### Record for the Final Section 316(b) Existing Facilities Rule

**Author:** Abt Associates Inc. **Date Created:** 2/17/2012 **Date Modified:** 8/27/2013

**Purpose:** This file contains capacity utilization rates for selected industries by NAICS codes. This data

was used to create capacity utilization profiles for the 316(b) manufacturing industries.

**File Contents: Worksheet**  **Contents** Introduction Contains source information.

FULL Utilization Rates Contains capacity utilization data for 2010 Quarter 3 and 2010 Quarter 4 for a select group of industries.

FULL Utilization Rates Contains emergency capacity utilization data for 2010 Quarter 3 and 2010 Quarter 4 for a select group of industries. Appendix Contains information on the survey methodology and reliability of the data.

EPA-HQ-OW-2008-0667-DRAFT-3283 File Info 1

### Record for the Final Section 316(b) Existing Facilities Rule 

# Quarterly

**Survey of Plant Capacity** 

**Utilization: 2010**

Address inquiries concerning this report to U.S. Census Bureau, Manufacturing and Construction Division, HQ-7K145, 4600 Silver Hill Rd., Washington DC 20233, or call survey staff at 800-201-4647 and choose option 5. The U.S. Census Bureau reports U.S. domestic manufacturing plants used an estimated 69.6 percent (+/- 2.2 percent) of their full production capacity

for the fourth quarter 2010, compared with 69.6 percent (+/- 2.4 percent) for the third quarter 2010 and 64.1 percent (+/- 1.6 percent) for the fourth quarter 2009, not adjusted for seasonal variation, holiday or trading-day

differences.

The industry

classifications for this report are based on the 2007 edition of the North American Industry Classification System (NAICS)

manual published by

the Office of Management and Budget. The Federal Reserve Board (FRB), a funding agency, developed the industry groups shown.

The fourth quarter 2010 rates in this release are based on unit response from approximately 73% of the survey

sample. The Census Bureau also tracks and measures item response for each component used to calculate the utilization rates and the average plant hours per week in operation. These items are reported with a response rate of approximately 73%. The item response rates are available upon request. Data are obtained from a sample of manufacturing and publishing establishments by means of a mailed questionnaire or an electronic instrument. Selected establishments are asked to report actual production and estimates of their full production and emergency production capability. We derive utilization rates from these reported dollar values that are not adjusted for price changes. In 2010, we began releasing national emergency utilization rates. An explanation of how these rates are calculated appears in the Appendix.

EPA-HQ-OW-2008-0667-DRAFT-3283 Introduction 1Record for the Final Section 316(b) Existing Facilities Rule



### TA**BLE 1. Quarterly Survey**  **of Plant Capacity**

**Utilization Full Rates: 2010**

**NA ICS Code(s)**  **Description Utilization**  **Rate Standard** 

**Error Av** **erage Plant hours**  **per week in operation**  **Standard**

**Error Utilization**  **Rate Standard** 

**Error Av** **erage Plant hours**  **per week in operation**  **Standard**

**Error**

31-33All manufacturing 1/ 69.6 1.1 62.4 0.9 69.6 1.2 62.0 0.9 3111, 7, 8Animal food, bakery and tortilla mfg,

seafood product preparation and packaging 70.0 3.2 85.6 6.1 70.0 3.2 84.8 6.3 3112, 5, 6 Grain and oilseed milling, dairy, and animal

slaughtering and processing 85.2 3.0 86.7 8.0 85.0 1.1 85.1 8.0 3113, 4 Sugar and confectionary product, fruit and vegetable preserving and specialty food mfg. 63.3 3.2 70.6 8.7 67.4 3.0 73.5 9.6 31191 Snack food mfg. 73.2 2.2 74.8 14.8 71.2 2.2 77.1 15.4 31192 Coffee and tea mfg. 73.8 4.6 142.2 7.7 70.8 2.4 117.3 9.9 31193, 4, 9 Other food mfg. 62.8 1.6 57.5 5.8 64.3 1.8 60.9 7.0 3121 Beverage mfg. 69.8 1.8 73.8 12.2 79.0 1.8 80.7 11.6 3122Tobacco mfg. 61.8 2.5 65.3 18.7 63.0 3.0 65.3 18.7 3131 Fiber, yarn, and thread mills 71.8 2.9 106.6 17.9 82.9 2.9 132.4 6.6 3132 Fabric mills 70.7 5.7 80.3 14.8 70.8 5.3 79.7 11.1 3133Textile and fabric finishing, and fabric coating mills 57.7 10.1 48.2 7.3 58.5 10.5 50.2 7.7 3141 Textile furnishings mills 43.5 8.1 47.0 4.1 46.4 8.9 48.9 5.1 3149 Other textile product mills 71.0 5.5 55.2 7.0 68.4 5.0 52.1 5.1 31511 Hosiery and sock mills 50.0 6.1 90.3 9.8 54.0 4.7 101.5 14.7 31519 Other apparel knitting mills 67.9 2.8 46.2 6.4 85.4 5.8 46.0 6.1 31521 Cut and sew apparel contractors c 43.6 3.9 37.0 9.1 c 70.6 1.7 35.5 5.5 31522 Men's and boy's cut and sew apparel mfg. c 64.7 4.7 41.9 1.6 c 63.1 6.4 41.4 1.0 31523Women's and girl's cut and sew apparel c 79.8 0.8 30.0 2.1 c 77.5 1.8 30.4 2.4 31529 Other cut and sew apparel mfg. 59.9 14.2 40.2 0.2 65.1 13.7 46.4 4.0 3159Apparel accessories and other apparel mfg. 76.0 5.3 36.8 1.2 78.8 4.6 37.2 1.0 3161 Leather and hide tanning and finishing c 31.1 13.4 32.5 0.5 62.2 13.5 36.1 2.9 3162 Footwear mfg. 60.9 4.1 41.0 1.3 56.3 4.9 41.8 1.8 3169 Other leather and allied product mfg. c 44.0 10.4 40.9 2.2 c 49.7 14.7 44.5 3.0 3211 Sawmills and wood preservation 49.8 4.6 44.6 2.7 54.8 5.5 47.6 2.7 3212Veneer, plywood, and engineered wood product mfg. 50.0 5.0 64.6 6.9 55.9 5.7 62.4 7.5 3219 Other wood product mfg. 51.3 2.6 43.9 1.5 56.8 2.9 45.3 2.2 32211 Pulp mills c 86.6 7.1 136.0 18.3 c 81.4 8.9 115.8 22.5 32212 Paper mills 77.5 4.8 142.3 17.9 81.7 3.2 141.7 18.3 **Quarter 3 2010**  **2010 Quarter 4** 

EPA-HQ-OW-2008-0667-DRAFT-3283 FULL Utilization Rates 1Record for the Final Section 316(b) Existing Facilities Rule



### TA**BLE 1. Quarterly Survey**  **of Plant Capacity**

**Utilization Full Rates: 2010**

**NA ICS Code(s)**  **Description Utilization**  **Rate Standard** 

**Error Av** **erage Plant hours**  **per week in operation**  **Standard**

**Error Utilization**  **Rate Standard** 

**Error Av** **erage Plant hours**  **per week in operation**  **Standard**

**Error Quarter 3**  **2010 2010**  **Quarter 4**

32213 Paperboard mills 86.7 4.3 157.3 5.2 c 88.2 4.4 156.5 5.5 3222 Converted paper product mfg. 71.6 2.6 90.3 7.5 70.1 3.3 87.6 6.6 3231 Printing and related support activities 62.1 3.0 59.9 3.6 61.8 2.8 57.4 3.6 32411 Petroleum refineries 87.4 0.9 166.1 1.0 89.0 0.8 166.2 0.9 32412, 9 Paving, roofing, and all other petroleum

and coal products mfg. 45.7 5.4 56.5 7.9 60.4 3.7 66.1 6.9 32511 Petrochemical mfg. 76.9 4.2 165.4 2.4 77.1 5.2 165.4 2.4 325193 Ethyl alcohol mfg. 97.1 1.9 154.2 9.2 92.7 2.8 157.2 9.6 325191, 2, 9 Gum, wood chemical, cyclic crude and

intermediate, and all other basic organic chemical mfg. 77.5 1.4 113.4 19.4 80.8 1.6 130.0 21.3 32512, 3,8 Industrial gas, synthetic organic dye and

pigment, and other basic inorganic chemical mfg. 72.6 3.2 130.7 18.9 69.4 3.6 130.8 18.2 325211 Plastics material and resin mfg. 73.4 3.1 84.5 18.7 76.8 4.0 95.1 18.6 325212 Synthetic rubber mfg. 56.5 7.9 58.8 10.9 62.8 7.9 58.8 10.9 32522Artificial and synthetic fibers and filaments mfg. c 73.4 5.0 59.3 17.9 c 81.8 5.9 49.8 9.4 32531 Fertilizer mfg. 70.9 4.5 91.6 12.2 65.9 7.6 82.2 12.7 32532 Pesticide and other agricultural chemical mfg. 60.4 7.0 67.3 16.5 41.0 2.8 65.9 13.0 3254 Pharmaceutical and medicine mfg. c 80.7 3.3 73.2 16.3 c 63.5 3.2 66.9 14.3 3255 Paint, coating, and adhesive mfg. c 61.9 3.4 53.5 5.4 c 68.8 3.6 53.6 5.8 3256 Soap, cleaning compound, and toilet preparation mfg. c 62.1 2.2 58.3 6.6 c 67.2 2.7 61.0 7.7 3259 Other chemical product and preparation 64.1 3.1 83.7 13.8 67.4 3.4 73.5 9.5 3261 Plastics product mfg. 62.4 3.7 88.4 6.8 65.1 3.6 84.8 6.5 32621 Tire mfg. 85.4 1.9 63.5 15.4 85.1 2.1 67.2 15.6 32622, 9All other rubber product (excluding tires) 66.7 4.1 68.9 7.5 67.5 3.6 68.3 7.7 3271 Clay product and refractory mfg. 43.5 5.9 72.9 15.5 47.1 5.9 76.0 16.4 3272 Glass and glass product mfg. 79.0 2.9 82.2 10.0 81.4 3.0 75.4 10.1

EPA-HQ-OW-2008-0667-DRAFT-3283 FULL Utilization Rates 2Record for the Final Section 316(b) Existing Facilities Rule



### TA**BLE 1. Quarterly Survey**  **of Plant Capacity**

**Utilization Full Rates: 2010**

**NA ICS Code(s)**  **Description Utilization**  **Rate Standard** 

**Error Av** **erage Plant hours**  **per week in operation**  **Standard**

**Error Utilization**  **Rate Standard** 

**Error Av** **erage Plant hours**  **per week in operation**  **Standard**

**Error Quarter 3**  **2010 2010**  **Quarter 4**

32731 Cement mfg. 58.7 4.2 133.2 16.4 69.6 3.5 136.7 16.6 32732, 9 Ready-mix concrete; concrete pipe, brick,

and block; and other concrete mfg. 26.5 4.1 44.1 1.6 32.6 5.4 44.5 1.6 3274 Lime and gypsum product mfg. c 38.8 6.7 56.1 9.7 c 41.3 6.8 56.2 9.9 3279 Other nonmetallic mineral product mfg 57.6 1.8 46.0 4.5 64.6 3.1 44.1 2.0 3311, 2 Iron and steel mills and ferroalloy mfg.; and steel product mfg from purchased steel 65.4 2.3 102.9 19.1 67.4 2.3 107.6 17.3 3313Alumina and aluminum production and processing 55.5 13.0 115.7 24.2 58.2 14.4 112.6 24.4 3314 Nonferrous metal (except aluminum) production and processing 61.8 4.7 91.0 16.1 63.5 3.3 79.2 14.9 3315 Foundries 71.0 2.6 75.3 11.0 72.8 2.0 68.9 11.3 3321, 2, 4, 5, 6 Forging and stamping; cutlery, handtool,

boiler, tank, shipping container, hardware, and spring and wire mfg. 59.5 3.9 61.9 4.4 62.8 4.3 68.0 5.5 3323, 7, 8, 9All other fabricated metal product mfg. 61.2 2.2 60.6 2.7 63.9 2.0 60.0 2.6 3331 Agriculture, construction, and mining machinery mfg. 69.0 3.1 65.4 8.4 61.4 4.1 56.3 7.0 3332 Industrial machinery mfg. 61.3 7.5 50.3 3.3 67.9 3.0 54.6 5.1 3333 Commercial and service industry machinery mfg. 68.1 4.8 60.7 10.3 77.6 2.7 61.0 8.4 3334Ventilation, heating, air-conditioning, and commercial refrigeration equipment mfg. 60.1 2.9 61.6 6.6 60.2 2.6 59.9 5.8 3335 Metalworking machinery mfg. 62.7 3.8 61.4 4.0 64.3 3.6 57.8 3.8 3336 Engine, turbine, and power transmission equipment mfg. 66.1 1.7 87.1 13.4 57.0 2.6 83.1 11.5 3339 Other general purpose machinery mfg. 68.0 2.4 55.8 5.2 65.7 2.2 53.4 4.4 3341 Computer and peripheral equipment mfg. c 80.5 3.7 62.6 17.3 c 75.0 5.3 45.0 3.7 3342 Communications equipment mfg. c 70.6 3.4 64.3 6.8 72.8 3.1 65.7 7.2 3343, 6Audio and video equipment mfg; and manufacturing and reproducing magnetic and optical media 78.9 5.1 60.0 11.9 c 59.5 4.4 78.7 29.9 334411 Electron tube mfg. 67.7 3.5 47.2 4.2 65.8 2.4 51.1 5.9 334412, 4-9 Bare printed circuit board, electronic

capacitor, and other electronic component mfg. c 62.9 5.1 51.4 4.1 c 62.8 5.1 48.2 3.2 334413Semiconductor and related device mfg. 85.1 3.8 55.0 7.1 82.8 3.8 56.4 9.5

EPA-HQ-OW-2008-0667-DRAFT-3283 FULL Utilization Rates 3Record for the Final Section 316(b) Existing Facilities Rule



### TA**BLE 1. Quarterly Survey**  **of Plant Capacity**

**Utilization Full Rates: 2010**

**NA ICS Code(s)**  **Description Utilization**  **Rate Standard** 

**Error Av** **erage Plant hours**  **per week in operation**  **Standard**

**Error Utilization**  **Rate Standard** 

**Error Av** **erage Plant hours**  **per week in operation**  **Standard**

**Error Quarter 3**  **2010 2010**  **Quarter 4**

3345 Navigational, measuring, electromedical, and control instruments mfg. c 70.6 2.9 45.1 2.7 c 72.0 2.7 44.9 2.8 3351 Electric lighting equipment mfg. 48.8 2.9 37.2 5.0 54.2 3.6 40.4 5.4 3352 Household appliance mfg. 58.9 5.4 76.9 17.4 63.7 4.6 55.8 8.3 3353, 9 Electrical equipment and component mfg. 64.1 3.2 55.3 4.9 64.2 3.1 58.8 5.5 336111 Automobile mfg. 56.6 2.8 82.8 3.5 60.4 2.7 77.9 2.1 336112 Light truck and utility vehicle mfg. 78.3 7.9 83.3 8.9 78.3 7.2 87.0 9.6 33612 Heavy duty truck mfg. 36.3 3.6 70.8 7.6 34.7 3.5 72.8 8.0 3362 Motor vehicle body and trailer mfg. 52.4 3.0 46.8 3.2 55.2 3.7 46.1 3.3 3363 Motor vehicle parts mfg. 59.8 5.7 71.0 7.1 54.0 5.3 67.2 5.5 3364Aerospace product and parts mfg. 76.5 0.8 66.7 11.1 75.5 2.1 77.9 16.0 3365, 6, 9 Railroad rolling stock, ship, boat, and other

transportation equipment mfg. c 33.1 11.4 53.8 5.0 39.0 10.6 49.4 5.1 3371 Household and institutional furniture and kitchen cabinet mfg. 54.1 2.8 39.9 1.0 56.8 2.9 39.7 1.3 3372 Office furniture (incl. fixtures) mfg. 60.9 3.3 46.5 4.9 64.6 3.3 46.8 4.8 3379 Other furniture related product mfg. 61.3 8.3 43.1 9.1 66.5 8.7 45.2 6.2 3391 Medical equipment and supplies mfg. 72.5 2.5 49.1 3.0 73.9 2.5 49.3 3.1 33991,2, 3Jewelry, silverware, sporting and athletic

goods, and doll, toy and game mfg. 58.0 4.9 48.4 4.6 53.3 3.7 45.1 3.3 33994-5Office supplies (except paper) and sign

mfg. 68.2 4.0 44.2 2.2 71.6 3.1 43.9 1.9 33999All other miscellaneous mfg. 79.8 10.0 54.4 7.3 79.3 9.8 61.0 9.0 51111, 3 Newspaper and book publishers c 54.7 7.5 51.7 3.7 c 56.3 8.8 47.0 2.6 51112 Periodical publishers c 93.5 4.3 42.3 1.6 c 96.6 2.6 40.0 2.7 51114, 9All other publishers c 76.9 8.0 57.6 8.5 c 80.1 7.8 70.3 10.5

1/ Includes manufacturing plants without specific NAICS industry codes as specified within the table and excludes publishers (51111-51119).

c The full utilization rate is based on responses with industry coverage of less than 50 percent. Coverage is calculated by industry group as the ratio of the weighted measure of size for respondents to the weighted measure of size for the entire sample. **Note:**Data may differ from that previously published due to data revisions made during the processing of the current quarter.

EPA-HQ-OW-2008-0667-DRAFT-3283 FULL Utilization Rates 4

### Record for the Final Section 316(b) Existing Facilities Rule



## TA**BLE 2. Quarterly Survey**  **of Plant Capacity**

**Utilization National Emergency Rates : 2010** 

**NA ICS Code(s)**  **Description Utilization**  **Rate Standard** 

**Error Utilization**  **Rate Standard** 

**Error**

31-33All manufacturing 1/ 50.4 1.4 51.3 2.0 3111, 7, 8Animal food, bakery and tortilla mfg, seafood product preparation and packaging 61.4 3.4 60.7 3.3 3112, 5, 6Grain and oilseed milling, dairy, and animal

slaughtering and processing 72.3 4.5 77.3 4.5 3113, 4Sugar and confectionary product, fruit and vegetable preserving and specialty food mfg. 26.1 12.4 28.5 13.4 31191 Snack food mfg. 65.2 3.7 64.6 3.6 31192Coffee and tea mfg. 59.9 7.3 58.2 4.5 31193, 4, 9 Other food mfg. 45.8 1.7 46.2 2.4 3121 Beverage mfg. 50.5 6.6 54.9 6.0 3122Tobacco mfg. 52.6 1.6 53.3 2.0 3131 Fiber, yarn, and thread mills 66.3 4.2 72.6 4.7 3132 Fabric mills 55.5 4.6 57.7 4.7 3133Textile and fabric finishing, and fabric coating mills c 38.8 6.1 38.8 5.8 3141 Textile furnishings mills 32.2 2.7 35.8 2.6 3149Other textile product mills 57.3 5.7 55.6 4.5 31511 Hosiery

and sock mills 43.8 4.9 47.0 4.1 31519Other apparel knitting mills 49.2 13.8 60.8 18.8 31521 Cut and sew apparel contractors c 29.3 1.2 c 53.8 9.1 31522 Men's and boy's cut and sew apparel mfg. c 34.8 4.0 c 35.8 4.1 31523Women's and girl's cut and sew apparel mfg. c 35.2 10.8 c 34.6 9.6 31529Other cut and sew apparel mfg. c 59.2 7.9 43.2 7.1 3159Apparel accessories and other apparel mfg. 40.8 7.7 43.8 7.8 3161 Leather and hide tanning and finishing c 14.6 4.2 49.6 10.6 3162 Footwear mfg. 28.8 2.4 28.6 1.4 3169Other leather and allied product mfg. c 37.9 7.8 c 42.8 11.0 **2010 Quarter 3**  **2010 Quarter 4** 

EPA-HQ-OW-2008-0667-DRAFT-3283 EMERGENCY Utilization Rates 1

### Record for the Final Section 316(b) Existing Facilities Rule

3211 Sawmills and wood preservation 30.6 3.5 31.6 3.3 3212Veneer, ply

wood, and engineered wood product mfg. 41.4 3.7 46.8 4.1 3219Other wood product mfg. 28.7 2.5 31.0 2.8 32211 Pulp mills c 86.6 7.1 c 81.4 8.9 32212 Paper mills 65.5 4.1 69.2 3.6 32213 Paperboard mills 84.3 4.0 c 86.4 4.1 3222Converted paper product mfg. 53.3 2.7 53.0 2.7 3231 Printing and related support activities 46.7 2.9 45.5 2.6 32411 Petroleum refineries 86.7 0.9 87.9 0.8 32412, 9Paving, roofing, and all other petroleum and

coal products mfg. 30.8 4.6 36.8 5.1 32511 Petrochemical mfg. 75.7 4.0 76.1 5.0 325193 Ethyl alcohol mfg. 94.7 2.3 91.5 3.0 325191, 2, 9Gum, wood chemical, cyclic crude and

intermediate, and all other basic organic chemical mfg. 75.6 1.7 78.6 2.0 32512, 3,8 Industrial gas, synthetic organic dye and

pigment, and other basic inorganic chemical mfg. 68.1 4.0 64.5 4.4 325211 Plastics material and resin mfg. 72.3 3.5 74.9 4.5 325212Synthetic rubber mfg. 36.0 11.0 44.8 11.2 32522Artificial and synthetic fibers and filaments mfg. c 70.3 4.2 c 78.2 5.0 32531 Fertilizer mfg. 60.1 5.6 54.3 7.8 32532 Pesticide and other agricultural chemical mfg. 51.8 8.3 35.5 2.4 3254 Pharmaceutical and medicine mfg. c 67.4 4.8 c 47.8 3.5 3255Paint, coating, and adhesive mfg. c 44.2 3.7 c 45.6 5.1 3256Soap, cleaning compound, and toilet preparation mfg. c 49.1 3.4 c 54.4 3.6 3259Other chemical product and preparation mfg. 43.4 4.7 48.6 5.1 3261 Plastics product mfg. 50.1 3.8 52.8 3.9 32621 Tire mfg. 81.3 2.5 77.5 3.1 32622, 9All other rubber product (excluding tires)

mfg. 54.9 3.3 54.3 3.0 3271 Clay

product and refractory mfg. 34.5 6.0 36.5 5.6 3272Glass and glass product mfg. 49.7 6.7 51.7 7.8 32731 Cement mfg. 54.3 3.9 66.4 3.6

EPA-HQ-OW-2008-0667-DRAFT-3283 EMERGENCY Utilization Rates 2

### Record for the Final Section 316(b) Existing Facilities Rule

32732, 9 Ready-mix concrete; concrete pipe, brick,

and block; and other concrete mfg. 12.6 2.4 13.3 2.7 3274 Lime and gypsum product mfg. c 31.2 5.6 c 37.9 6.7 3279Other nonmetallic mineral product mfg 46.4 4.9 44.4 5.4 3311, 2 Iron and steel mills and ferroalloy mfg.; and steel product mfg from purchased steel 42.4 6.9 45.1 7.2 3313Alumina and aluminumproduction and processing 42.0 8.5 48.7 9.9 3314 Nonferrous metal (except aluminum) production and processing 52.3 8.0 48.1 5.2 3315 Foundries 53.5 4.2 57.3 3.8 3321, 2, 4, 5, 6 Forging and stamping; cutlery, handtool,

boiler, tank, shipping container, hardware, and spring and wire mfg. 48.0 3.2 49.9 3.4 3323, 7, 8, 9All other fabricated metal product mfg. 30.8 4.9 39.8 3.2 3331 Agriculture, construction, and mining

machinery

mfg. 49.1 4.4 42.9 4.9 3332 Industrial machinery mfg. 33.3 5.6 39.3 2.3 3333Commercial and service industry machinery mfg. 40.5 5.3 47.9 4.4 3334Ventilation, heating, air-conditioning, and commercial refrigeration equipment mfg. 37.8 4.7 38.2 4.5 3335Metalworking machinery mfg. 41.3 3.6 41.5 3.7 3336 Engine, turbine, and power transmission equipment mfg. 51.3 1.9 46.3 2.4 3339Other general purpose machinery mfg. 46.8 2.5 45.3 2.3 3341 Computer and peripheral equipment mfg. c 37.9 7.7 c 46.0 12.2 3342Communications equipment mfg. c 46.7 3.4 45.0 2.8 3343, 6Audio and video equipment mfg; and

manufacturing and reproducing magnetic and optical media 63.3 4.9 c 47.5 4.2 334411 Electron tube mfg. 56.3 4.8 54.7 3.3 334412, 4-9Bare printed circuit board, electronic

capacitor, and other electronic component mfg. c 45.8 6.4 c 45.8 6.3 334413Semiconductor and related device mfg. c 62.6 6.9 c 61.0 7.9 3345Navigational, measuring, electromedical, and control instruments mfg. c 44.1 3.1 c 46.7 3.3 3351 Electric lighting equipment mfg. c 32.1 4.1 35.2 3.8

EPA-HQ-OW-2008-0667-DRAFT-3283 EMERGENCY Utilization Rates 3

### Record for the Final Section 316(b) Existing Facilities Rule

3352 Household appliance mfg. 45.6 3.9 52.7 4.6 3353, 9 Electrical equipment and component mfg. 44.3 4.7 43.0 4.0 336111 Automobile mfg. 33.7 1.2 36.1 1.4 336112 Light truck and utility vehicle mfg. 56.7 6.0 61.4 6.6 33612 Heavy

duty truck mfg. 25.9 2.8 25.3 2.7 3362 Motor vehicle body and trailer mfg. 32.0 3.3 31.9 3.5 3363Motor vehicle parts mfg. 35.2 6.5 32.7 6.5 3364Aerospace product and parts mfg. 55.4 1.2 54.5 2.3 3365, 6, 9 Railroad rolling stock, ship, boat, and other

transportation equipment mfg. c 22.4 7.5 26.0 6.7 3371 Household and institutional furniture and kitchen cabinet mfg. 32.5 2.4 35.5 2.6 3372Office furniture (incl. fixtures) mfg. 39.9 3.0 42.1 3.1 3379Other furniture related product mfg. 40.3 5.8 39.5 5.0 3391 Medical equipment and supplies mfg. 43.0 4.8 45.3 5.4 33991,2, 3Jewelry, silverware, sporting and athletic

goods, and doll, toy

and game mfg. 34.7 3.7 33.6 3.0 33994-5Office supplies (except paper) and sign

mfg. 47.6 4.5 50.0 3.7 33999All other miscellaneous mfg. 63.2 14.7 60.1 14.4 51111, 3Newspaper and book publishers c 47.7 6.6 c 47.8 7.3 51112 Periodical publishers c 71.2 14.8 c 76.6 8.1 51114, 9All other publishers c 64.8 9.9 c 68.9 9.7

1/ Includes manufacturing plants without specific NAICS industry codes as specified within the table and excludes publishers (51111-51119)

c The emergency

utilization rate is based on responses with industry coverage of less than 50 percent. Coverage is calculated by industry group as the ratio of the weighted measure of size for respondents to the weighted measure of size for the entire sample. **Note:**Data may

differ from that previously published due to data revisions made during the processing of the current quarter.

EPA-HQ-OW-2008-0667-DRAFT-3283 EMERGENCY Utilization Rates 4

### Record for the Final Section 316(b) Existing Facilities Rule

EPA-HQ-OW-2008-0667-DRAFT-3283 EMERGENCY Utilization Rates 5

### Record for the Final Section 316(b) Existing Facilities Rule

EPA-HQ-OW-2008-0667-DRAFT-3283 EMERGENCY Utilization Rates 6

### Record for the Final Section 316(b) Existing Facilities Rule

EPA-HQ-OW-2008-0667-DRAFT-3283 EMERGENCY Utilization Rates 7

### Record for the Final Section 316(b) Existing Facilities Rule

EPA-HQ-OW-2008-0667-DRAFT-3283 EMERGENCY Utilization Rates 8Record for the Final Section 316(b) Existing Facilities Rule



## Ap**pendix**

**Survey Methodology** 

**Reliability**

**of the Estimates** The sample for the 2010 fourth quarter release is a continuation of a new sample of establishments selected from the 2008 Business Register with updated information from the 2007 Economic Census. The sample frame contained approximately 210,000 manufacturing establishments and 13,000 publishing establishments. Sampling probabilities for the quarterly survey were assigned proportionate to the total value of shipments. The actual sample allocation was determined by the priority industry requirements specified by the Federal Reserve Board (FRB). The resulting sample size was approximately 7,500 establishments.

The FRB’s requirements include 95 industry groups corresponding predominantly to the 4-digit NAICS industries or combinations. Each of these 95 industry groups is sampled independently to satisfy the total sample size constraint. The sampling procedure ensured that the allocated sample size for each industry group was exactly realized.

Sampling error is the difference between estimates obtained from the sample and results theoretically obtainable from a comparable complete enumeration of the sampling frame. This error results because only a subset of the sampling frame is measured in a sample survey. Standard errors of the estimates shown in this publication, which are estimated measures of the sampling variability, are displayed along with the corresponding estimates in Tables 1 and 2 of this report. These standard errors may be used to define confidence intervals about the corresponding estimates with a desired level of confidence. Only one of many possible samples was selected. If confidence intervals were constructed for each of these possible samples, then it would be expected that the percentage of confidence intervals containing the complete coverage result would equal the percent of the level of confidence. For example, the interval defined by one standard error below the estimate to one standard error above the estimate approximately yields a 68-percent confidence interval, the interval defined by two standard errors approximately yields a 95-percent confidence interval, and the interval defined by two and a half standard errors approximately yields a 99-percent confidence interval. The average plant hours per week in operation for an industry are estimated based on those plants in the industry reporting plant hours. Simple weighted estimates of the plant hours are formed by applying the plant’s sample weight to its respective values and adding these weighted values across the reporting plants. The average is formed as the ratio of the plant hours weighted sum to the sum of the weights for the reporting plants. The full production utilization rate for an industry is estimated based on those plants in the industry reporting both the actual value of production and the full production estimate. Simple weighted estimates of the two variables are formed by applying the plant’s sample weight to its respective values and adding these weighted values across the reporting plants. The utilization rate for a particular industry group is formed as the ratio of the actual production weighted sum to the full production weighted sum for that given industry. A similar procedure is used to estimate the national emergency production utilization rates, using the actual value of production and the national emergency production estimate.

The survey estimates presented in this report are subject to both sampling and nonsampling errors. Potential nonsampling errors include various response and operational errors, such as errors during data collection, reporting errors, transcription errors, and bias due to nonresponse. These are all types of errors that could also occur if a complete enumeration had been done under the same conditions as the sample survey. Most of the important operational errors were detected and corrected during the course of reviewing data for reasonableness and consistency. Though nonsampling error is not measured directly, quality control procedures are employed throughout the survey process to minimize this type of error.

EPA-HQ-OW-2008-0667-DRAFT-3283 Appendix 1