Table 1.
Description of EGs (number of EGs = 7) on the DDIII between May 15 and July 15, 2010, assessed in this preliminary analysis as part of the GuLF STUDY.
| Exposure Group | N | % Censored THC | % Censored xylene |
|---|---|---|---|
| Derrick hand | 6 | 0.0 | 0.0 |
| Floorhand/roughneck | 10 | 10.0 | 10.0 |
| Crane operator | 16 | 12.5 | 31.3 |
| Roustabout | 96 | 19.8 | 32.3 |
| Operations technician or operator | 10 | 20.0 | 20.0 |
| ROV technician | 12 | 25.0 | 25.0 |
| IH-safety | 19 | 10.5 | 5.3 |
These exposure groups included Derrick hands, floorhands/roughnecks, crane operators, roustabouts, operation technicians and operators, remotely operated vehicle (ROV) technicians, and IH-safety workers.