An Assessment of Indoor Air Quality (IAQ) in Metal industries of Delhi

An Assessment of Indoor Air Quality (IAQ) in Metal industries of Delhi



Malvika Khullar, Dr. Puja Gupta



With growing realization and concern for our health,
the focus on Indoor Air Quality has increased. Exposure to indoor air
pollution is responsible for nearly 2 million excess deaths in
developing countries and for some 4% of the global burden of disease.
Today it is critical that the industry be familiar with the
environmental hazards that employees are subjected to in the workplace.
Iron & steel and other manufacturing industries, foundries and
forges produce a lot of pollutants in the indoor environment. Exposures
to mineral dusts, metal fumes, products of combustion, resin bonding
systems, physical noise and heat and vibration hazards may seriously
impact the health of workers in foundries.
The study aimed at assessing Indoor Air Quality in Metal industries of
Delhi in Mayapuri industrial area. The study was carried out in 3
phases. In the first phase, the study collated awareness about Indoor
Air Quality and related health effects amongst the owners and employees
working in the enterprises. In the second phase, the study involved
monitoring of the randomly selected enterprises in terms of CO2, PM2.5,
PM10 and presence of dampness and molds in the enterprises. The third
phase involved spreading awareness regarding Indoor Air Quality amongst
the sample.
Highlights of the study are:
Majority of the owners were aware about the concept of Indoor Air
Quality and its relationship with productivity and health of a person.
They could also cite some of the health impacts caused due to poor
Indoor Air Quality. In spite of their wisdom on Indoor Air Quality,
there were no monitoring and maintenance provisions in their
enterprises.
Also, none of the owners provided their employees personal protective
equipment (PPE) and any information or training regarding Indoor Air
Quality and its health hazards.
Majority of the employees were unaware of the concept of Indoor Air
Quality. The employees could neither relate health with Indoor Air
Quality nor showed any interest in improving the same.
It was seen that there was a moderately high level of CO2 concentrations
in the enterprises, mainly due to insufficient ventilation in the
enterprises.
PM2.5 concentrations were found to be poor and were almost double than
its acceptable limits. While it was seen that PM10 concentrations were
within their acceptable limits.
It was observed that in majority enterprises presence of molds and
dampness was observed. It was observed on walls and ceilings. The areas
near the walls and places with molds were surrounded by a bad odor.
This study has been helpful in providing clear direction towards the
Indoor Air Quality in Metal industries operating in Mayapuri. It also
highlights the awareness regarding Indoor Air Quality amongst the
sample. The study concludes that there is a sense of knowledge regarding
Indoor Air Quality amongst the owners/managers of the enterprises but a
huge scope in monitoring and maintenance provisions. The need for
spreading awareness about IAQ and its related health effects were
highlighted which would improve Indoor Air Quality in industries. The
study showcased a clear scope for awareness generation and training
amongst the owners and employees of the enterprises regarding Indoor Air
Quality. The study suggests surveying of health status in metal
industries and similar research in other industries. The findings were
also shared with competent authorities to sensitize them towards poor
Indoor Air Quality in the metal industries. 



10.22161/ijeab/2.1.67



http://ijeab.com/upload_document/issue_files/67%20IJEAB-FEB-2017-28-An%20Assessment%20of%20Indoor%20Air%20Quality%20(IAQ)%20in%20Metal%20industries%20of%20Delhi.pdf



http://ijeab.com/submit-paper/

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