Results of (air sampling) may be considered.Logical formLearned from2 sentences. Sampling can be for vapors.Logical formLearned from2 sentences. (Air sampling) can be for pentachlorophenol.Logical formLearned from2 sentences. (Sampling results) can be personal.Logical formLearned from2 sentences. (Action level concentrations) may be determined from (air sampling).Logical formLearned from2 sentences. (Sampling bags) may be used for dilution.Logical formLearned from2 sentences. Samples may be collected in (gas sampling bags).Logical formLearned from2 sentences. A recovery can be for a (gas sampling method).Logical formLearned from2 sentences. Sampling can be at humidities.Logical formLearned from2 sentences. (Detection limits) can be possible with (sampling loops).Logical formLearned from2 sentences. A sampling may show precision.Logical formLearned from2 sentences. Results may be obtained during sampling.Logical formLearned from2 sentences. (Sampling periods) can be specified.Logical formLearned from2 sentences. A sampling can be auxiliary.Logical formLearned from2 sentences. Information can be obtainable by sampling.Logical formLearned from2 sentences.