Occupational exposure to carbon dioxide, ammonia and hydrogen sulphide on livestock farms in north-west Spain
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Título: | Occupational exposure to carbon dioxide, ammonia and hydrogen sulphide on livestock farms in north-west Spain |
Autor/a: | Barrasa Rioja, Martín Lamosa Quinteiro, Santiago Fernández Rodríguez, María Dolores Fernández Rodríguez, María Elena |
Centro/Departamento: | Universidade de Santiago de Compostela. Departamento de Enxeñaría Agroforestal Universidade de Santiago de Compostela. Departamento de Produción Vexetal e Proxectos de Enxeñaría |
Palabras chave: | Livestock farms | Harmful gases | Animal welfare | Occupational hygiene | |
Data: | 2012 |
Editor: | Institute of Rural Health |
Cita bibliográfica: | Barrasa, M., Lamosa, S., Fernandez, M. D., & Fernandez, E. (2012). Occupational exposure to carbon dioxide, ammonia and hydrogen sulphide on livestock farms in north-west Spain. Annals of Agricultural and Environmental Medicine, 19(1). |
Resumo: | The influence of the type of farming on harmful gas exposures to carbon dioxide (CO2 ), ammonia (NH3 ) and hydrogen sulfide (H2 S) was assessed from the perspective of animal welfare and occupational hygiene. Summer data of H2 S, NH3 and CO2 concentrations and of environmental parameters were collected from 31 farms. The indices of exposure for longterm exposures to NH3 suggest the lowest acceptability of exposure was observed on poultry farms. CO2 had the highest dependence on production activity. For H2 S, no differences were found based on farming activity. Both the stocking density and volume of air available affected the daily exposure and the index of exposure to CO2 . Significant differences were observed between hourly CO2 concentrations, depending on the level of activity inside the building. A positive correlation was found between gas concentrations and temperature increase. All values of daily and short-term exposures were below exposure limit values, which suggests that exposure conditions were appropriate for workers’ health during the measurement period. Analysis of the working hours and average hourly concentration of gases during the times of day, with presence of workers inside the farm buildings, revealed significant differences for CO2 . |
Versión do editor: | http://www.aaem.pl/Occupational-exposure-to-carbon-dioxide-ammonia-and-hydrogen-sulphide-on-livestock,71735,0,2.html |
URI: | http://hdl.handle.net/10347/22228 |
ISSN: | 1232-1966 |
E-ISSN: | 1898-2263 |
Dereitos: | © The Author(s) 2012. Open Access. This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Poland (CC BY-NC 3.0 PL) |
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