| County Information Regarding Radon Levels | Printed: Tuesday, July 06, 2004 |
| Total # | Average | Total # | Average |
| County | Readings | pCi/L | County | Readings | pCi/L |
| Alamance | 62 | 0.92 | JONES | 63 | 1.00 |
| ALEXANDER | 22 | 2.09 | LEE | 135 | 1.19 |
| ALLEGHANY | 18 | 5.67 | LENOIR | 22 | 0.39 |
| ANSON | 96 | 1.29 | LINCOLN | 50 | 3.26 |
| ASHE | 42 | 3.22 | MACON | 71 | 2.85 |
| AVERY | 61 | 3.69 | MADISON | 15 | 1.46 |
| BEAUFORT | 22 | 0.79 | MARTIN | 11 | 0.74 |
| BERTIE | 98 | 1.01 | MCDOWELL | 39 | 2.98 |
| BLADEN | 7 | 0.60 | MECKLENBURG | 275 | 1.06 |
| BRUNSWICK | 15 | 0.33 | MITCHELL | 23 | 7.27 |
| BUNCOMBE | 243 | 4.95 | MONTGOMERY | 15 | 1.43 |
| BURKE | 55 | 2.53 | MOORE | 42 | 2.08 |
| CABARRUS | 56 | 1.87 | NASH | 100 | 1.03 |
| CALDWELL | 59 | 2.31 | NEW HANOVER | 74 | 0.54 |
| CAMDEN | 11 | 1.54 | NORTHAMPTON | 23 | 2.71 |
| CARTERET | 27 | 0.38 | ONSLOW | 44 | 0.87 |
| CASWELL | 105 | 2.77 | ORANGE | 97 | 1.87 |
| CATAWBA | 114 | 2.03 | PASQUOTANK | 13 | 0.28 |
| CHATHAM | 26 | 1.10 | PENDER | 13 | 1.00 |
| CHEROKEE | 25 | 4.41 | PERQUIMANS | 13 | 0.58 |
| CHOWAN | 16 | 0.74 | PERSON | 15 | 2.43 |
| CLAY | 17 | 3.67 | PITT | 42 | 0.59 |
| CLEVELAND | 347 | 3.47 | POLK | 27 | 3.48 |
| COLUMBUS | 19 | 0.37 | RANDOLPH | 50 | 1.62 |
| CRAVEN | 20 | 0.59 | RICHMOND | 16 | 1.02 |
| CUMBERLAND | 98 | 1.04 | ROBESON | 25 | 0.64 |
| CURRITUCK | 14 | 0.45 | ROCKINGHAM | 73 | 3.98 |
| DARE | 16 | 0.32 | ROWAN | 50 | 1.22 |
| DAVIDSON | 65 | 2.04 | RUTHERFORD | 149 | 2.57 |
| DAVIE | 30 | 2.15 | SAMPSON | 21 | 0.66 |
| DUPLIN | 11 | 0.47 | SCOTLAND | 15 | 0.98 |
| DURHAM | 230 | 1.23 | STANLY | 37 | 2.56 |
| EDGECOMBE | 43 | 0.86 | STOKES | 119 | 2.70 |
| FORSYTH | 433 | 3.53 | SURRY | 100 | 2.18 |
| FRANKLIN | 23 | 3.11 | SWAIN | 26 | 3.46 |
| GASTON | 325 | 3.01 | TRANSYLVANIA | 46 | 6.08 |
| GATES | 74 | 0.98 | TYRRELL | 14 | 0.35 |
| GRAHAM | 12 | 3.52 | UNION | 25 | 1.10 |
| GRANVILLE | 25 | 1.20 | VANCE | 33 | 2.14 |
| GREENE | 13 | 0.67 | WAKE | 791 | 2.32 |
| GUILFORD | 381 | 2.16 | WARREN | 13 | 3.71 |
| HALIFAX | 18 | 1.65 | WASHINGTON | 16 | 0.98 |
| HARNETT | 19 | 0.62 | WATAUGA | 144 | 8.06 |
| HAYWOOD | 129 | 3.50 | WAYNE | 13 | 0.96 |
| HENDERSON | 251 | 6.68 | WILKES | 80 | 2.66 |
| HERTFORD | 8 | 0.34 | WILSON | 98 | 1.24 |
| HOKE | 6 | 0.53 | YADKIN | 30 | 2.42 |
| HYDE | 10 | 0.36 | YANCEY | 10 | 2.44 |
| IREDELL | 84 | 2.27 |
| JACKSON | 48 | 2.51 |
| JOHNSTON | 15 | 0.48 |