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- W199175263 abstract "Several simultaneous sets of air samples for hydrogen sulfide, carbon monoxide, cyclohexane extractable particles, and cyclohexane extractable vapors were collected at two coal gasifiers. The cyclohexane extracts were analyzed to determine the air concentrations of six polycyclic aromatic hydrocarbon (PAH) fractions in addition to determining total extractable levels. Estimates of air concentrations were examined to determine the correlation between set elements. Results of this analysis were used to evaluate set elements as possible indicator substances for monitoring worker exposure to process fugitive emissions. In general, set elements of the same physical state, either particulate or vapor, correlated better with each other than with elements of unlike states. The potential indicator relationships found in the study relate individual PAH fractions to other individual PAH fractions of the same physical state and to the total PAH fractions of the same physical state. No correlation was found between levels of materials measured and either CO or cyclohexane extractable levels. H/sub 2/S levels were below minimum measurable levels of 0.5 ppM so that no correlation determination could be made between H/sub 2/S and other materials measured. These results suggest that CO is probably not a suitable indicator substance for the conditions studied. The usemore » of individual PAH fractions as indicators of other individual PAH fraction levels and of total PAH fraction levels was found to be technically feasible, but of limited value.« less" @default.
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- W199175263 date "1982-09-01" @default.
- W199175263 modified "2023-09-27" @default.
- W199175263 title "Correlation analysis of workplace air-sampling data collected at coal gasifiers" @default.
- W199175263 hasPublicationYear "1982" @default.
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