Section 139.13. Emissions of SO 2 , H 2 S, TRS and NO 2

The following are applicable to tests for determining emissions of SO₂, H₂S, TRS and NO₂ from stationary sources:

(1) Test methods and procedures for sulfur oxides shall be equivalent to or modified to produce results equivalent to those which would be obtained by employing the procedures specified in § 139.4(5) (relating to references). Test methods and procedures for SO₂ from combustion sources shall be equivalent to or modified to produce results equivalent to those which would be obtained by employing procedures specified in § 139.4(5). Details for sampling equipment are contained in § 139.4(1) or (5).

(2) Test methods and procedures for HS shall be equivalent to or modified to produce results equivalent to those obtained by employing the procedures specified in § 139.4(5). The equipment shall be inert where appropriate and similar to that specified in § 139.4(1) or (5).

(3) Test methods and procedures for TRS shall be equivalent to or modified to produce results equivalent to those obtained by employing the procedures specified in § 139.4(5). The equipment shall be inert when appropriate and similar to that specified in § 139.4(1).

(4) For determination of emissions of TRS using EPA Method 16, a minimum of 16 injects per test run shall be analyzed. Each test run shall be over a period of at least 3 hours but not more than 6 hours. For determination of TRS emissions using EPA Method 16A, a test run shall consist of either one 3-hour sample or three 60-minute samples. Three test runs constitute a determination for purposes of both EPA Methods.

(5) Test methods and procedures and equipment for NO shall be similar to those specified in § 139.4(1) and (5).

(6) For determining emissions of SO₂ and H₂S, the minimum sampling time shall be 1 hour and the minimum sample volume shall be 30 cubic feet corrected to standard conditions—dry basis.

The provisions of this § 139.13 adopted March 3, 1972, effective March 20, 1972, 2 Pa.B. 383; amended April 27, 1979, effective August 1, 1979, 9 Pa.B. 1447; corrected May 11, 1979, effective August 1, 1979, 9 Pa.B. 1534; amended June 19, 1981, effective June 20, 1981, 11 Pa.B. 2132; amended August 12, 1983, effective August 13, 1983, 13 Pa.B. 2478; amended May 6, 1988, effective May 7, 1988, 18 Pa.B. 2102; amended November 25, 1994, effective November 26, 1994, 24 Pa.B. 5899. Immediately preceding text appears at serial pages (128483) to (128484) and (170287).

Notation

Cross References

This section cited in 25 Pa. Code § 123.45 (relating to alternative opacity limitations).