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Table 6 to Subpart UUUUU of Part 63—Establishing PM CPMS Operating Limits

Establishing PM CPMS Operating Limits

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Displayed edition2026-04-23
Last updated2026-04-23

Table 6 to Subpart UUUUU of Part 63—Establishing PM CPMS Operating Limits

Link to an amendment published at 91 FR 9117, Feb. 24, 2026.

As stated in § 63.10007, you must comply with the following requirements for establishing operating limits:

If you have an

applicable

emission limit

for . . .
And you choose

to establish PM

CPMS operating

limits, you must . . .
And . . .Using . . .According to the

following

procedures . . .
Filterable Particulate matter (PM), total non-mercury HAP metals, individual non-mercury HAP metals, total HAP metals, or individual HAP metals for an EGUInstall, certify, maintain, and operate a PM CPMS for monitoring emissions discharged to the atmosphere according to § 63.10010(h)(1)Establish a site-specific operating limit in units of PM CPMS output signal (e.g., milliamps, mg/acm, or other raw signal)Data from the PM CPMS and the PM or HAP metals performance tests1. Collect PM CPMS output data during the entire period of the performance tests.

2. Record the average hourly PM CPMS output for each test run in the performance test.

3. Determine the PM CPMS operating limit in accordance with the requirements of § 63.10023(b)(2) from data obtained during the performance test demonstrating compliance with the filterable PM or HAP metals emissions limitations.

[81 FR 20201, Apr. 6, 2016, as amended at 89 FR 38590, May 7, 2024]