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Generally, the predicted concentrations were found to be lower than the permissible limit values, with the maximum ground-level concentrations being found much closer to the plant. On the basis of this study, it can be stated that the Oman LNG plant would not cause any significant deterioration...
(2008) reported that exposure to high O3 levels greater than 90 parts per billion (ppb) (permissible limit) hourly averages is linked to respiratory problems. Similarly, due to phyto- toxic nature of O3 greater than 40 ppb (threshold limit) has the potential to cause adverse impacts on ...
The Occupational Safety and Health Administration (OSHA) have set a permissible exposure levels for NOx by 5 ppm [2], and the threshold concentration of NO2 in air is 3 ppm as listed in the safety standards by the American Conference of Governmental Industrial Hygienists [3]. Moreover, the...
OSHA Permissible Exposure Limit (PEL) No limits set by OSHA OSHA PEL Vacated 1989 No limits set by OSHA NIOSH Recommended Exposure Limit (REL) No limits set by NIOSH Levels In Humans:Note: this data represents naturally occuring levels of elements in the typical human, it DOES NOT represent...
it is preferred that the nitrogen-containing carbon material include the 1,10-phenanthroline structure. The nitrogen-containing carbon material including the 1,10-phenanthroline structure is especially useful in the fields of a lithium sulfur battery, a carbon dioxide sensor, a redox reaction, a cata...
Nitrogen dioxide at concentrations of 10 to 20 ppm is mildly irritating to the eyes; higher concentrations of the gas and liquid NO2-N2O4 are highly corrosive to the skin, eyes, and mucous membranes. Nitrogen dioxide can be detected below the permissible exposure limit by its odor and ...
Detectable exposures to NO and NO[sub 2] were brief, infrequent, and well below Occupational Safety and Health Administration permissible exposure limits or any other exposure guideline, eg, American Conference of Governmental Hygienists Threshold Limit Values. Pediatrics 1999;104:1095-1100; ...
highly corrosive to the skin, eyes, and mucous membranes. Nitrogen dioxide can be detected below the permissible exposure limit by its odor and irritant effects and is regarded as a substance with adequate warning properties. Animal testing indicates that nitrogen dioxide does not have carcinogenic ...