Occupation: Wellhead Pumpers
Task: Control pumping and blending equipment to acidize, cement, or fracture gas or oil wells and permeable rock formations.

Scale: Frequency of Task (Categories 1-7)
Category: 1
Value: 42.05 (N=14)
Source: Incumbent, 12/2004

Scale: Frequency of Task (Categories 1-7)
Category: 2
Value: 12.08 (N=14)
Source: Incumbent, 12/2004

Scale: Frequency of Task (Categories 1-7)
Category: 3
Value: 0 (N=14)
Source: Incumbent, 12/2004

Scale: Frequency of Task (Categories 1-7)
Category: 4
Value: 12.4 (N=14)
Source: Incumbent, 12/2004

Scale: Frequency of Task (Categories 1-7)
Category: 5
Value: 33.48 (N=14)
Source: Incumbent, 12/2004

Scale: Frequency of Task (Categories 1-7)
Category: 6
Value: 0 (N=14)
Source: Incumbent, 12/2004

Scale: Frequency of Task (Categories 1-7)
Category: 7
Value: 0 (N=14)
Source: Incumbent, 12/2004

Scale: Importance
Value: 2.95 (N=14)
Source: Incumbent, 12/2004

Scale: Relevance of Task
Value: 10.69 (N=123)
Source: Incumbent, 12/2004