id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cjel-4044	Newcombe, George M.	Impossibility: A Viable Defense under the Clean Air Act?	2019	40	.pdf	application/pdf	16825	810	54	The bar posed in section 307(b) (2) was found to be inapplicable since it operates only on issues which could have been reviewed in a section 307(b) (1) proceeding.1 8 It is submitted that the Buckeye court erred in rigidly con- struing the four month approval period to preclude any considera- tion of the feasibility of state emission standards by the Administra- tor. 179 hazardous source emission standards and existing source emission standards under a federally imposed implementation plan;127 fed- eral enforcement of state promulgated emission standards contained in approved implementation plans; 12 8 state enforcement of federally promulgated new, existing and hazardous source emission stand- ards; 129 and state enforcement of state promulgated emission stand- ards contained in an approved implementation plan.13 0	cache/cjel-4044.pdf	txt/cjel-4044.txt