501402 0.71775 0.625625 0.31992 1.218818 8.1818184 1.155 1.04775 0.26187 1.947831 7.7518312 0.9075 0.829125 0.23607 0.248835 7.978835 0.5115 0.539 0.68241 0.801752 8.1547524 1.051875 0.947375 0.32121 0.215345 6.691345 0.31515 0.3575 0.55341 0.937381 8.878381 0.977625 0.80575 0.38829 0.418048 8.761048 1.992375 2.10375 0.50697 0.840857 7.137857 1.31175 1.364 0.59211 0.75792 8.9739204 0.858 0.87725 0.90558 0.498046 6.593046 0.396825 0.35475 0.6708 0.448132 8.041132 0.614625 0.521125 0.18576 1.402999 7.179999 1.060125 0.908875 0.27219 0.177936 5.3489358 1.109625 1.115125 1.18293 0.297427 5.556427 0.911625 1.211375 1.5351 0.462552 6.887552 0.7425 0.834625 0.17802 0.660557 6.1795574 0.627 0.573375 0.15609 0.789529 6.414529 0.81675 0.793375 0.25026 0.962717 6.239717 0.515625 0.49225 0.22704 0.348748 5.449748 0.6435 0.661375 0.73014

Page 4MT20082010

1.822874 7.641874 0.763125 0.64075 0.21543 0.167642 0.162525 0.1815 0.39732 0.162193 6.142593 0.108488 0.11825 0.42054 0.328033 4.9520326 1.47675 1.4575 0.87849 0.63489 6.9598898 0.433125 0.42075 0.17286 0.322363 5.441363 0.6105 0.58575 0.36249 0.571042 6.0620422 0.339075 0.356125 0.28122 0.195028 4.9760282 0.68475 0.694375 0.73917 0.589886 5.823886 0.40095 0.407 0.2967 0.511709 5.253709 1.155 1.12475 0.53922 0.829171 5.647171 0.891 0.864875 0.3741 0.081522 4.0485222 0.474375 0.47575 0.38055 0.087023 4.5410234 1.068375 1.021625 0.80625 1.983171 5.0910712 0.35145 0.264 0.20898 0.147195 3.069895 0.188513 0.191125 0.35862 0.21142 4.7291199 0.238013 0.292875 0.51471 0.285899 3.354899 0.573375 0.600875 0.31734 0.31895 4.53095 0.3531 0.361625 0.27348 0.104046 3.5730462 0.429 0.51975 0.61533 0.346618 4.179818 0.048675 0.0704 0.21285 0.312096 4.439796 0.321338 0.3465 0.21285 0.233755 2.3307554 0.386925 0.4125 0.2064 0.250634 3.4955342 0.300713 0.309375 0.27993 0.261259 3.7566594 0.285038 0.308 0.26574 0.09754 3.0831396 0.2673 0.34375 0.27348 0.182427 2.658127 0.367125 0.38775 0.118293 0.122127 1.9276265 0.50325 0.5115 0.16641 0.094579 1.4252791 0.50325 0.68475 0.27219 0.767933 33.524933 0.672375 0.545875 3.2895 0.491672 20.116672 0.565125 2.21375 1.6899 0.540375 4.9149 0.707879 20.229879 0.403838 0.400125 3.483 1.577358 0.42075 0.452375 1.6254 1.409808 20.7188084 0.598125 0.628375 0.84108 0.552803 5.3578032 0.441375 0.3465 0.387 0.424673 3.560273 0.3135 0.33275 0.43989 2.025282 6.577282 0.565125 0.473 0.6708 0.392173 2.932173 0.6765 0.743875 0.19092 2.726935 6.8929346 1.122 1.150875 0.71208 0.729077 3.9380768 0.43725 0.5665 0.46569 0.419821 1.8230212 0.237188 0.391875 0.16641 0.243744 3.750744 0.870375 0.961125 0.79851 0.511023 4.9450234 1.142625 1.1165 0.23865 0.535081 1.775781 0.3267 0 0.12384 0.57151 4.55351 0.7755 0.749375 0.55212 0.19766 2.6161603 0.140663 0.196625 0.33411 0.159961 1.2687611 0.142313 0.166375 0.16512 0.326363 2.211963 0.515625 0.523875 0.24252 0.325221 2.7495212 0.385275 0.369875 0.27993 0.286878 2.915878 0.693 0.594 0.26832 0.651973 4.4919732 0.94875 0.900625 0.38829 0.306909 2.459809 0.47025 0.32175 0.20898

Page 5MT20082010

1.170109 2.7151086 0.594 0.5335 0.13545 2.930613 5.1936132 0.565125 0.444125 0.13803 0.696076 3.8160756 0.309788 0.224125 0.18318 0.657645 3.3856446 0.66 0.609125 0.19995 0.415378 3.303778 0.622875 0.59675 0.21801 0.609831 3.499131 0.48675 0.41525 0.33282 1.224866 0.48675 0.4015 0.33024 0.523469 3.444469 0.4455 0.419375 0.25155 0.07304 2.1019402 0.31845 0.2695 0.16254 0.352611 2.1005112 0.515625 0.55 0.18189 0.246251 3.5466512 0.385688 0.372625 0.33282 0.515183 3.5976832 0.462 0.47575 0.37281 0.375528 3.700528 0.693 0.708125 0.37281 0.752553 5.495553 0.631125 0.60225 0.29283 0.095258 2.0357581 0.368363 0.35475 0.24123 0.118218 1.6726177 0.4785 0.507375 0.1806 0.573755 5.217755 1.01475 0.873125 0.53664 0.53198 7.90198 0.627 0.605 0.54567 0.643487 10.0734866 0.787875 0.781 0.92622 0.907714 14.1947136 0.3762 0.3245 0.84366 0.232827 6.876827 0.286688 0.24475 0.85011 0.045632 2.4274318 0.2937 0.295625 0.39345 0.132214 13.776214 1.505625 1.4025 2.8251 0.143479 4.650479 0.2178 0.251625 0.73917 0.260865 32.260865 1.241625 1.230625 3.3411 0.332464 4.312864 0.154688 0.1705 0.23607 0.187443 17.564443 0.370013 0.334125 1.4835 0.546389 37.9623894 0.9405 0.792 6.1275 0.088944 3.948944 0.209138 0.218625 0.57276

Page 6MT20082010

Residual Ammsulfate_amm RCFM_FNspecies_14

STATE_NAME

COUNTY_NAME

LOCATIONLATITUDELONGITUDE TYPE 5.46% 0.5409 47.80485 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.42% 0.8238 42.64097 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 9.64% 0.8487 34.81287 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 102.20% 0.083559 -0.56288 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted -19.77% 1.8788 29.32936 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 12.42% 0.4416 20.14682 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 9.83% 0.7744 20.84599 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted -8.96% 0.98474 23.87167 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 13.47% 0.5489 16.52687 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 7.59% 0.58857 17.30672 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted -13.52% 0.40899 20.37671 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted -3.53% 1.9053 16.53285 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 17.05% 0.08273 13.01527 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted -4.19% 0.5161 16.25539 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted -5.39% 0.2217 15.0799 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.3627 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.28678 12.27383 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.45214 11.6258 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.26516 14.52103 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.51703 13.87991 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.39607 14.90267 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.23511 15.3682 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.13996 11.87732 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.11839 9.585057 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.3671 13.74392 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.38184 12.59373 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.45002 9.232206 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.5597 7.956076 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.5562 11.93309 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.54908 7.51881 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 1.02013 8.316688 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.78393 7.875401 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.40759 8.082745 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.90479 8.301837 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.29759 6.708905 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.74871 9.107296 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 2.02603 8.727393 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 1.29489 7.154717 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.72842 9.1035 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.2732 6.716671 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.46024 8.195517 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.84781 7.392314 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 1.06607 5.392491 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.9399 5.528152 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.73398 6.896072 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.50791 6.298647 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.72674 6.504539 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.44296 6.312382 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.57986 5.513388 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted

Page 7MT20082010

0.53657 7.868429 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.22168 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.03386 6.217221 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 1.37551 5.053273 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.43314 6.959875 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.47551 5.576353 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.30378 6.097337 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.61183 5.048948 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.3443 5.880536 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 1.05378 5.354929 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.8159 5.722271 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.40345 4.119447 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.97775 4.631648 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.19292 5.249601 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.08808 3.170328 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.19499 4.772142 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.53266 3.395614 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.33552 4.54853 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.35867 3.643376 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.00335 4.225143 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.28685 4.474284 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.3616 2.35608 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.25297 3.543277 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.22666 3.815037 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.27112 3.07932 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.363407 2.661845 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.40709 2.023787 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.60981 1.318719 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.4195 33.77781 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 1.7151 18.9667 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.4181 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.359 20.27472 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.3416 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.47792 20.83901 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.276 5.523178 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.23071 3.643063 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.3742 6.768207 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.68308 2.925593 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 1.00992 7.005015 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.44731 3.928017 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.31299 1.747219 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.83949 3.781629 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 1.01335 5.074298 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.05746 2.045021 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.58988 4.73913 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.08039 2.676433 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.08388 1.327194 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.42108 2.306508 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.26737 2.867426 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.39668 3.212198 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.67171 4.769013 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.25592 2.674139 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted

Page 8MT20082010

0.48255 2.826559 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.41397 5.344768 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.22282 3.903043 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.51005 3.535595 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.46239 3.464263 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.28348 3.702401 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.35876 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.37045 3.519519 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.22536 2.19503 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.45701 2.159126 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.25158 3.680759 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.34569 3.713993 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.63119 3.762338 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.52517 5.601508 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.21527 2.188851 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.407 1.744118 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.74636 5.486145 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.50433 8.02465 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.60178 10.25958 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.19534 14.37557 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.15189 7.011625 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.17535 2.545782 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 1.1829 14.09894 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.11883 4.749449 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 1.0289 32.47359 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.09933 4.368222 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.1315 17.80296 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.7785 38.12439 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted 0.13424 4.023842 Montana Silver BowURBAN AND CENTER CITY 46.0024 -112.501 CSN Adjusted

Page 9MT20082010

MSA_NAME Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA

Page 10MT20082010

Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA

Page 11MT20082010

Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA Not in a MSA

Page 12

# Dec.**3, 2009: 18.9 ug /m3, only 70.3% T**  **otal Carbon**

Tot C %

Crust %

NH3SO4 %

NH3NO3 %

Residual