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New Hampshire "Short-term" Indoor Radon Concentrations By Town

Results from predictive modeling of New Hampshire indoor radon concentrations based on short-term screening measurments made in 1814 homes from 259 towns during the New Hampshire Radon Survey:

These data can be seen on a New Hampshire town-level map.

References and abstract from publication of results of this work .

Modeled geometric mean posterior predictions of short-term radon concentrations from for the 232 towns included in the NH State Radon Survey. These predictions are for the Town GMs of detached single-family dwellings with occupied basements, no forced-air-furnace, and a municipal water source. Town coefficients from this model are also presented. These are the mean of values of the coefficients derived for each town from each of 1200 Monte Carlo simulatons. For predicted GM short-term radon levels for the 27 towns which were not sampled in the NH State Radon Survey, click here.


Notes:

The standard error (std err) for the predicted town GMs is multiplicative while that for the town coefficients is additive in "log space". To convert from Bq/m3 to pCi/l, divide by 37.

New Predicted GM NH
Hampshire for Houses with Town
Town Basement Coefficients
Bq/m3 (std err) mean (std err)
ACWORTH 80 (1.31) -0.149 (0.264)
ALBANY 289 (1.42) 0.012 (0.318)
ALEXANDRIA 74 (1.33) -0.137 (0.28)
ALLENSTOWN 168 (1.31) 0.296 (0.261)
ALSTEAD 74 (1.34) -0.384 (0.287)
ALTON 73 (1.33) -0.039 (0.276)
AMHERST 113 (1.23) 0.11 (0.215)
ANDOVER 78 (1.29) 0.121 (0.251)
ANTRIM 34 (1.32) -0.251 (0.267)
ASHLAND 118 (1.32) -0.104 (0.266)
ATKINSON 118 (1.22) 0.126 (0.206)
AUBURN 111 (1.25) -0.035 (0.224)
BARNSTEAD 115 (1.37) 0.072 (0.304)
BARRINGTON 111 (1.28) -0.164 (0.241)
BARTLETT 273 (1.41) -0.008 (0.308)
BATH 72 (1.30) 0.016 (0.259)
BEDFORD 137 (1.22) 0.229 (0.204)
BELMONT 55 (1.27) -0.565 (0.237)
BENNINGTON 38 (1.31) -0.256 (0.269)
BENTON 82 (1.32) 0.183 (0.275)
BERLIN 123 (1.19) -0.068 (0.214)
BETHLEHEM 141 (1.33) -0.049 (0.281)
BOSCAWEN 50 (1.39) -0.14 (0.319)
BOW 97 (1.23) -0.033 (0.206)
BRADFORD 59 (1.41) 0.278 (0.325)
BRENTWOOD 119 (1.31) 0.022 (0.259)
BRIDGEWATER 97 (1.35) -0.004 (0.292)
BRISTOL 94 (1.31) -0.14 (0.266)
BROOKFIELD 105 (1.36) -0.065 (0.293)
BROOKLINE 96 (1.33) -0.215 (0.281)
CAAN 140 (1.33) 0.248 (0.283)
CAMPTON 74 (1.30) -0.281 (0.259)
CANDIA 129 (1.26) 0.014 (0.236)
CANTERBURY 77 (1.33) -0.076 (0.277)
CARROLL 169 (1.34) 0.233 (0.283)
CENTER HARBOR 45 (1.39) -0.163 (0.32)
CHARLESTOWN 77 (1.31) 0.194 (0.267)
CHATHAM 289 (1.45) -0.053 (0.32)
CHESTER 148 (1.28) 0.037 (0.243)
CHESTERFIELD 68 (1.31) 0.274 (0.267)
CHICHESTER 104 (1.40) 0.042 (0.325)
CLAREMONT 71 (1.30) 0.039 (0.259)
CLARKSVILLE 112 (1.44) 0.829 (0.348)
COLEBROOK 90 (1.31) 0.489 (0.268)
COLUMBIA 160 (1.39) 0.767 (0.321)
CONCORD 99 (1.22) -0.367 (0.235)
CONWAY 269 (1.31) 0.083 (0.272)
CORNISH 63 (1.32) -0.091 (0.269)
CROYDON 112 (1.33) 0.27 (0.282)
DALTON 87 (1.33) 0.115 (0.28)
DANBURY 71 (1.39) 0.175 (0.318)
DANVILLE 185 (1.34) 0.363 (0.287)
DEERFIELD 122 (1.23) 0.047 (0.213)
DEERING 43 (1.31) -0.351 (0.259)
DERRY 112 (1.21) -0.066 (0.193)
DIXVILLE 60 (1.39) -0.07 (0.323)
DORCHESTER 69 (1.35) -0.032 (0.291)
DOVER 96 (1.27) -0.26 (0.239)
DUBLIN 60 (1.33) -0.361 (0.282)
DUMMER 80 (1.37) 0.118 (0.304)
DUNBARTON 127 (1.30) 0.487 (0.255)
DURHAM 101 (1.27) -0.281 (0.24)
EAST KINGSTON 140 (1.31) 0.179 (0.268)
EASTON 62 (1.37) 0.152 (0.306)
EATON 238 (1.36) 0.514 (0.302)
EFFINGHAM 90 (1.36) 0.184 (0.298)
ELLSWORTH 70 (1.43) 0.081 (0.356)
ENFIELD 93 (1.34) 0.077 (0.281)
EPPING 123 (1.30) 0.235 (0.256)
EPSOM 95 (1.35) -0.107 (0.293)
ERROL 78 (1.39) 0.313 (0.314)
EXETER 79 (1.28) -0.369 (0.25)
FARMINGTON 146 (1.32) 0.228 (0.276)
FITZWILLIAM 70 (1.34) -0.395 (0.288)
FRANCESTOWN 48 (1.37) -0.085 (0.307)
FRANCONIA 96 (1.37) 0.002 (0.302)
FRANKLIN 78 (1.24) -0.021 (0.213)
FREEDOM 193 (1.41) 0.777 (0.332)
FREMONT 113 (1.35) 0.071 (0.288)
GILFORD 90 (1.28) -0.016 (0.246)
GILMANTON 72 (1.31) -0.24 (0.263)
GILSUM 85 (1.32) -0.02 (0.268)
GOFFSTOWN 96 (1.24) -0.102 (0.216)
GORHAM 281 (1.24) 0.246 (0.236)
GOSHEN 67 (1.31) -0.172 (0.262)
GRANTHAM 80 (1.34) 0.061 (0.287)
GREENFIELD 65 (1.32) 0.086 (0.266)
GREENLAND 95 (1.30) -0.224 (0.256)
GREENVILLE 108 (1.33) 0.353 (0.279)
GROTON 71 (1.36) -0.339 (0.298)
HAMPSTEAD 124 (1.23) 0.107 (0.203)
HAMPTON 157 (1.32) 0.437 (0.27)
HAMPTON FALLS 100 (1.34) 0.018 (0.283)
HANCOCK 37 (1.37) -0.213 (0.301)
HANOVER 54 (1.24) -0.534 (0.226)
HARRISVILLE 43 (1.30) -0.491 (0.261)
HARTS LOCATION 571 (1.48) 0.819 (0.354)
HAVERHILL 95 (1.23) 0.33 (0.203)
HEBRON 118 (1.38) -0.209 (0.321)
HENNIKER 56 (1.27) -0.157 (0.24)
HILL 85 (1.35) -0.092 (0.292)
HILLSBOROUGH 35 (1.24) -0.302 (0.224)
HINSDALE 82 (1.26) -0.052 (0.236)
HOLDERNESS 69 (1.36) -0.066 (0.299)
HOLLIS 138 (1.20) 0.09 (0.184)
HOOKSETT 101 (1.24) -0.272 (0.225)
HOPKINTON 42 (1.34) -0.328 (0.288)
HUDSON 136 (1.22) -0.074 (0.2)
JACKSON 298 (1.41) 0.067 (0.309)
JAFFREY 77 (1.25) -0.189 (0.217)
JEFFERSON 88 (1.36) -0.259 (0.293)
KEENE 50 (1.19) -0.019 (0.192)
KENSINGTON 131 (1.34) 0.218 (0.29)
KINGSTON 114 (1.26) -0.068 (0.23)
LACONIA 77 (1.25) -0.442 (0.239)
LANCASTER 85 (1.25) -0.063 (0.236)
LANDAFF 52 (1.41) -0.128 (0.333)
LANGDON 102 (1.43) 0.142 (0.352)
LEBANON 114 (1.18) 0.222 (0.173)
LEE 154 (1.36) 0.192 (0.301)
LEMPSTER 61 (1.33) -0.186 (0.275)
LINCOLN 156 (1.47) -0.136 (0.352)
LISBON 97 (1.39) 0.327 (0.316)
LITCHFIELD 81 (1.23) -0.42 (0.207)
LITTLETON 72 (1.25) -0.002 (0.221)
LONDONDERRY 135 (1.24) 0.068 (0.217)
LOUDON 76 (1.33) -0.315 (0.279)
LYMAN 75 (1.32) 0.235 (0.273)
LYME 76 (1.36) 0.006 (0.3)
LYNDEBOROUGH 104 (1.28) 0.298 (0.244)
MADBURY 109 (1.34) -0.218 (0.281)
MADISON 209 (1.39) 0.304 (0.31)
MANCHESTER 121 (1.16) 0.076 (0.193)
MARLBOROUGH 84 (1.30) 0.057 (0.259)
MARLOW 75 (1.41) 0.073 (0.336)
MASON 121 (1.32) 0.123 (0.268)
MEREDITH 77 (1.28) -0.392 (0.255)
MERRIMACK 90 (1.18) -0.232 (0.181)
MIDDLETON 123 (1.36) 0.065 (0.3)
MILAN 85 (1.35) 0.029 (0.3)
MILFORD 113 (1.27) 0.069 (0.243)
MILTON 91 (1.31) -0.051 (0.259)
MONROE 51 (1.35) -0.122 (0.296)
MONT VERNON 79 (1.31) 0.047 (0.266)
MOULTONBOROUGH 40 (1.38) -0.19 (0.309)
NASHUA 137 (1.16) 0.033 (0.161)
NELSON 48 (1.33) -0.383 (0.281)
NEW BOSTON 77 (1.32) 0.123 (0.272)
NEW CASTLE 121 (1.30) 0.017 (0.263)
NEW DURHAM 206 (1.32) 0.26 (0.271)
NEW HAMPTON 129 (1.42) -0.06 (0.329)
NEW IPSWICH 97 (1.29) 0.074 (0.246)
NEW LONDON 111 (1.33) -0.111 (0.277)
NEWBURY 72 (1.35) 0.17 (0.293)
NEWINGTON 104 (1.33) -0.185 (0.286)
NEWMARKET 123 (1.32) 0.007 (0.28)
NEWPORT 88 (1.33) 0.017 (0.278)
NEWTON 146 (1.28) 0.333 (0.243)
NORTH HAMPTON 137 (1.25) 0.191 (0.225)
NORTHFIELD 55 (1.30) -0.457 (0.263)
NORTHUMBERLAND 130 (1.36) 0.355 (0.3)
NORTHWOOD 121 (1.28) -0.134 (0.243)
NOTTINGHAM 115 (1.29) -0.024 (0.252)
ORANGE 82 (1.33) 0.003 (0.278)
ORFORD 77 (1.42) -0.015 (0.339)
OSSIPEE 88 (1.34) 0.245 (0.284)
PELHAM 114 (1.24) -0.005 (0.216)
PEMBROKE 87 (1.28) 0.267 (0.248)
PETERBOROUGH 47 (1.25) -0.265 (0.22)
PIERMONT 75 (1.35) 0.002 (0.29)
PITTSBURG 56 (1.39) 0.217 (0.309)
PITTSFIELD 70 (1.37) -0.351 (0.311)
PLAINFIELD 43 (1.31) -0.47 (0.269)
PLAISTOW 118 (1.28) -0.007 (0.243)
PLYMOUTH 137 (1.24) -0.027 (0.226)
PORTSMOUTH 109 (1.16) -0.086 (0.163)
RANDOLPH 166 (1.37) 0.123 (0.303)
RAYMOND 107 (1.29) -0.052 (0.251)
RICHMOND 48 (1.32) -0.099 (0.271)
RINDGE 88 (1.31) -0.016 (0.265)
ROCHESTER 99 (1.15) -0.019 (0.148)
ROLLINSFORD 105 (1.30) -0.342 (0.262)
ROXBURY 78 (1.38) -0.092 (0.31)
RUMNEY 117 (1.31) 0.189 (0.266)
RYE 153 (1.25) 0.258 (0.227)
SALEM 80 (1.21) -0.236 (0.194)
SALISBURY 42 (1.36) -0.103 (0.292)
SANBORNTON 66 (1.36) -0.319 (0.301)
SANDOWN 97 (1.31) -0.278 (0.268)
SANDWICH 84 (1.40) 0.065 (0.329)
SEABROOK 87 (1.30) -0.018 (0.259)
SHARON 102 (1.30) 0.004 (0.257)
SHELBURNE 451 (1.39) 0.088 (0.332)
SOMERSWORTH 145 (1.28) 0.073 (0.255)
SOUTH HAMPTON 121 (1.35) 0.19 (0.29)
SPRINGFIELD 64 (1.35) -0.282 (0.293)
STARK 168 (1.36) 0.31 (0.303)
STEWARTSTOWN 63 (1.37) 0.147 (0.303)
STODDARD 36 (1.35) -0.395 (0.295)
STRAFFORD 146 (1.31) 0.206 (0.256)
STRATFORD 195 (1.41) 0.671 (0.332)
STRATHAM 127 (1.28) 0.193 (0.247)
SUGAR HILL 54 (1.34) -0.309 (0.294)
SULLIVAN 61 (1.36) -0.247 (0.3)
SUPEE 73 (1.32) -0.163 (0.274)
SURRY 79 (1.29) 0.142 (0.251)
SUTTON 41 (1.34) -0.175 (0.279)
SWANZEY 36 (1.27) -0.113 (0.229)
TAMWORTH 235 (1.31) 0.687 (0.26)
TEMPLE 83 (1.30) 0.038 (0.258)
THORNTON 92 (1.37) 0.086 (0.311)
TILTON 56 (1.29) -0.378 (0.251)
TROY 58 (1.34) -0.227 (0.287)
TUFTONBORO 68 (1.39) 0.03 (0.313)
UNITY 56 (1.33) -0.29 (0.279)
WAKEFIELD 117 (1.39) 0.276 (0.311)
WALPOLE 62 (1.30) -0.378 (0.258)
WARNER 53 (1.32) -0.007 (0.274)
WARREN 80 (1.33) 0.075 (0.275)
WASHINGTON 49 (1.38) -0.042 (0.315)
WEARE 63 (1.31) 0.009 (0.269)
WEBSTER 38 (1.31) -0.072 (0.265)
WENTWORTH 64 (1.34) -0.167 (0.282)
WESTMORELAND 50 (1.32) -0.014 (0.272)
WHITEFIELD 99 (1.33) -0.061 (0.286)
WILMOT 64 (1.36) 0.141 (0.291)
WILTON 97 (1.35) 0.107 (0.291)
WINCHESTER 80 (1.34) 0.4 (0.281)
WINDHAM 94 (1.23) -0.147 (0.207)
WINDSOR 40 (1.44) -0.177 (0.348)
WOLFEBORO 46 (1.29) -0.335 (0.259)
WOODSTOCK 129 (1.39) 0.697 (0.32)


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