DUST POLLUTION AND ITS HEALTH RISKS AMONG ROCK QUARRY ...
QUARRY WORKERSIN KAJIADO COUNTY, KENYA. HALWENGE, JENNIFER ATIENO (BSc Envt Sci.) Reg. No. N50/CTY/PT/24874/2011 A thesis submitted in partial fulfillment of the requirements for the Degree of Master of Environmental Science in the School of Environmental Studies of Kenyatta University JULY 2015 . ii DECLARATION I hereby declare that this thesis .