(Sampling plans) can be established.Logical formLearned from3 sentences. A sampling can be discretionary.Logical formLearned from3 sentences. (Soil sampling) may be conducted.Logical formLearned from3 sentences. Student may undergo a sampling.Logical formLearned from3 sentences. An (employee exposure monitoring program) may minimize (employer sampling burdens).Logical formLearned from3 sentences. Methods may use (polymer sampling tubes).Logical formLearned from3 sentences. (Polymer sampling tubes) can be porous.Logical formLearned from3 sentences. Variation can be attendant to sampling.Logical formLearned from3 sentences. Samplings can be monthly.Logical formLearned from3 sentences. Waveforms can be constituted-of-or-filled-with (sampling rates).Logical formLearned from3 sentences. A sampling can be causal.Logical formLearned from3 sentences. A (gas sampling device) may be used.Logical formLearned from3 sentences. A (gas sampling device) can be continuous.Logical formLearned from3 sentences. A sampling can be simulated.Logical formLearned from3 sentences. Methods may be based on (bridge sampling).Logical formLearned from3 sentences.