organochlorine pesticides and metabolites in young leaves of mangifera indica from sites near a point source in coast region, tanzania. | young leaves of mangifera indica (mango tree) from nine sites were used as bioindicators of local atmospheric contamination by organochlorine pesticides and metabolites from a point source, an old storage site at vikuge farm in tanzania. sample extracts were analysed by gc-ecd and gc-ms. the concentrations ranged 2.7-649 ng g(-1)p,p'-ddt, below detection limit (bdl)-290 ng g(-1) o,p'-ddt, 0.4-13 ng g(-1) p,p'-dde, bdl to 4 ng g(-1) o,p'-dde, 1-231 ng g(-1) p,p'-ddd and 0.5-55 ng g(-1) o,p'-ddd. ... | 2007 | 17395245 |