Study Subject

Work Task

Initial blood lead level µg/dl

Follow up blood lead level µg/dl

Change in blood lead level µg/dl

Tainter Gate

1

Abrasive Blaster

6

15

9

2^A

Abrasive Blaster

21

25

4

3

Abrasive Blaster

1

7

6

4

Abrasive Blaster

3

13

10

5^A

Vacuumer

5

12

7

6

Vacuumer

8

13

5

Bridge

7

Abrasive Blaster

7

7

No change

8

Vacuumer

13

12

-1