Strata and number of samples per stratum chosen for the characterization of the population of campaign 2.
|a Co-60 in Bq/g||Stratum||N h||n h|
|a Co-60 ≤ 0.01||1||49||–|
|0.01 < a Co-60 ≤ 0.1||2||99||2|
|0.1 < a Co-60 ≤ 0.3||3||68||4|
|a Co-60 > 0.3||4||13||34|
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