A committee may call for (compliance sampling).Logical formLearned from2 sentences. A (compliance sampling) can be increased.Logical formLearned from2 sentences. An (operator sampling program) may undergo a takeover.Logical formLearned from2 sentences. (Dust sampling practices) may be aimed at hidding (dust levels).Logical formLearned from2 sentences. (Msha sampling) may be conducted at some percent of a production.Logical formLearned from2 sentences. (Abatement sampling) can be at underground mines.Logical formLearned from2 sentences. Operators may take sampling.Logical formLearned from2 sentences. A person may have sampling.Logical formLearned from2 sentences. Sampling may undergo a verification.Logical formLearned from2 sentences. Participation can be in an interim of an (operator dust sampling program).Logical formLearned from2 sentences. A date may pertain-to a (verification sampling).Logical formLearned from2 sentences. A type of sampling may shut_off machinery.Logical formLearned from2 sentences. Persons may talk about sampling.Logical formLearned from2 sentences. Miners may want sampling.Logical formLearned from2 sentences. Atmosphere may undergo a sampling.Logical formLearned from2 sentences.