Testing may involve (air sampling).Logical formLearned from2 sentences. Methods may be validated for sampling of biological agents.Logical formLearned from2 sentences. Sampling can be by (law enforcement).Logical formLearned from2 sentences. A concept of sampling may expand.Logical formLearned from2 sentences. Sampling can be by a (school district).Logical formLearned from2 sentences. (Food sampling programs) can be regional.Logical formLearned from2 sentences. Sampling can be appropriate for use.Logical formLearned from2 sentences. An estimation may be based upon a sampling.Logical formLearned from2 sentences. (Blood sampling procedures) can be repeated.Logical formLearned from2 sentences. A (blood sampling) can be chronic.Logical formLearned from2 sentences. (Water samples) may undergo a sampling.Logical formLearned from2 sentences. (Probability sampling) may undergo an application.Logical formLearned from2 sentences. A female may rely on sampling.Logical formLearned from2 sentences. A limitation of a type of sampling can be that something-is-the-case.Logical formLearned from2 sentences. Corrective actions may undergo a sampling.Logical formLearned from2 sentences.