Document ZBJ9yKxDVRXdGy0dzmZx8nVk8

Measured by- the colorimetric'method as ' described In 416 Fed. leg. 22396. teveaber 2$. 1971. or t/ 'aii equivalent Method approved 6/ the Agency . Section 241.125 Ozone a) Standard. The ambient air quality standard for ozone I*.0.12 ppm (21S Mlcrograns per -cubic odter) maximum 1-hour concentration not to be exceeded on More than one day per year. b) Measurement Method. For determining conformance with, the ozone air quality standard, ozone shall be Measured by the ozone-ethylene reaction netted-as described . .In 40CFR SO Appendix-0 (1962). as amended. (Source:. Aaended at 6 111. He); S864. effective April 22. 1982) Section 243.126 . Wad a) . Standard. The ambient air quality standards dor lead and Its compounds are 1.5 alcrojrw per cubic meter, maximum arithmetic mean -average over a calendar quarter-. b) Measurement .Method. For determining ... conformance with' the ambient air quality ' standards for lead and Its compounds, lead and Its compounds shall be measured by the atomic absorbtton spectrometry or equivalent method as described In 40 CF8 SO. Appeadta 6 (1982). (Source: Amended at 7 ID. Reg. 9906. effective August 6. 1983) . Section "' , Rule 243.187.......................................... ... 306 243.108................................................ Added In Codification 343:121........ ....................... 307 243.. 122..306 2ll.12)..........-4.............. 310 243.124:.... r:.... ..................an 243.125.. ......... ...................... 312 243.126................................................ 313 Appendix A..........................................Added in Codification Appendix Ov.V................................ .. Added In . * Codification Appendix .............................................304 Appendix-C .. 'Fast Compliance Oates ! Rule 304 Except as otherwise noted, compliance with this Fart was required on dune 26. 1973. Appendix A Rule Into Section Table Rule section Unnumbered................................... .. 243.101 301 ...... ............. .............................. 243.102 302 .................................................. 243.103 303.. ..:................... 243.104 304.. :...:........ Appendix C 305......................................... 243.106 30b243.107 307................................................... 243.121 108:............... .............................. : 2411122 -309.................................................... Repealed 110 ................. .. ........................... .. 243.121 111 .................................................. 341.121 312.................................................... 241.12S 113.. ............................................ . 243.126 . ' * * ' * Appendix B Section Into Rule Table Section Rule -243.101..................... Unnumbered 24J.102.................................................. 301 243.101................................................... 302 243.104....................................................... .. J01 243.106.................................................. 10S - 180 -