40 CFR Table 12 to Subpart G of Part 63
Monitoring Requirements for Treatment Processes
June 9, 2020
Open Table
| 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) |
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