Centro de Investigaciones del Medio Ambiente (CIMA), Facultad de Ciencias Exactas, UNLP, 47 y 115, 1900, La Plata, Argentina.
Centro de Investigación y Desarrollo en Ciencias Aplicadas (CINDECA, UNLP-CONICET), 47 e/ 1 y 115, 1900, La Plata, Argentina.
Environ Sci Pollut Res Int. 2018 Mar;25(9):8487-8496. doi: 10.1007/s11356-017-1101-0. Epub 2018 Jan 7.
In order to estimate air quality at work environments from small and medium-sized enterprises (SMEs), we determined both the concentration of particulate matter (PM and PM) and the presence of polycyclic aromatic hydrocarbons (PAHs), as the heavy metals in the composition of the particulate matter. Three SMEs located in the city of La Plata, Argentina, were selected: an electromechanical repair and car painting center (ERCP), a sewing work room (SWR), and a chemical analysis laboratory (CAL). The results evidenced high levels of PM exceeding the limits allowed by the USEPA and the presence of benzo(k)fluoranthene in all the analyzed sites and benzo(a)pyrene in the most contaminated site (ERCP). Regarding metals, the presence of Cd, Ni, Cu, Pb, and Mn, mainly in the fraction of PM, in the same workplace was found. As far as risk assessment at all the workplaces surveyed is concerned, risk values for contracting cancer throughout life for exposed workers (LCR) did not comply with the parameters either of USEPA or of WHO (World Health Organization).
为了从中小企业 (SME) 估算工作环境中的空气质量，我们测定了颗粒物（PM 和 PM）的浓度和多环芳烃（PAHs）的存在情况，因为颗粒物的组成中含有重金属。在阿根廷拉普拉塔市选择了三个中小企业：机电维修和汽车喷漆中心（ERCP）、缝纫车间（SWR）和化学分析实验室（CAL）。结果表明，PM 的浓度很高，超过了 USEPA 允许的限值，并且在所分析的所有地点都存在苯并（k）荧蒽，在污染最严重的地点（ERCP）还存在苯并（a）芘。关于金属，在同一工作场所发现了 Cd、Ni、Cu、Pb 和 Mn，主要存在于 PM 分馏物中。就所有调查工作场所的风险评估而言，接触暴露工人的终生癌症风险值（LCR）既不符合 USEPA 也不符合世界卫生组织（WHO）的参数。
