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

40 CFR Table B-4 to Subpart B of Part 53: Table B-4 to Subpart B of Part 53—Line Voltage and Room Temperature Test Conditions

Where this section sits in the code

Title 40—Protection of Environment
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER C—AIR PROGRAMS
PART 53—AMBIENT AIR MONITORING REFERENCE AND EQUIVALENT METHODS
Subpart B—Procedures for Testing Performance Characteristics of Automated Methods for SO2, CO, O3, and NO2

Test day Line voltage,1 rms Room temperature,2 °C Comments

0 115 25 Initial set-up and adjustments.

1 125 20

2 105 20

3 125 30 Adjustments and/or periodic maintenance permitted at end of tests.

4 105 30

5 125 20

6 105 20 Adjustments and/or periodic maintenance permitted at end of tests.

7 125 30 Examine test results to ascertain if further testing is required.

8 105 30

9 125 20 Adjustments and/or periodic maintenance permitted at end of tests.

10 105 20

11 125 30

12 105 30 Adjustments and/or periodic maintenance permitted at end of tests.

13 125 20

14 105 20

15 125 30

1 Voltage specified shall be controlled to ±1 volt.

2 Temperatures shall be controlled to ±1 °C.

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