Significant levels of p,p′-DDT, p,p′-DDE and p,p′-DDD in indoor air,
dust and outdoor soil were found up to 21 years after indoor spraying
in Oman. To the authors knowledge this is the first study in which the
cancer risk on human population was predicted years after DDT
spraying indoor in Oman. Results have shown that up to 16 years after
Collecting representative dust samples: A comparison of various
sampling methods in underground coal mines