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Precious Metals Recovery LLC RCRA Permit Application Dry Hills ...

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23.0 TREATMENT AND STORAGE TANKS<br />

Mercury-bearing wastes are designed to be treated in tank systems at the proposed TSF. Tanks<br />

will also be used to store caustic soda solution, hydrochloric acid, process waste solutions,<br />

process water, domestic water, diesel, oxygen, and nitrogen. Tanks at the proposed TSF will be<br />

selected to be compatible with the material(s) intended to be stored or treated in them. Tanks at<br />

the proposed TSF will be above ground storage tanks (ASTs) of various sizes; no underground<br />

storage tanks will be used.<br />

Tanks will be located in three areas. The water supply will be received and stored in two tanks<br />

located in the Utility Building, adjacent to the proposed TSF Building (not within the <strong>RCRA</strong><br />

area). The Fire Water Storage Tank and the Water Storage Tank have been designed with<br />

sufficient capacity and free board to prevent overflow.<br />

The oxygen, nitrogen, and diesel storage tanks will not be located inside the proposed TSF<br />

Building. These tanks are not regulated under <strong>RCRA</strong> and are not included in this permit<br />

application. The tanks will be managed in accordance with the hazardous materials requirements<br />

applicable to each substance.<br />

Reagent storage tanks and treatment tanks associated with the treatment and management of<br />

mercury-bearing materials process will be located inside the proposed TSF Building. The caustic<br />

soda and hydrochloric acid tanks will be managed by administrative controls (SOPs) to prevent<br />

them from being overfilled.<br />

The Caustic Soda Storage Tank is shown in Figure 23.0-1 and the Hydrochloric Acid Storage<br />

Tank is shown in Figure 23.0-2.<br />

PMR <strong>RCRA</strong> <strong>Permit</strong> <strong>Application</strong>, <strong>Dry</strong> <strong>Hills</strong> Facility Page 115<br />

JBR Environmental Consultants, Inc. | HATCH March 2013

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