Online ISSN: 2515-8260

Author : Adilov, Utkir


PECULIARITIES OF HYGIENIC ASSESSMENT OF WORKING CONDITIONS OF WORKERS ENGAGED IN OPENCAST AND UNDERGROUND MINING OF BROWN COAL AND IN UNDERGROUND MINING OF HARD COAL

Utkir Adilov

European Journal of Molecular & Clinical Medicine, 2020, Volume 7, Issue 2, Pages 1799-1812

Abstract. Employees are working on opencast coal mining from May to September
work in conditions of heating microclimate. A decrease in the influence of the high
temperature of air and solar radiation is reached by the uniform distribution of the hottest
time of day (from 12 to 16 o'clock) by drawing up the working schedule. The selection of
means of individual protection of hearing organs, their regular use, and efficiency assessment
performance will reduce the impact of noise on workers' bodies. Decrease of total working
time in conditions of exposure to industrial vibration not exceeding 5-6 hours will allow
reducing the class of working conditions on this factor. The effectiveness of individual
respiratory protection means the size of dust particles, the degree of insulation of the
underwear space in places where the mask is not tightly attached to the face. Considering dust
dispersion, working conditions classes of workers engaged in brown coal mining in
underground mine #9 "Angrenskaya" decreased by 1 stage, while in mine "Shargunkumir"
the working conditions classes on dust factor, on the contrary, increased by 1 stage.

HEALTH RISK ANALYSIS OF WORKERS INVOLVED IN COAL MINING IN VARIOUS WAYS

Utkir Adilov

European Journal of Molecular & Clinical Medicine, 2020, Volume 7, Issue 2, Pages 2271-2281

Abstract. Occupational risks affect the health of miners and up to 40% of labor losses
are caused by diseases directly or indirectly connected with unfavorable working conditions.
The research aimed to determine the degree of connection of the disease incidence by
temporary loss of working capacity of coal mine workers with working conditions, which was
estimated for all classes of diseases and the relative risk (OR) value was 1.69 units, etiological
share (EF) - 41% and was estimated as average. These incidence rates for the disease classes
were almost complete: Class XIII (OR=5.08 units; EF=80%) and Class XIX (OR=5.03 units;
EF=80%), and high for the disease classes: Class XI (OR=2.57 units; EF=61%) and Class X
(OR=2.46 units; EF=59%). This relationship by day was almost complete among: Class X
(OR=6.18 units; EF=100%), Class XI (OR=7.27 units; EF=100%), Class XIII (OR=7.79
units; EF=100%), and Class XIX (OR=17.87 units; EF=100%). Among workers engaged in
underground coal mining, the value of ОR=1.4 units, EF=29.3%, was occasionally observed
and assessed as small. Relationship of the disease to underground working conditions was
assessed as very high by disease classes: Class X (OR=3.6 units; EF=72.1%), Class XI
(OR=3.8 units; EF=73.5%) and Class XIII (OR=4.8 units; EF=79.1%). The disease
relationship by day was almost complete: in Grade XI (OR=5.3 units; EF=100%) and Grade
XIII (OR=8.9 units; EF=100%), and high in Grade X disease (OR=3.0 units; EF=100%). The
risk of eating disorders of workers was identified by class XI disease and was assessed as very
high in cases (OR=3.8 units; EF=73.8%). A high degree of occupational conditionality was
determined for Class XIII disease (OR=2.2 units; EF=55.3%).