ID (ISN) del documento | 37766 |
Número CIS |
82-1013 |
ISSN - Título de la serie |
0025-7818 - Medicina del lavoro |
Año |
1981 |
Número de serie |
|
Autor(es) |
Carelli G., Bernardini P.L., La Bua R., Rimatori V., Iannaccone A. |
Título |
Occupational exposure to arsenic in a chemical plant: Health hazard evaluation after elimination of arsenic from the process |
Título original |
Esposizione professionale ad arsenico in un impianto chimico: Valutazione del rischio dopo eliminazione dell'arsenico dal ciclo tecnologico [en italiano] |
Información bibliográfica |
Nov.-Dec. 1981, Vol.72, No.6, p.473-479. Illus. 17 ref. |
Resumen |
In 1978 an alkaline solution of sodium arsenite was used to remove hydrogen sulfide from natural gas in a chemical plant. Arsenic (As) was eliminated from the desulfurisation process in 1979 and environmental contamination by As was determined in 1981. Air concentrations were in the range 0.0005 - 0.125µg/m3, well below recommended safety levels. Concentrations of <2540mg/m2 were found in ground samples extracted with 2% sodium carbonate solution. In a soil core sample the As value was 0.55±0.09mg/kg at 0.6-1.8m depth but decreased from floor level to 0.6m depth. |
Descriptores (primarios) |
arsénico; extracción de petróleo y gas natural; arsenito sódico |
Descriptores (secundarios) |
sulfuro de hidrógeno; polución ambiental; valoración de la exposición |
Tipo de documento |
D - Artículos periódicos |
Tema(s) |
Sustancias tóxicas y peligrosas
|
Broad subject area(s) |
|
Navegación por categoria(s) |
Inorganic substances Petroleum and natural gas industry Arsenic and compounds
|