Samples may undergo an examination.Logical formLearned from62 sentences. An age may pertain-to a sample.Logical formLearned from62 sentences. (Soil samples) may be collected.Logical formLearned from62 sentences. Samples may undergo analyes.Logical formLearned from62 sentences. Samples may undergo a contamination.Logical formLearned from61 sentences. Samples may pertain-to a country.Logical formLearned from61 sentences. A person may take a sample.Logical formLearned from61 sentences. Samples can be electronic.Logical formLearned from61 sentences. (Soil samples) may undergo an analysis.Logical formLearned from61 sentences. A sample can be constituted-of-or-filled-with sites.Logical formLearned from61 sentences. Samples may pertain-to a population.Logical formLearned from61 sentences. Samples may undergo tests.Logical formLearned from61 sentences. A sample may undergo a test.Logical formLearned from60 sentences. A proportion may pertain-to a sample.Logical formLearned from60 sentences. Extrapolation can be from a sample.Logical formLearned from60 sentences.