A sampling can be for dust.Logical formLearned from2 sentences. A form can be constituted-of-or-filled-with (area sampling).Logical formLearned from2 sentences. A sampling may be specified by a final rule.Logical formLearned from2 sentences. Methane may undergo a sampling.Logical formLearned from2 sentences. A person may perform a sampling.Logical formLearned from2 sentences. Responsibility can be for some (coal mine dust sampling).Logical formLearned from2 sentences. (Sampling units) can be approved.Logical formLearned from2 sentences. Sampling may provide (data representative) of (operating conditions).Logical formLearned from2 sentences. Confidence can be in a (dust sampling program).Logical formLearned from2 sentences. Sampling can be with methods.Logical formLearned from2 sentences. Persons may start a sampling.Logical formLearned from2 sentences. A cycle can be constituted-of-or-filled-with (area sampling).Logical formLearned from2 sentences. Sampling can be for (sulfur dioxide).Logical formLearned from2 sentences. Persons may do a sampling.Logical formLearned from2 sentences. An (operator compliance dust sampling program) may undergo a takeover.Logical formLearned from2 sentences.