Occupational Employment Statistics

Occupational Employment and Wages, May 2011

51-9012 Separating, Filtering, Clarifying, Precipitating, and Still Machine Setters, Operators, and Tenders

Set up, operate, or tend continuous flow or vat-type equipment; filter presses; shaker screens; centrifuges; condenser tubes; precipitating, fermenting, or evaporating tanks; scrubbing towers; or batch stills. These machines extract, sort, or separate liquids, gases, or solids from other materials to recover a refined product. Includes dairy processing equipment operators. Excludes "Chemical Equipment Operators and Tenders" (51-9011).


National estimates for this occupation
Industry profile for this occupation
Geographic profile for this occupation

National estimates for this occupation: Top

Employment estimate and mean wage estimates for this occupation:

Employment (1) Employment
RSE (3)
Mean hourly
wage
Mean annual
wage (2)
Wage RSE (3)
39,660 2.8 % $18.70 $38,910 0.9 %

Percentile wage estimates for this occupation:

Percentile 10% 25% 50%
(Median)
75% 90%
Hourly Wage $10.68 $13.79 $18.14 $22.76 $27.78
Annual Wage (2) $22,220 $28,680 $37,720 $47,330 $57,780


Industry profile for this occupation: Top

Industries with the highest published employment and wages for this occupation are provided. For a list of all industries with employment in this occupation, see the Create Customized Tables function.

Industries with the highest levels of employment in this occupation:

Industry Employment (1) Percent of industry employment Hourly mean wage Annual mean wage (2)
Dairy Product Manufacturing 5,450 4.14 $17.50 $36,400
Pharmaceutical and Medicine Manufacturing 3,370 1.27 $20.34 $42,310
Basic Chemical Manufacturing 2,380 1.67 $18.67 $38,830
Grain and Oilseed Milling 2,330 4.04 $19.57 $40,700
Pulp, Paper, and Paperboard Mills 1,560 1.43 $21.92 $45,600

Industries with the highest concentration of employment in this occupation:

Industry Employment (1) Percent of industry employment Hourly mean wage Annual mean wage (2)
Dairy Product Manufacturing 5,450 4.14 $17.50 $36,400
Grain and Oilseed Milling 2,330 4.04 $19.57 $40,700
Metal Ore Mining 1,000 2.63 $22.88 $47,590
Basic Chemical Manufacturing 2,380 1.67 $18.67 $38,830
Sugar and Confectionery Product Manufacturing 1,010 1.50 $16.95 $35,250

Top paying industries for this occupation:

Industry Employment (1) Percent of industry employment Hourly mean wage Annual mean wage (2)
Nonmetallic Mineral Mining and Quarrying 790 0.88 $23.27 $48,390
Metal Ore Mining 1,000 2.63 $22.88 $47,590
Other Chemical Product and Preparation Manufacturing 870 1.04 $22.33 $46,450
Remediation and Other Waste Management Services (8) (8) $22.09 $45,950
Pulp, Paper, and Paperboard Mills 1,560 1.43 $21.92 $45,600


Geographic profile for this occupation: Top

States and areas with the highest published employment, location quotients, and wages for this occupation are provided. For a list of all areas with employment in this occupation, see the Create Customized Tables function.





States with the highest employment level in this occupation:

State Employment (1) Employment per thousand jobs Location quotient (9) Hourly mean wage Annual mean wage (2)
California 6,610 0.47 1.52 $19.67 $40,910
Texas 2,780 0.27 0.87 $16.53 $34,380
North Carolina 2,100 0.55 1.78 $21.97 $45,690
New York 2,010 0.24 0.77 $15.68 $32,610
Illinois 1,840 0.33 1.07 $18.07 $37,590




States with the highest concentration of jobs and location quotients in this occupation:

State Employment (1) Employment per thousand jobs Location quotient (9) Hourly mean wage Annual mean wage (2)
Vermont 370 1.28 4.14 $16.40 $34,120
Wyoming 260 0.94 3.05 $33.23 $69,110
Idaho 480 0.81 2.61 $16.57 $34,460
Oregon 1,050 0.66 2.15 $17.25 $35,880
North Carolina 2,100 0.55 1.78 $21.97 $45,690




Top paying States for this occupation:

State Employment (1) Employment per thousand jobs Location quotient (9) Hourly mean wage Annual mean wage (2)
Wyoming 260 0.94 3.05 $33.23 $69,110
Nevada 580 0.52 1.68 $24.04 $50,000
New Hampshire 210 0.34 1.11 $22.31 $46,410
Colorado 910 0.42 1.35 $22.15 $46,080
North Carolina 2,100 0.55 1.78 $21.97 $45,690





Metropolitan areas with the highest employment level in this occupation:

Metropolitan area Employment (1) Employment per thousand jobs Location quotient (9) Hourly mean wage Annual mean wage (2)
Napa, CA 1,210 19.59 63.35 $18.12 $37,690
Philadelphia, PA Metropolitan Division 840 0.46 1.49 $20.16 $41,930
New York-White Plains-Wayne, NY-NJ Metropolitan Division 750 0.15 0.48 $16.51 $34,330
Portland-Vancouver-Hillsboro, OR-WA 730 0.74 2.39 $17.31 $36,010
Los Angeles-Long Beach-Glendale, CA Metropolitan Division 710 0.19 0.60 $18.84 $39,200
Santa Rosa-Petaluma, CA 610 3.52 11.39 $23.49 $48,870
Dallas-Plano-Irving, TX Metropolitan Division 570 0.28 0.90 $17.89 $37,210
Houston-Sugar Land-Baytown, TX 560 0.22 0.71 $16.02 $33,310
Raleigh-Cary, NC 470 0.93 3.01 $20.46 $42,550
Oakland-Fremont-Hayward, CA Metropolitan Division 450 0.47 1.53 $24.05 $50,030




Metropolitan areas with the highest concentration of jobs and location quotients in this occupation:

Metropolitan area Employment (1) Employment per thousand jobs Location quotient (9) Hourly mean wage Annual mean wage (2)
Napa, CA 1,210 19.59 63.35 $18.12 $37,690
Santa Rosa-Petaluma, CA 610 3.52 11.39 $23.49 $48,870
Merced, CA 200 3.51 11.34 $17.52 $36,450
Sioux City, IA-NE-SD 230 3.29 10.64 $13.57 $28,210
Visalia-Porterville, CA 380 2.86 9.27 $21.57 $44,870
San Luis Obispo-Paso Robles, CA 250 2.53 8.19 $16.99 $35,350
Portsmouth, NH-ME 90 1.54 4.99 $19.99 $41,590
Yakima, WA 100 1.22 3.95 $17.98 $37,390
Kennewick-Pasco-Richland, WA 120 1.19 3.84 $20.83 $43,320
Corvallis, OR 40 1.16 3.76 $11.76 $24,460




Top paying metropolitan areas for this occupation:

Metropolitan area Employment (1) Employment per thousand jobs Location quotient (9) Hourly mean wage Annual mean wage (2)
Durham-Chapel Hill, NC 50 0.19 0.61 $26.99 $56,130
Duluth, MN-WI 120 0.98 3.18 $25.83 $53,720
Stockton, CA 220 1.14 3.70 $25.30 $52,620
Denver-Aurora-Broomfield, CO 350 0.29 0.94 $24.42 $50,780
Knoxville, TN 100 0.30 0.97 $24.12 $50,180
Oakland-Fremont-Hayward, CA Metropolitan Division 450 0.47 1.53 $24.05 $50,030
Santa Rosa-Petaluma, CA 610 3.52 11.39 $23.49 $48,870
Salt Lake City, UT 100 0.16 0.53 $23.44 $48,760
Vallejo-Fairfield, CA 130 1.12 3.62 $23.30 $48,460
Beaumont-Port Arthur, TX 150 0.94 3.05 $23.21 $48,280

Nonmetropolitan areas with the highest employment in this occupation:

Nonmetropolitan area Employment (1) Employment per thousand jobs Location quotient (9) Hourly mean wage Annual mean wage (2)
Other North Carolina nonmetropolitan area 490 1.67 5.40 $20.91 $43,490
Other Nevada nonmetropolitan area 390 7.30 23.61 $25.79 $53,650
Southeast Missouri nonmetropolitan area 340 2.18 7.04 $16.72 $34,770
South Georgia nonmetropolitan area 330 1.83 5.90 $14.52 $30,210
West Kentucky nonmetropolitan area 280 1.88 6.09 $23.29 $48,440

Nonmetropolitan areas with the highest concentration of jobs and location quotients in this occupation:

Nonmetropolitan area Employment (1) Employment per thousand jobs Location quotient (9) Hourly mean wage Annual mean wage (2)
Other Nevada nonmetropolitan area 390 7.30 23.61 $25.79 $53,650
Far Eastern North Dakota nonmetropolitan area 120 4.76 15.41 $20.77 $43,200
Southwestern Wyoming nonmetropolitan area 230 3.73 12.07 $35.33 $73,490
Southcentral Idaho nonmetropolitan area 160 2.31 7.46 $17.08 $35,530
Southeast Missouri nonmetropolitan area 340 2.18 7.04 $16.72 $34,770

Top paying nonmetropolitan areas for this occupation:

Nonmetropolitan area Employment (1) Employment per thousand jobs Location quotient (9) Hourly mean wage Annual mean wage (2)
Southwestern Wyoming nonmetropolitan area 230 3.73 12.07 $35.33 $73,490
Northeast Mississippi nonmetropolitan area 60 0.27 0.87 $28.18 $58,620
Southwest Alabama nonmetropolitan area (8) (8) (8) $27.09 $56,350
Middle Georgia nonmetropolitan area 180 1.36 4.39 $25.93 $53,930
Other Nevada nonmetropolitan area 390 7.30 23.61 $25.79 $53,650


About May 2011 National, State, Metropolitan, and Nonmetropolitan Area Occupational Employment and Wage Estimates

These estimates are calculated with data collected from employers in all industry sectors, all metropolitan and nonmetropolitan areas, and all states and the District of Columbia. The top employment and wage figures are provided above. The complete list is available in the downloadable XLS files.

The percentile wage estimate is the value of a wage below which a certain percent of workers fall. The median wage is the 50th percentile wage estimate--50 percent of workers earn less than the median and 50 percent of workers earn more than the median. More about percentile wages.


(1) Estimates for detailed occupations do not sum to the totals because the totals include occupations not shown separately. Estimates do not include self-employed workers.

(2) Annual wages have been calculated by multiplying the hourly mean wage by a "year-round, full-time" hours figure of 2,080 hours; for those occupations where there is not an hourly mean wage published, the annual wage has been directly calculated from the reported survey data.

(3) The relative standard error (RSE) is a measure of the reliability of a survey statistic. The smaller the relative standard error, the more precise the estimate.

(8) Estimate not released.

(9) The location quotient is the ratio of the area concentration of occupational employment to the national average concentration. A location quotient greater than one indicates the occupation has a higher share of employment than average, and a location quotient less than one indicates the occupation is less prevalent in the area than average.


Other OES estimates and related information:

May 2011 National Occupational Employment and Wage Estimates

May 2011 State Occupational Employment and Wage Estimates

May 2011 Metropolitan and Nonmetropolitan Area Occupational Employment and Wage Estimates

May 2011 National Industry-Specific Occupational Employment and Wage Estimates

List of Occupations in SOC Code Number Order

List of Occupations in Alphabetical Order

Download May 2011 Occupational Employment and Wage Estimates in Zipped XLS files

Technical Notes

Last Modified Date: March 27, 2012

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