**Instructions**

Sample and analyze the particulate matter collected in the hopper from each bag house or electrostatic precipitator (ESP) used to control particulate matter from potlines. Where more than one bag house or ESP discharges solids to a common hopper, a single sample will be adequate. In cases where solids from different compartments of a single bag house or ESP are collected in multiple hoppers or multiple collection sacks, a single composite sample will be adequate.

If a wet scrubber is used to control emissions from a potline, sample and analyze the scrubber sludge removed from the scrubber, and estimate the annual mass (dry basis) of this sludge. In addition, if applicable, sample and analyze the slurry injected into the scrubber and estimate the annual mass (dry basis) of the injected slurry. Finally, if there is an aqueous discharge or blowdown stream from the scrubber, sample and analyze the this liquid and estimate the annual volume discharged.

You must report the results of these chemical analyses in this Microsoft® Excel Emission Test Template. If more than one source was tested, you must make a copy of the worksheet and update the source ID in order to distinguish between each separate source of particulate matter. After completing the worksheet, you must also submit an electronic copy of the emission test report and the chemical analyses. (PDF format preferred).

## Electrostatic Precipitator or Dry **A lumina Scrubber/Bag House combination Dust** 

**Facility Name and A** **ddress Unit Description**  **Process Unit ID Control Device ID** * Alumax of South Carolina, Inc., 3575 Highway 52 North, PO Box 1000, Goose Creek, South carolina Potline 1 Dry Scrubber Control Device 161 East Potline 1 53002

**Sample ID No. K1104319-003** 

**Date Sampled Date(s) A** **naly zed**  05/02/2011 - 05/06/2011 5/27/2011

**HA P Metal**  **mg/kg** Antimony [<10] Beryllium [<1.0] Chromium [<2.0] Hexavalent chromium [<0.40] Lead [<10] Selenium [<20] Arsenic 34 Cadmium [<1.0] Cobalt [<2.0] Manganese [<1.0] Nickel 23.7

*** Enter multiple control device ID Nos. if the results apply to mulitiple control devices.**

## Electrostatic Precipitator or Dry **A lumina Scrubber/Bag House combination Dust** 

**Facility Name and A** **ddress Unit Description**  **Process Unit ID Control Device ID** * Alumax of South Carolina, Inc., 3575 Highway 52 North, PO Box 1000, Goose Creek, South carolina Potline 1 Dry Scrubber Control Device 161 W est Potline 1 53003

**Sample ID No. K1104319-001** 

**Date Sampled Date(s) A** **naly zed**  05/02/2011 - 05/06/2011 5/27/2011

**HA P Metal**  **mg/kg** Antimony [<10] Beryllium [<1.0] Chromium [<2.0] Hexavalent chromium [<0.40] Lead [<10] Selenium [<20] Arsenic 48 Cadmium 3.1 Cobalt [<2.0] Manganese [<1.0] Nickel 49.5

*** Enter multiple control device ID Nos. if the results apply to mulitiple control devices.**

## Electrostatic Precipitator or Dry **A lumina Scrubber/Bag House combination Dust** 

**Facility Name and A** **ddress Unit Description**  **Process Unit ID Control Device ID** * Alumax of South Carolina, Inc., 3575 Highway 52 North, PO Box 1000, Goose Creek, South carolina Potline 2 Dry Scrubber Control Device 162 East Potline 2 53004

**Sample ID No. K1104319-004** 

**Date Sampled Date(s) A** **naly zed** 

05/02/2011 - 05/06/2011 5/27/2011; 5/23/2011 for Hexavalent Chromium

**HA P Metal**  **mg/kg** Antimony [<10] Beryllium [<1.0] Chromium [<2.0] Hexavalent chromium [<0.40] Lead [<10] Selenium [<20] Arsenic 33 Cadmium [<1.0] Cobalt [<2.0] Manganese [<1.0] Nickel 18.5

*** Enter multiple control device ID Nos. if the results apply to mulitiple control devices.**

## Electrostatic Precipitator or Dry **A lumina Scrubber/Bag House combination Dust** 

**Facility Name and A** **ddress Unit Description**  **Process Unit ID Control Device ID** * Alumax of South Carolina, Inc., 3575 Highway 52 North, PO Box 1000, Goose Creek, South carolina Potline 2 Dry Scrubber Control Device 162 W est Potline 2 53005

**Sample ID No. K1104319-002** 

**Date Sampled Date(s) A** **naly zed**  05/02/2011 - 05/06/2011 5/27/2011

**HA P Metal**  **mg/kg** Antimony [<10] Beryllium [<1.0] Chromium [<2.0] Hexavalent chromium [<0.40] Lead [<10] Selenium [<20] Arsenic 40 Cadmium [<1.0] Cobalt [<2.0] Manganese [<1.0] Nickel 32.6

*** Enter multiple control device ID Nos. if the results apply to mulitiple control devices.**