Commodities may undergo a sampling.Logical formLearned from3 sentences. Contrast can be to a sampling.Logical formLearned from3 sentences. (Research areas) may undergo a sampling.Logical formLearned from3 sentences. A survey may use sampling.Logical formLearned from3 sentences. Samplings can be valid.Logical formLearned from3 sentences. Sampling may depend on a (water quality concern).Logical formLearned from3 sentences. Identities may use (dna sampling).Logical formLearned from3 sentences. A (sampling theory) may pertain-to a person.Logical formLearned from3 sentences. Locations can be for sampling.Logical formLearned from3 sentences. (Sampling locations) can be longitudinal.Logical formLearned from3 sentences. Sampling may provide data.Logical formLearned from3 sentences. Data may be defined by (sampling techniques).Logical formLearned from3 sentences. Results may pertain-to a (ground water sampling).Logical formLearned from3 sentences. Sampling can be for contaminants.Logical formLearned from3 sentences. (Research projects) may undergo a sampling.Logical formLearned from3 sentences.