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   Counties page > Hg in Conterminous US > Hg in east-central US

Mercury in Counties of the East-Central US

La Salle Co.: Hg= 0.146 +/- 0.142 ppm Louisa Co.: Hg= 0.032 +/- 0.008 ppm Mercer Co.: Hg= 0.022 +/- 0.012 ppm Jasper Co.: Hg= 0.063 +/- 0.025 ppm Stark Co.: Hg= 0.023 +/- 0.003 ppm Newton Co.: Hg= 0.062 +/- 0.027 ppm Knox Co.: Hg= 0.019 +/- 0.003 ppm Marshall Co.: Hg= 0.030 +/- 0.004 ppm Livingston Co.: Hg= 0.033 +/- 0.017 ppm Des Moines Co.: Hg= 0.024 +/- 0.005 ppm Henderson Co.: Hg= 0.028 +/- 0.004 ppm Warren Co.: Hg= 0.027 +/- 0.006 ppm Wabash Co.: Hg= 0.024 +/- 0.005 ppm Iroquois Co.: Hg= 0.036 +/- 0.015 ppm Huntington Co.: Hg= 0.024 +/- 0.007 ppm Miami Co.: Hg= 0.027 +/- 0.008 ppm Ford Co.: Hg= 0.023 +/- 0.006 ppm Peoria Co.: Hg= 0.015 +/- 0.003 ppm Woodford Co.: Hg= 0.034 +/- 0.009 ppm Adams Co.: Hg= 0.040 +/- 0.007 ppm Wells Co.: Hg= 0.026 +/- 0.003 ppm White Co.: Hg= 0.026 +/- 0.007 ppm Cass Co.: Hg= 0.031 +/- 0.008 ppm Hardin Co.: Hg= 0.041 +/- 0.003 ppm Lee Co.: Hg= 0.027 +/- 0.007 ppm McLean Co.: Hg= 0.038 +/- 0.005 ppm Tazewell Co.: Hg= 0.019 +/- 0.007 ppm Carroll Co.: Hg= 0.028 +/- 0.005 ppm Benton Co.: Hg= 0.024 +/- 0.009 ppm Mercer Co.: Hg= 0.041 +/- 0.004 ppm Fulton Co.: Hg= 0.020 +/- 0.010 ppm Morrow Co.: Hg= 0.038 +/- 0.009 ppm Marion Co.: Hg= 0.039 +/- 0.005 ppm Auglaize Co.: Hg= 0.039 +/- 0.004 ppm Westmoreland Co.: Hg= 0.078 +/- 0.073 pp Tuscarawas Co.: Hg= 0.041 +/- 0.010 ppm Grant Co.: Hg= 0.036 +/- 0.005 ppm Hancock Co.: Hg= 0.013 +/- 0.004 ppm McDonough Co.: Hg= 0.018 +/- 0.005 ppm Jefferson Co.: Hg= 0.038 +/- 0.009 ppm Knox Co.: Hg= 0.022 +/- 0.005 ppm Jay Co.: Hg= 0.032 +/- 0.008 ppm Blackford Co.: Hg= 0.025 +/- 0.003 ppm Howard Co.: Hg= 0.038 +/- 0.002 ppm Tippecanoe Co.: Hg= 0.021 +/- 0.005 ppm Logan Co.: Hg= 0.028 +/- 0.008 ppm Union Co.: Hg= 0.030 +/- 0.008 ppm Vermilion Co.: Hg= 0.027 +/- 0.013 ppm Shelby Co.: Hg= 0.044 +/- 0.004 ppm Washington Co.: Hg= 0.048 +/- 0.017 ppm Warren Co.: Hg= 0.016 +/- 0.004 ppm Coshocton Co.: Hg= 0.033 +/- 0.007 ppm Delaware Co.: Hg= 0.032 +/- 0.004 ppm Mason Co.: Hg= 0.013 +/- 0.002 ppm Harrison Co.: Hg= 0.047 +/- 0.012 ppm Clinton Co.: Hg= 0.034 +/- 0.023 ppm Tipton Co.: Hg= 0.056 +/- 0.019 ppm Champaign Co.: Hg= 0.020 +/- 0.004 ppm Brooke Co.: Hg= 0.046 +/- 0.007 ppm Madison Co.: Hg= 0.038 +/- 0.010 ppm Delaware Co.: Hg= 0.026 +/- 0.002 ppm Fountain Co.: Hg= 0.023 +/- 0.008 ppm Darke Co.: Hg= 0.034 +/- 0.005 ppm Bedford Co.: Hg= 0.557 +/- 0.892 ppm Logan Co.: Hg= 0.019 +/- 0.005 ppm Randolph Co.: Hg= 0.027 +/- 0.003 ppm Franklin Co.: Hg= 0.100 +/- 0.039 ppm Somerset Co.: Hg= 0.193 +/- 0.309 ppm Schuyler Co.: Hg= 0.011 +/- 0.001 ppm De Witt Co.: Hg= 0.037 +/- 0.006 ppm Piatt Co.: Hg= 0.025 +/- 0.007 ppm Licking Co.: Hg= 0.025 +/- 0.007 ppm Champaign Co.: Hg= 0.035 +/- 0.007 ppm York Co.: Hg= 0.054 +/- 0.022 ppm Guernsey Co.: Hg= 0.033 +/- 0.009 ppm Hamilton Co.: Hg= 0.087 +/- 0.072 ppm Montgomery Co.: Hg= 0.017 +/- 0.003 ppm Adams Co.: Hg= 0.012 +/- 0.002 ppm Miami Co.: Hg= 0.036 +/- 0.008 ppm Ohio Co.: Hg= 0.061 +/- 0.014 ppm Boone Co.: Hg= 0.043 +/- 0.030 ppm Belmont Co.: Hg= 0.052 +/- 0.014 ppm Muskingum Co.: Hg= 0.046 +/- 0.011 ppm Fulton Co.: Hg= 0.108 +/- 0.070 ppm Menard Co.: Hg= 0.015 +/- 0.002 ppm Vermillion Co.: Hg= 0.015 +/- 0.007 ppm Fayette Co.: Hg= 0.058 +/- 0.012 ppm Franklin Co.: Hg= 0.037 +/- 0.006 ppm Cass Co.: Hg= 0.013 +/- 0.002 ppm Madison Co.: Hg= 0.033 +/- 0.006 ppm Brown Co.: Hg= 0.010 +/- 0.001 ppm Henry Co.: Hg= 0.026 +/- 0.006 ppm Adams Co.: Hg= 0.076 +/- 0.020 ppm Macon Co.: Hg= 0.022 +/- 0.007 ppm Clark Co.: Hg= 0.033 +/- 0.010 ppm Marshall Co.: Hg= 0.046 +/- 0.011 ppm Greene Co.: Hg= 0.070 +/- 0.021 ppm Wayne Co.: Hg= 0.022 +/- 0.006 ppm Sangamon Co.: Hg= 0.023 +/- 0.006 ppm Noble Co.: Hg= 0.029 +/- 0.005 ppm Parke Co.: Hg= 0.012 +/- 0.002 ppm Hancock Co.: Hg= 0.042 +/- 0.006 ppm Fairfield Co.: Hg= 0.029 +/- 0.005 ppm Perry Co.: Hg= 0.039 +/- 0.009 ppm Marion Co.: Hg= 0.032 +/- 0.008 ppm Hendricks Co.: Hg= 0.023 +/- 0.006 ppm Montgomery Co.: Hg= 0.034 +/- 0.004 ppm Preble Co.: Hg= 0.032 +/- 0.007 ppm Edgar Co.: Hg= 0.015 +/- 0.004 ppm Douglas Co.: Hg= 0.015 +/- 0.004 ppm Morgan Co.: Hg= 0.017 +/- 0.003 ppm Monroe Co.: Hg= 0.038 +/- 0.007 ppm Putnam Co.: Hg= 0.013 +/- 0.002 ppm Greene Co.: Hg= 0.026 +/- 0.005 ppm Pike Co.: Hg= 0.018 +/- 0.010 ppm New Castle Co.: Hg= 0.183 +/- 0.091 ppm Christian Co.: Hg= 0.022 +/- 0.005 ppm Pickaway Co.: Hg= 0.028 +/- 0.007 ppm Moultrie Co.: Hg= 0.016 +/- 0.002 ppm Scott Co.: Hg= 0.016 +/- 0.002 ppm Fayette Co.: Hg= 0.012 +/- 0.001 ppm Rush Co.: Hg= 0.023 +/- 0.007 ppm Salem Co.: Hg= 0.144 +/- 0.037 ppm Morgan Co.: Hg= 0.037 +/- 0.007 ppm Atlantic Co.: Hg= 0.062 +/- 0.023 ppm Union Co.: Hg= 0.020 +/- 0.004 ppm Allegany Co.: Hg= 2.657 +/- 1.051 ppm Washington Co.: Hg= 0.207 +/- 0.155 ppm Garrett Co.: Hg= 0.326 +/- 0.372 ppm Cecil Co.: Hg= 0.105 +/- 0.034 ppm Wetzel Co.: Hg= 0.042 +/- 0.013 ppm Harford Co.: Hg= 0.105 +/- 0.020 ppm Monongalia Co.: Hg= 0.086 +/- 0.013 ppm Preston Co.: Hg= 0.114 +/- 0.066 ppm Baltimore Co.: Hg= 0.176 +/- 0.315 ppm Carroll Co.: Hg= 0.191 +/- 0.078 ppm Frederick Co.: Hg= 0.209 +/- 0.083 ppm Fayette Co.: Hg= 0.022 +/- 0.006 ppm Shelby Co.: Hg= 0.030 +/- 0.012 ppm Morgan Co.: Hg= 0.658 +/- 0.462 ppm Ralls Co.: Hg= 0.017 +/- 0.008 ppm Coles Co.: Hg= 0.017 +/- 0.005 ppm Hocking Co.: Hg= 0.052 +/- 0.044 ppm Shelby Co.: Hg= 0.012 +/- 0.002 ppm Mineral Co.: Hg= 0.939 +/- 0.824 ppm Washington Co.: Hg= 0.026 +/- 0.007 ppm Marion Co.: Hg= 0.092 +/- 0.033 ppm Johnson Co.: Hg= 0.017 +/- 0.003 ppm Morgan Co.: Hg= 0.016 +/- 0.003 ppm Berkeley Co.: Hg= 0.195 +/- 0.082 ppm Vigo Co.: Hg= 0.013 +/- 0.003 ppm Clay Co.: Hg= 0.018 +/- 0.004 ppm Tyler Co.: Hg= 0.041 +/- 0.006 ppm Pike Co.: Hg= 0.013 +/- 0.004 ppm Butler Co.: Hg= 0.031 +/- 0.005 ppm Warren Co.: Hg= 0.027 +/- 0.006 ppm Clinton Co.: Hg= 0.034 +/- 0.011 ppm Cumberland Co.: Hg= 0.125 +/- 0.009 ppm Athens Co.: Hg= 0.059 +/- 0.055 ppm Hampshire Co.: Hg= 0.467 +/- 0.471 ppm Franklin Co.: Hg= 0.018 +/- 0.006 ppm Montgomery Co.: Hg= 0.013 +/- 0.004 ppm Macoupin Co.: Hg= 0.013 +/- 0.004 ppm Greene Co.: Hg= 0.014 +/- 0.003 ppm Ross Co.: Hg= 0.055 +/- 0.048 ppm Jefferson Co.: Hg= 0.504 +/- 0.340 ppm Clark Co.: Hg= 0.010 +/- 0.001 ppm Pleasants Co.: Hg= 0.041 +/- 0.003 ppm Owen Co.: Hg= 0.022 +/- 0.005 ppm Harrison Co.: Hg= 0.074 +/- 0.018 ppm Frederick Co.: Hg= 0.643 +/- 0.159 ppm Decatur Co.: Hg= 0.015 +/- 0.003 ppm Taylor Co.: Hg= 0.105 +/- 0.017 ppm Doddridge Co.: Hg= 0.041 +/- 0.008 ppm Wood Co.: Hg= 0.028 +/- 0.010 ppm Kent Co.: Hg= 0.200 +/- 0.084 ppm Calhoun Co.: Hg= 0.023 +/- 0.019 ppm Vinton Co.: Hg= 0.057 +/- 0.037 ppm Ritchie Co.: Hg= 0.078 +/- 0.033 ppm Kent Co.: Hg= 0.383 +/- 0.229 ppm Cumberland Co.: Hg= 0.011 +/- 0.001 ppm Highland Co.: Hg= 0.026 +/- 0.009 ppm Baltimore City Co.: Hg= 0.504 +/- 0.187 Howard Co.: Hg= 1.400 +/- 0.652 ppm Monroe Co.: Hg= 0.030 +/- 0.005 ppm Montgomery Co.: Hg= 0.766 +/- 0.274 ppm Bartholomew Co.: Hg= 0.019 +/- 0.006 ppm Brown Co.: Hg= 0.019 +/- 0.004 ppm Grant Co.: Hg= 0.046 +/- 0.011 ppm Cape May Co.: Hg= 0.073 +/- 0.031 ppm Loudoun Co.: Hg= 1.062 +/- 0.309 ppm Hamilton Co.: Hg= 0.036 +/- 0.009 ppm Ripley Co.: Hg= 0.018 +/- 0.006 ppm Dearborn Co.: Hg= 0.020 +/- 0.004 ppm Barbour Co.: Hg= 0.242 +/- 0.186 ppm Tucker Co.: Hg= 0.039 +/- 0.010 ppm Clermont Co.: Hg= 0.036 +/- 0.008 ppm Clarke Co.: Hg= 1.055 +/- 0.274 ppm Jersey Co.: Hg= 0.027 +/- 0.020 ppm Queen Annes Co.: Hg= 0.285 +/- 0.184 ppm Sullivan Co.: Hg= 0.015 +/- 0.003 ppm Brown Co.: Hg= 0.029 +/- 0.007 ppm Hardy Co.: Hg= 0.077 +/- 0.053 ppm Anne Arundel Co.: Hg= 0.383 +/- 0.401 pp Lincoln Co.: Hg= 0.014 +/- 0.003 ppm Fayette Co.: Hg= 0.012 +/- 0.002 ppm Effingham Co.: Hg= 0.010 +/- 0.000 ppm Jackson Co.: Hg= 0.036 +/- 0.006 ppm Meigs Co.: Hg= 0.036 +/- 0.009 ppm Pike Co.: Hg= 0.037 +/- 0.009 ppm Jennings Co.: Hg= 0.015 +/- 0.004 ppm Wirt Co.: Hg= 0.070 +/- 0.048 ppm Crawford Co.: Hg= 0.013 +/- 0.002 ppm Jasper Co.: Hg= 0.012 +/- 0.002 ppm Greene Co.: Hg= 0.021 +/- 0.007 ppm Lewis Co.: Hg= 0.046 +/- 0.011 ppm Montgomery Co.: Hg= 0.012 +/- 0.002 ppm Boone Co.: Hg= 0.036 +/- 0.007 ppm Caroline Co.: Hg= 1.102 +/- 0.297 ppm Prince Georges Co.: Hg= 0.284 +/- 0.226 Campbell Co.: Hg= 0.046 +/- 0.017 ppm Randolph Co.: Hg= 0.052 +/- 0.037 ppm Upshur Co.: Hg= 0.076 +/- 0.050 ppm Gilmer Co.: Hg= 0.045 +/- 0.007 ppm Shenandoah Co.: Hg= 0.179 +/- 0.110 ppm Kenton Co.: Hg= 0.048 +/- 0.016 ppm Jackson Co.: Hg= 0.032 +/- 0.007 ppm Jackson Co.: Hg= 0.028 +/- 0.006 ppm Fairfax Co.: Hg= 0.750 +/- 0.246 ppm Adams Co.: Hg= 0.024 +/- 0.008 ppm Calhoun Co.: Hg= 0.074 +/- 0.035 ppm Warren Co.: Hg= 0.253 +/- 0.086 ppm Gallia Co.: Hg= 0.035 +/- 0.005 ppm Ohio Co.: Hg= 0.024 +/- 0.003 ppm Mason Co.: Hg= 0.034 +/- 0.006 ppm Bond Co.: Hg= 0.012 +/- 0.002 ppm Scioto Co.: Hg= 0.031 +/- 0.006 ppm Fauquier Co.: Hg= 0.362 +/- 0.243 ppm Madison Co.: Hg= 0.016 +/- 0.004 ppm Sussex Co.: Hg= 0.119 +/- 0.173 ppm Warren Co.: Hg= 0.013 +/- 0.004 ppm Lawrence Co.: Hg= 0.022 +/- 0.004 ppm St. Charles Co.: Hg= 0.031 +/- 0.026 ppm Pendleton Co.: Hg= 0.028 +/- 0.007 ppm Talbot Co.: Hg= 0.592 +/- 0.436 ppm Prince William Co.: Hg= 0.588 +/- 0.221 Roane Co.: Hg= 0.038 +/- 0.008 ppm Switzerland Co.: Hg= 0.025 +/- 0.004 ppm Clay Co.: Hg= 0.011 +/- 0.001 ppm Jefferson Co.: Hg= 0.025 +/- 0.008 ppm Knox Co.: Hg= 0.021 +/- 0.005 ppm Braxton Co.: Hg= 0.043 +/- 0.003 ppm Martin Co.: Hg= 0.020 +/- 0.005 ppm Daviess Co.: Hg= 0.021 +/- 0.007 ppm St. Louis Co.: Hg= 0.028 +/- 0.010 ppm Pendleton Co.: Hg= 0.047 +/- 0.012 ppm Rappahannock Co.: Hg= 0.540 +/- 0.151 pp Gallatin Co.: Hg= 0.023 +/- 0.005 ppm Lawrence Co.: Hg= 0.017 +/- 0.005 ppm Richland Co.: Hg= 0.011 +/- 0.001 ppm Rockingham Co.: Hg= 0.040 +/- 0.010 ppm Lawrence Co.: Hg= 0.029 +/- 0.007 ppm Scott Co.: Hg= 0.031 +/- 0.005 ppm Page Co.: Hg= 0.198 +/- 0.114 ppm Bracken Co.: Hg= 0.030 +/- 0.003 ppm Marion Co.: Hg= 0.013 +/- 0.002 ppm Grant Co.: Hg= 0.043 +/- 0.008 ppm Washington Co.: Hg= 0.028 +/- 0.003 ppm St. Louis City Co.: Hg= 0.035 +/- 0.008 Calvert Co.: Hg= 1.170 +/- 0.478 ppm Mason Co.: Hg= 0.029 +/- 0.005 ppm Carroll Co.: Hg= 0.032 +/- 0.002 ppm Greenup Co.: Hg= 0.018 +/- 0.006 ppm Clinton Co.: Hg= 0.019 +/- 0.004 ppm Pocahontas Co.: Hg= 0.045 +/- 0.015 ppm Webster Co.: Hg= 0.040 +/- 0.004 ppm Trimble Co.: Hg= 0.034 +/- 0.007 ppm Lewis Co.: Hg= 0.021 +/- 0.004 ppm Owen Co.: Hg= 0.034 +/- 0.005 ppm Franklin Co.: Hg= 0.016 +/- 0.005 ppm Charles Co.: Hg= 0.287 +/- 0.100 ppm Dorchester Co.: Hg= 0.185 +/- 0.190 ppm Culpeper Co.: Hg= 0.628 +/- 0.257 ppm Orange Co.: Hg= 0.028 +/- 0.004 ppm Putnam Co.: Hg= 0.042 +/- 0.007 ppm Clay Co.: Hg= 0.040 +/- 0.008 ppm St. Clair Co.: Hg= 0.022 +/- 0.005 ppm Madison Co.: Hg= 0.198 +/- 0.161 ppm Kanawha Co.: Hg= 0.048 +/- 0.008 ppm Robertson Co.: Hg= 0.032 +/- 0.002 ppm Wayne Co.: Hg= 0.019 +/- 0.009 ppm Clark Co.: Hg= 0.039 +/- 0.010 ppm Cabell Co.: Hg= 0.042 +/- 0.005 ppm Henry Co.: Hg= 0.050 +/- 0.013 ppm Stafford Co.: Hg= 0.294 +/- 0.135 ppm Highland Co.: Hg= 0.048 +/- 0.010 ppm Harrison Co.: Hg= 0.072 +/- 0.035 ppm Edwards Co.: Hg= 0.020 +/- 0.012 ppm Wabash Co.: Hg= 0.020 +/- 0.005 ppm Wicomico Co.: Hg= 0.060 +/- 0.045 ppm Nicholas Co.: Hg= 0.032 +/- 0.006 ppm Pike Co.: Hg= 0.046 +/- 0.021 ppm Gibson Co.: Hg= 0.037 +/- 0.025 ppm Dubois Co.: Hg= 0.025 +/- 0.005 ppm Fleming Co.: Hg= 0.034 +/- 0.007 ppm Oldham Co.: Hg= 0.040 +/- 0.010 ppm Monroe Co.: Hg= 0.019 +/- 0.007 ppm Washington Co.: Hg= 0.018 +/- 0.004 ppm St. Marys Co.: Hg= 0.239 +/- 0.219 ppm Boyd Co.: Hg= 0.016 +/- 0.002 ppm Carter Co.: Hg= 0.013 +/- 0.002 ppm Jefferson Co.: Hg= 0.019 +/- 0.009 ppm Scott Co.: Hg= 0.101 +/- 0.074 ppm Augusta Co.: Hg= 0.077 +/- 0.054 ppm Jefferson Co.: Hg= 0.019 +/- 0.005 ppm Greene Co.: Hg= 0.054 +/- 0.012 ppm Nicholas Co.: Hg= 0.079 +/- 0.036 ppm Worcester Co.: Hg= 0.050 +/- 0.022 ppm Crawford Co.: Hg= 0.021 +/- 0.005 ppm Harrison Co.: Hg= 0.027 +/- 0.006 ppm Wayne Co.: Hg= 0.043 +/- 0.010 ppm Floyd Co.: Hg= 0.035 +/- 0.009 ppm King George Co.: Hg= 0.144 +/- 0.064 ppm Rowan Co.: Hg= 0.022 +/- 0.009 ppm Orange Co.: Hg= 0.086 +/- 0.052 ppm Jefferson Co.: Hg= 0.046 +/- 0.013 ppm Spotsylvania Co.: Hg= 0.434 +/- 0.207 pp Lincoln Co.: Hg= 0.047 +/- 0.011 ppm Franklin Co.: Hg= 0.052 +/- 0.012 ppm Bourbon Co.: Hg= 0.164 +/- 0.037 ppm Shelby Co.: Hg= 0.057 +/- 0.015 ppm Bath Co.: Hg= 0.040 +/- 0.020 ppm Somerset Co.: Hg= 0.077 +/- 0.025 ppm Westmoreland Co.: Hg= 0.042 +/- 0.024 pp Albemarle Co.: Hg= 0.091 +/- 0.032 ppm Lawrence Co.: Hg= 0.019 +/- 0.007 ppm Greenbrier Co.: Hg= 0.086 +/- 0.040 ppm Elliott Co.: Hg= 0.025 +/- 0.011 ppm Perry Co.: Hg= 0.017 +/- 0.003 ppm Bath Co.: Hg= 0.111 +/- 0.067 ppm Fayette Co.: Hg= 0.027 +/- 0.014 ppm White Co.: Hg= 0.056 +/- 0.017 ppm Hamilton Co.: Hg= 0.029 +/- 0.007 ppm Caroline Co.: Hg= 0.153 +/- 0.122 ppm Warrick Co.: Hg= 0.053 +/- 0.029 ppm Boone Co.: Hg= 0.035 +/- 0.009 ppm Posey Co.: Hg= 0.084 +/- 0.062 ppm Randolph Co.: Hg= 0.029 +/- 0.005 ppm Perry Co.: Hg= 0.021 +/- 0.006 ppm Crawford Co.: Hg= 0.031 +/- 0.014 ppm Fayette Co.: Hg= 0.168 +/- 0.091 ppm Washington Co.: Hg= 0.034 +/- 0.015 ppm Spencer Co.: Hg= 0.034 +/- 0.012 ppm Meade Co.: Hg= 0.029 +/- 0.008 ppm Montgomery Co.: Hg= 0.041 +/- 0.023 ppm Vanderburgh Co.: Hg= 0.077 +/- 0.077 ppm Essex Co.: Hg= 0.037 +/- 0.008 ppm Louisa Co.: Hg= 0.073 +/- 0.037 ppm Spencer Co.: Hg= 0.039 +/- 0.009 ppm Anderson Co.: Hg= 0.039 +/- 0.012 ppm Ste. Genevieve Co.: Hg= 0.025 +/- 0.010 Franklin Co.: Hg= 0.020 +/- 0.004 ppm Richmond Co.: Hg= 0.048 +/- 0.014 ppm Bullitt Co.: Hg= 0.025 +/- 0.007 ppm Morgan Co.: Hg= 0.072 +/- 0.029 ppm Clark Co.: Hg= 0.058 +/- 0.024 ppm Rockbridge Co.: Hg= 0.346 +/- 0.154 ppm St. Francois Co.: Hg= 0.031 +/- 0.012 pp Menifee Co.: Hg= 0.032 +/- 0.006 ppm Nelson Co.: Hg= 0.183 +/- 0.073 ppm Breckinridge Co.: Hg= 0.023 +/- 0.008 pp Northumberland Co.: Hg= 0.074 +/- 0.011 Accomack Co.: Hg= 0.066 +/- 0.023 ppm Logan Co.: Hg= 0.037 +/- 0.013 ppm Hanover Co.: Hg= 0.034 +/- 0.018 ppm Hardin Co.: Hg= 0.019 +/- 0.006 ppm Fluvanna Co.: Hg= 0.530 +/- 0.348 ppm Jessamine Co.: Hg= 0.058 +/- 0.022 ppm Johnson Co.: Hg= 0.026 +/- 0.006 ppm Hancock Co.: Hg= 0.027 +/- 0.011 ppm Nelson Co.: Hg= 0.027 +/- 0.006 ppm Raleigh Co.: Hg= 0.033 +/- 0.007 ppm Henderson Co.: Hg= 0.119 +/- 0.083 ppm Mingo Co.: Hg= 0.033 +/- 0.005 ppm King and Queen Co.: Hg= 0.039 +/- 0.019 Mercer Co.: Hg= 0.040 +/- 0.007 ppm Martin Co.: Hg= 0.032 +/- 0.005 ppm Alleghany Co.: Hg= 0.084 +/- 0.044 ppm Jackson Co.: Hg= 0.050 +/- 0.013 ppm Powell Co.: Hg= 0.029 +/- 0.006 ppm Daviess Co.: Hg= 0.033 +/- 0.008 ppm Madison Co.: Hg= 0.040 +/- 0.007 ppm Washington Co.: Hg= 0.034 +/- 0.004 ppm Gallatin Co.: Hg= 0.175 +/- 0.130 ppm King William Co.: Hg= 0.051 +/- 0.021 pp Saline Co.: Hg= 0.034 +/- 0.010 ppm Perry Co.: Hg= 0.031 +/- 0.008 ppm Goochland Co.: Hg= 0.135 +/- 0.107 ppm Union Co.: Hg= 0.566 +/- 0.258 ppm Magoffin Co.: Hg= 0.044 +/- 0.007 ppm Summers Co.: Hg= 0.034 +/- 0.019 ppm Williamson Co.: Hg= 0.023 +/- 0.007 ppm Wolfe Co.: Hg= 0.039 +/- 0.008 ppm Estill Co.: Hg= 0.025 +/- 0.006 ppm Lancaster Co.: Hg= 0.072 +/- 0.010 ppm Amherst Co.: Hg= 0.107 +/- 0.103 ppm Botetourt Co.: Hg= 0.076 +/- 0.098 ppm Buckingham Co.: Hg= 0.154 +/- 0.147 ppm Wyoming Co.: Hg= 0.030 +/- 0.004 ppm Dent Co.: Hg= 0.025 +/- 0.010 ppm Middlesex Co.: Hg= 0.081 +/- 0.060 ppm Floyd Co.: Hg= 0.040 +/- 0.007 ppm Cumberland Co.: Hg= 0.194 +/- 0.147 ppm Pike Co.: Hg= 0.032 +/- 0.005 ppm Iron Co.: Hg= 0.033 +/- 0.009 ppm Ohio Co.: Hg= 0.023 +/- 0.005 ppm Larue Co.: Hg= 0.023 +/- 0.005 ppm Monroe Co.: Hg= 0.050 +/- 0.015 ppm Marion Co.: Hg= 0.031 +/- 0.003 ppm Lee Co.: Hg= 0.025 +/- 0.005 ppm Boyle Co.: Hg= 0.043 +/- 0.005 ppm Henrico Co.: Hg= 0.030 +/- 0.011 ppm Breathitt Co.: Hg= 0.041 +/- 0.006 ppm Powhatan Co.: Hg= 0.052 +/- 0.029 ppm McLean Co.: Hg= 0.031 +/- 0.004 ppm Craig Co.: Hg= 0.063 +/- 0.027 ppm Webster Co.: Hg= 0.109 +/- 0.091 ppm Madison Co.: Hg= 0.033 +/- 0.006 ppm Lincoln Co.: Hg= 0.030 +/- 0.007 ppm New Kent Co.: Hg= 0.070 +/- 0.027 ppm Grayson Co.: Hg= 0.019 +/- 0.004 ppm Bedford Co.: Hg= 0.069 +/- 0.031 ppm Cape Girardeau Co.: Hg= 0.026 +/- 0.005 Reynolds Co.: Hg= 0.032 +/- 0.014 ppm Gloucester Co.: Hg= 0.101 +/- 0.063 ppm Johnson Co.: Hg= 0.037 +/- 0.005 ppm Union Co.: Hg= 0.032 +/- 0.003 ppm Pope Co.: Hg= 0.053 +/- 0.023 ppm Hardin Co.: Hg= 0.308 +/- 0.188 ppm Bollinger Co.: Hg= 0.030 +/- 0.005 ppm Mercer Co.: Hg= 0.049 +/- 0.010 ppm Jackson Co.: Hg= 0.021 +/- 0.003 ppm Hopkins Co.: Hg= 0.049 +/- 0.044 ppm Chesterfield Co.: Hg= 0.035 +/- 0.012 pp Northampton Co.: Hg= 0.040 +/- 0.013 ppm Appomattox Co.: Hg= 0.040 +/- 0.014 ppm Casey Co.: Hg= 0.026 +/- 0.007 ppm McDowell Co.: Hg= 0.043 +/- 0.012 ppm Crittenden Co.: Hg= 0.615 +/- 0.195 ppm Mathews Co.: Hg= 0.180 +/- 0.020 ppm Owsley Co.: Hg= 0.032 +/- 0.005 ppm Rockcastle Co.: Hg= 0.024 +/- 0.005 ppm Buchanan Co.: Hg= 0.034 +/- 0.019 ppm Knott Co.: Hg= 0.040 +/- 0.013 ppm Amelia Co.: Hg= 0.102 +/- 0.019 ppm Charles City Co.: Hg= 0.066 +/- 0.027 pp Taylor Co.: Hg= 0.028 +/- 0.003 ppm Giles Co.: Hg= 0.089 +/- 0.039 ppm Green Co.: Hg= 0.024 +/- 0.005 ppm James City Co.: Hg= 0.077 +/- 0.020 ppm Hart Co.: Hg= 0.024 +/- 0.008 ppm Perry Co.: Hg= 0.033 +/- 0.003 ppm Campbell Co.: Hg= 0.052 +/- 0.019 ppm Livingston Co.: Hg= 0.185 +/- 0.121 ppm Shannon Co.: Hg= 0.039 +/- 0.018 ppm Roanoke Co.: Hg= 0.054 +/- 0.018 ppm Muhlenberg Co.: Hg= 0.025 +/- 0.006 ppm Prince Edward Co.: Hg= 0.230 +/- 0.163 p Butler Co.: Hg= 0.020 +/- 0.004 ppm York Co.: Hg= 0.033 +/- 0.027 ppm Caldwell Co.: Hg= 0.375 +/- 0.226 ppm Montgomery Co.: Hg= 0.124 +/- 0.063 ppm Clay Co.: Hg= 0.032 +/- 0.014 ppm Pulaski Co.: Hg= 0.020 +/- 0.006 ppm Edmonson Co.: Hg= 0.026 +/- 0.009 ppm Tazewell Co.: Hg= 0.087 +/- 0.101 ppm Massac Co.: Hg= 0.040 +/- 0.010 ppm Laurel Co.: Hg= 0.037 +/- 0.006 ppm Alexander Co.: Hg= 0.031 +/- 0.006 ppm Pulaski Co.: Hg= 0.036 +/- 0.005 ppm Prince George Co.: Hg= 0.038 +/- 0.013 p Leslie Co.: Hg= 0.025 +/- 0.005 ppm Wayne Co.: Hg= 0.030 +/- 0.005 ppm Adair Co.: Hg= 0.024 +/- 0.003 ppm Dickenson Co.: Hg= 0.036 +/- 0.014 ppm Bland Co.: Hg= 0.047 +/- 0.009 ppm Nottoway Co.: Hg= 0.074 +/- 0.036 ppm Letcher Co.: Hg= 0.035 +/- 0.005 ppm Dinwiddie Co.: Hg= 0.034 +/- 0.012 ppm Scott Co.: Hg= 0.021 +/- 0.008 ppm Charlotte Co.: Hg= 0.046 +/- 0.024 ppm Surry Co.: Hg= 0.081 +/- 0.035 ppm Pulaski Co.: Hg= 0.066 +/- 0.050 ppm Franklin Co.: Hg= 0.034 +/- 0.007 ppm Ballard Co.: Hg= 0.042 +/- 0.013 ppm McCracken Co.: Hg= 0.049 +/- 0.011 ppm Wise Co.: Hg= 0.040 +/- 0.008 ppm Warren Co.: Hg= 0.033 +/- 0.012 ppm Russell Co.: Hg= 0.021 +/- 0.003 ppm Metcalfe Co.: Hg= 0.017 +/- 0.004 ppm Lyon Co.: Hg= 0.938 +/- 0.476 ppm Barren Co.: Hg= 0.026 +/- 0.010 ppm Christian Co.: Hg= 0.037 +/- 0.011 ppm Isle of Wight Co.: Hg= 0.064 +/- 0.035 p Russell Co.: Hg= 0.312 +/- 0.426 ppm Pittsylvania Co.: Hg= 0.036 +/- 0.015 pp Stoddard Co.: Hg= 0.024 +/- 0.007 ppm Floyd Co.: Hg= 0.038 +/- 0.009 ppm Hampton : Hg= 0.080 +/- 0.046 ppm Lunenburg Co.: Hg= 0.058 +/- 0.045 ppm Sussex Co.: Hg= 0.043 +/- 0.015 ppm Carter Co.: Hg= 0.033 +/- 0.010 ppm Todd Co.: Hg= 0.030 +/- 0.005 ppm Logan Co.: Hg= 0.030 +/- 0.009 ppm Wythe Co.: Hg= 0.051 +/- 0.014 ppm Mississippi Co.: Hg= 0.047 +/- 0.011 ppm Marshall Co.: Hg= 0.094 +/- 0.062 ppm Halifax Co.: Hg= 0.038 +/- 0.005 ppm Knox Co.: Hg= 0.040 +/- 0.007 ppm Norfolk : Hg= 0.376 +/- 0.021 ppm Virginia Beach : Hg= 0.370 +/- 0.073 ppm Brunswick Co.: Hg= 0.036 +/- 0.008 ppm Harlan Co.: Hg= 0.042 +/- 0.010 ppm Smyth Co.: Hg= 0.247 +/- 0.262 ppm Trigg Co.: Hg= 0.081 +/- 0.088 ppm Wayne Co.: Hg= 0.023 +/- 0.008 ppm Southampton Co.: Hg= 0.053 +/- 0.016 ppm Whitley Co.: Hg= 0.035 +/- 0.007 ppm McCreary Co.: Hg= 0.023 +/- 0.006 ppm Bell Co.: Hg= 0.054 +/- 0.014 ppm