Indiana Administrative Code
Title 326 - AIR POLLUTION CONTROL DIVISION
Article 20 - HAZARDOUS AIR POLLUTANTS
Rule 13.1 - Secondary Lead Smelters
Section 13.1-7 - Total enclosure monitoring requirements

Universal Citation: 326 IN Admin Code 13.1-7

Current through March 20, 2024

Authority: IC 13-14-8; IC 13-17-3-4; IC 13-17-3-11

Affected: IC 13-15; IC 13-17

Sec. 7.

(a) In addition to the requirements in section 1(d) of this rule, and the requirements in section 6 of this rule, the owner or operator of a secondary lead smelter using a total enclosure shall do the following:

(1) Submit a monitoring system plan describing the installation and operation of a continuous monitoring system that meets the requirements of subdivisions (2) and (3). The plan shall be postmarked or hand delivered to the department one hundred twenty (120) days prior to installation of the continuous monitoring system.

(2) The owner or operator of a secondary lead smelter shall install, operate, and maintain a minimum of one (1) building digital differential pressure monitoring system to continuously monitor each total enclosure at each of the following three (3) walls in each total enclosure that has a total ground surface area of ten thousand (10,000) square feet or more:
(A) The leeward wall.

(B) The windward wall.

(C) An exterior wall that connects the leeward and windward wall at a location defined by the intersection of a perpendicular line between a point on the connecting wall and a point on its furthest opposite exterior wall, and intersecting within plus or minus ten (10) meters of the midpoint of a straight line between the two (2) other monitors specified. The midpoint monitor must not be located on the same wall as either of the other two (2) monitors.

(3) The owner or operator of a secondary lead smelter shall install and maintain a minimum of one (1) building digital differential pressure monitoring system at the leeward wall of each total enclosure that has a total ground surface area of less than ten thousand (10,000) square feet.

(b) Within one hundred eighty (180) days after written approval of the continuous monitoring system plan by the department, the owner or operator of a secondary lead smelter shall install and operate a continuous monitoring system that consists of the following:

(1) A digital differential pressure sensor capable of measuring pressure within a range of one-hundredth (0.01) to two-tenths (0.2) millimeters mercury (five-thousandths (0.005) to eleven-hundredths (0.11) inches of water) with a minimum accuracy of plus or minus one-thousandth (0.001) millimeters of mercury (five ten-thousandths (0.0005) inches of water).

(2) A processor.

(3) An alarm.

(4) A continuous recording device.

(c) The owner or operator of a secondary lead smelter shall calibrate each digital differential pressure monitoring system in accordance with the manufacturer's specifications at least once every twelve (12) calendar months or more frequently if recommended by the manufacturer.

(d) The owner or operator of a secondary lead smelter shall obtain prior written approval from the department for any changes to the location or operation of the continuous monitoring system.

(e) The owner or operator of a secondary lead smelter shall initiate corrective actions within thirty (30) minutes of a monitoring system alarm.

(f) The owner or operator of a secondary lead smelter shall notify the department within seven (7) days of any physical changes to the total enclosure including, but not limited to, ventilation capacity and building size.

(g) The owner or operator of a secondary lead smelter shall maintain the following on site for a period of three (3) years and have available the following records for an additional two (2) years:

(1) Records of the pressure differential.

(2) Logs of monitoring system alarms, including date and time.

(3) Logs of corrective actions, including date and time.

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