Federal regulations · Through 2026-08-25 · Newer source version available

40 CFR Table 12 to Subpart G of Part 63: Table 12 to Subpart G of Part 63—Monitoring Requirements for Treatment Processes

To comply with Parameters to be monitored Frequency Methods
1. Required mass removal of Table 8 and/or Table 9 compound(s) from wastewater treated in a properly operated biological treatment unit, § 63.138(f), and § 63.138(g) Appropriate parameters as specified in § 63.143(c) and approved by permitting authority Appropriate frequency as specified in § 63.143 and approved by permitting authority Appropriate methods as specified in § 63.143 and as approved by permitting authority.
2. Steam stripper (i) Steam flow rate; and Continuously Integrating steam flow monitoring device equipped with a continuous recorder.
(ii) Wastewater feed mass flow rate; and Continuously Liquid flow meter installed at stripper influent and equipped with a continuous recorder.
(iii) Wastewater feed temperature; or (iv) Column operating temperature Continuously (A) Liquid temperature monitoring device installed at stripper influent and equipped with a continuous or recorder; or (B) Liquid temperature monitoring device installed in the column top tray liquid phase (i.e., at the downcomer) and equipped with a continuous recorder.
3. Other treatment processes or alternative monitoring parameters to those listed in item 2 of this table Other parameters may be monitored upon approval from the Administrator with the requirements specified in § 63.151(f)

Where this section sits in the code

Title 40—Protection of Environment
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER C—AIR PROGRAMS
PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES
Subpart G—National Emission Standards for Hazardous Air Pollutants From the Synthetic Organic Chemical Manufacturing Industry for Process Vents, Storage Vessels, Transfer Operations, and Wastewater

To comply with Parameters to be monitored Frequency Methods

1. Required mass removal of Table 8 and/or Table 9 compound(s) from wastewater treated in a properly operated biological treatment unit, § 63.138(f), and § 63.138(g) Appropriate parameters as specified in § 63.143(c) and approved by permitting authority Appropriate frequency as specified in § 63.143 and approved by permitting authority Appropriate methods as specified in § 63.143 and as approved by permitting authority.

2. Steam stripper (i) Steam flow rate; and Continuously Integrating steam flow monitoring device equipped with a continuous recorder.

(ii) Wastewater feed mass flow rate; and Continuously Liquid flow meter installed at stripper influent and equipped with a continuous recorder.

(iii) Wastewater feed temperature; or (iv) Column operating temperature Continuously (A) Liquid temperature monitoring device installed at stripper influent and equipped with a continuous or recorder; or (B) Liquid temperature monitoring device installed in the column top tray liquid phase (i.e., at the downcomer) and equipped with a continuous recorder.

3. Other treatment processes or alternative monitoring parameters to those listed in item 2 of this table Other parameters may be monitored upon approval from the Administrator with the requirements specified in § 63.151(f)

Collected 2026-08-27T02:26:04Z. Source file · JSON

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