Cancer and non-cancer health risk assessment associated with exposure to non-methane hydrocarbons among roadside vendors in Delhi, India

Kumar, Ram Pravesh and Kashyap, Prabhat and Kumar, Ritesh and Pandey, Alok Kumar and Kumar, Amit and Kumar, Krishan (2020) Cancer and non-cancer health risk assessment associated with exposure to non-methane hydrocarbons among roadside vendors in Delhi, India. Human and Ecological Risk Assessment, 26 (5). pp. 1285-1299.

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Abstract

This study estimates the cancer and non-cancer health risk among the roadside vendors in Delhi, the capital city of India. Air samples of selected NMHCs and their derivatives were collected from four different sites (one traffic intersection, one industrial, and two residential) in Delhi and were analyzed on Gas Chromatograph (GC) to obtain their atmospheric concentrations. At each site, a survey among the roadside vendors was also conducted to obtain information about their bodyweight and exposure to outdoor ambient air. The study reveals that hazard quotient of 1,3-butadiene is greater than one at all the sites, with its maximum value occurring at the industrial site. The major contributors to the workplace cancer risk (WCR) are found to be 1,3-butadiene and chloroform. The overall WCR is observed to be the highest (9.4 × 10 −4) at the traffic intersection site, followed by the industrial site (7.0 × 10 −4). Cancer incidence data and the population data are also used to estimate the growth of cancer risk in Delhi from 2009 to 2016. Comparison of the WCR values of the four sites with the cancer risk estimated from the cancer incidence data shows that NMHCs and their derivatives are significant contributors to the overall cancer risk in Delhi. Our results suggest that NMHCs and their derivatives need to be given due consideration in the National Cancer Control Programme of India.

Item Type:
Journal Article
Journal or Publication Title:
Human and Ecological Risk Assessment
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2300/2307
Subjects:
?? NON-METHANE HYDROCARBONSHAZARD INDEXHEALTH RISKWORKPLACE CANCER RISKECOLOGICAL MODELLINGPOLLUTIONHEALTH, TOXICOLOGY AND MUTAGENESIS ??
ID Code:
173045
Deposited By:
Deposited On:
19 Jul 2022 09:40
Refereed?:
Yes
Published?:
Published
Last Modified:
20 Sep 2023 01:52