Figure 2From: Occupational lead exposure among automotive garage workers – a case study for Jimma town, Ethiopia Proportion of the garage workers with BLLs less than 15 μg/dL, between 15 to 20 μg/dL and above 20 μg/dL in the 1 – 3, 3 – 6 and above 6 years of service categories. Back to article page