| (a) Compliance with §115.510 and §115.512(a)
of this title (relating to Definitions; and Control Requirements)
shall be determined by applying the following test methods, as appropriate:
(1) American Society of Testing and Materials (ASTM)
Test Method D 244, "Standard Test Methods for Emulsified Asphalts,
Sections 11 to 15, Residue and Oil Distillate by Distillation," for
determining volatile organic compound (VOC) content of asphalt emulsions;
(2) ASTM Test Method D 402, "Standard Test Method for
Distillation of Cut-Back Asphaltic Products," for determining the
VOC content of cutback asphalt;
(3) test methods other than those specified in this
section may be used if validated by 40 CFR Part 63, Appendix A, Test
Method 301 and approved by the executive director; or
(4) minor modifications to these test methods approved
by the executive director.
(b) Once triggered to meet contingency requirements,
the following testing requirements apply in addition to those specified
in subsection (a) of this section to determine compliance with §115.512(b)
of this title (relating to Control Requirements):
(1) American Association of State Highway and Transportation
Officials (AASHTO) Test Method AASHTO T 59, Section 6, Residue and
Oil Distillate by Distillation, or American Society of Testing and
Materials (ASTM) Test Method D 244, Sections 11 to 15, Residue and
Oil Distillate by Distillation for determining volatile organic compound
(VOC) content by volume of emulsified asphalt;
(2) test methods other than those specified in this
section may be used if validated by 40 CFR Part 63, Appendix A, Test
Method 301 and approved by the executive director; or
(3) minor modifications to these test methods approved
by the executive director.
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| Source Note: The provisions of this §115.515 adopted to be effective February 19, 1990, 15 TexReg 549; amended to be effective August 1, 1992, 17 TexReg 4683; amended to be effective August 18, 1999, 24 TexReg 6301; amended to be effective May 16, 2024, 49 TexReg 3292 |
