k:\inbasket\trs\environmental\radon in bc schools summary with 200 bq june 07.doc Item # 3185

Table 1

RRRaaadddooonnn iiinnn IIInnnttteeerrriiiooorrr BBBCCC SSSccchhhoooooolllsss District Number of

SCHOOLS

Mean Radon Conc. In Bq/m3

Max. Radon Conc. in Bq/m3

No. of SCHOOLS

Above 200 Bq/m3

No. of SCHOOLS above 750

Bq/m3

Kelowna 46 37 396 1 0

Okanagan Similkameen SD

S. Okanagan 7 81 337 1 0

Keremeos 4 65 259 1 0

Kootenay - Columbia SD

Castlegar * 13 100 855 3 2

1413

Trail 15 57 311 1 0

Prince George 44 30 241 1 0

Shuswap 28 50 302 1 0

North Thompson 10 137 422 4 0

Boundary SD

Kettle Valley 6 108 1430 3 1

Grand Forks 8 53 192 0 0

Okanagan - Skaha SD

Penticton 18 38 279 1 0

Summerland 4 46 133 0 0

Kootenay Lake SD

Nelson 20 164 1236 3 1

Creston 13 252 3237 1 1

Arrow Lakes 7 75 241 1 0

Vernon 20 57 189 0 0

Rocky Mountain SD

Invermere 9 145 455 3 0

Kimberly 9 88 247 3 0

Golden 10 46 126 0 0

Southeast Kootenay SD

Fernie 12 65 618 1 0

Nicola-Similkameen 6 105 296 2 0

Nechako Lakes SD

Bulkley Valley 11 37 67 0 0

Nechako 22 30 104 0 0 Chilcotin-Cariboo SD 33 24 104 0 0

Summary 375 66 3237 31 5 Total Average Maximum Total Total

* includes school board office