SECTION 112.116. Recordkeeping Requirements

The owner or operator shall maintain records in written or electronic format sufficient to demonstrate compliance with each applicable requirement for a minimum of five years, including but not limited to the following:

(1) records, in units of pounds per hour, of production of carbon black for each grade of carbon black from each carbon black production unit;

(2) twice-daily records of sulfur content by weight of the carbon black oil feedstock;

(3) daily records of sulfur content by weight of the carbon black produced for each grade of carbon black produced by each carbon black production unit;

(4) records of continuous carbon black oil feedstock flow rates for each carbon black production unit;

(5) records of continuous tail gas volumetric flow rates to each tail gas combustion device covered by §112.112 of this title (relating to Control Requirements); and

(6) for each block one-hour period of operation of a carbon black production unit:

(A) records of the identification of each furnace on-line each minute of each block one-hour period;

(B) records of the applicable emission limit of sulfur dioxide (SO₂) as determined by §112.112 of this title during the block one-hour period, including any calculations conducted under §112.112(b) of this title;

(C) records of all information identified in §112.113 of this title (relating to Monitoring Requirements) and the required mass balance calculations of emissions of SO₂ for each emission point number with SO₂ emissions during the block one-hour period;

(7) documentation of any period that emission limits or standards were exceeded, and copies of exceedance reports submitted to the appropriate Texas Commission on Environmental Quality regional office; and

(8) copies of test reports for tests conducted in accordance with §112.114 of this title and associated records.

Source Note: The provisions of this §112.116 adopted to be effective October 27, 2022, 47 TexReg 6985