Sample in this research was all of SPBU COCO operator in Ahmad Yani Street ? Semarang, amounted to 32 persons. This study is done for explaining relationship between independent variables (age, sex, and years of service, nutrient status, physical exercise habits, and smoking habits) and dependent variables (blood lead (Pb-B)) through correlation test of Pearson Product Moment, Rank Spearman, and T-test independent. Method: Method that is used in this study was survey method and laboratory analysis with cross sectional approach. According to interview report that was done toward 5 operators of SPBU COCO, 3 female operator sometimes felt nauseous and dizzy while they worked whereas the remain of 2 male operators often got headache, close to weary weak when they?ve been working. Meanwhile, SPBU Coco also had awarded as the highest seller on Central Java and DIY provinces level. SPBU COCO can sell about 32.000 to 55.000 liter/day. One of them is SPBU (gas station attendants) operator. Measurement of degree of lead in blood is done to person with potential risk of lead exposure. One of biological indicators of lead exposure is lead in blood. The health effect of lead intoxication, such as neurology, hemapoitic system disorders (heme biosynthetic) and blood pressure (hypertension). According to WHO, lead is heavy metal could cause acute and chronic body intoxication. Background: Air pollution is mostly caused by motor vehicle in big cities which 70 % air pollution is caused by motor vehicle activities, such particulate matter and lead.
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