1.[1-13]Distribution and Ecotoxicological Risk Assessment of Persistent Organic Pollutants (POPs) In River Sediments from Delhi, India-

Advances in Life Science and Technology www. iiste. org ISSN 2224-7181 (Paper) ISSN 2225-062X (Online) Vol 1, 2011 1 | P a g e www. iiste. org Distribution and Ecotoxicological Risk Assessment of Persistent Organic Pollutants (POPs) In River Sediments from... More

Advances in Life Science and Technology www. iiste. org ISSN 2224-7181 (Paper) ISSN 2225-062X (Online) Vol 1, 2011 1 | P a g e www. iiste. org Distribution and Ecotoxicological Risk Assessment of Persistent Organic Pollutants (POPs) In River Sediments from Delhi, India Kumar Bhupander* , Mishra Meenu, Goel Gargi, Gaur Richa, Singh Satish Kumar, Prakash Dev, Kumar Sanjay and Sharma Chandra Shekhar National Reference Trace Organics Laboratory, Central Pollution Control Board, Arjun Nagar, Delhi-110032, India * Corresponding author:bhupander_kumar@yahoo. com Abstract Persistent organochlorine pesticides (OCPs) like hexachlorocyclohexane (HCH), and dichlorodiphenyltrichloroethane (DDT) and polychlorinated biphenyls (PCBs) and their ecotoxicological risks were investigated in river bank sediments from Yamuna in Delhi, India. The concentration of ∑HCH, ∑DDT and ∑PCBs ranges between 19. 25-731. 82 (208. 17±20. 66) ng g-1 , <0. 01-21. 21 (1. 32±0. 36) ng g-1 and 0. 16 to 30. 05 (7. 69±0. 90) Less