Table 4 to Subpart III of Part 63 - Compliance Requirements for Slabstock Foam Production Affected Sources Complying With the Source-Wide Emission Limitation

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Emission point	Emission point compliance option	Emission, work practice, and equipment standards	Monitoring	Recordkeeping	Reporting
Diisocyanate storage vessels §63.1294(a)	Vapor balance	§63.1294(a)(1) and (1)(ii)	§63.1294(a)(1)(i)	§63.1307(a)(1) and (4)	§63.1306(e)(5).
	Carbon adsorber	§63.1294(a)(2)	§63.1303(a)(1), (3), and (4)	§63.1307(a)(1), (3)(i), and (3)(iii)	§63.1306(e)(3).
	Carbon adsorber—alternative monitoring	§63.1294(a)(2)	§63.1303(a)(2), (3) and (4)	§63.1307(a)(1), (3)(ii), and (3)(iii)	§63.1306(e)(3).
Diisocyanate transfer pumps §63.1294(b)	Sealless pump	§63.1294(b)(1)		§63.1307 (b)(1)(i) and (2)
	Submerged pump	§63.1294(b)(2)(i) and (iii)	§63.1294 (b)(2)(ii)	§63.1307 (b)(1)(i), (2), and (3)	§63.1306(e)(4).
Other components in diisocyanate service §63.1294(c)	N/A	§63.1294(c)	§63.1294(c)	§63.1307 (b)(1)(i) and (3)	§63.1306(e)(4).
HAP ABA storage vessels, equipment leaks, production line, and equipment cleaning	Rolling annual compliance	§63.1299(a), (c)(1) through (4), and (d)	§63.1303 (b) except (b)(1)(ii), (d), and (e)	§63.1307(c)(2)	§63.1306(e)(1).
	Monthly compliance	§63.1299(b), (c)(1) through (4), and (d)	§63.1303 (b) except (b)(1)(ii), (d), and (e)	§63.1307(c)(2)	§63.1306(e)(2).
	Compliance Using a Recovery device	§63.1299(a), (d), and (e) for rolling annual compliance or §63.1299(b), (d), and (e) for monthly compliance	§63.1303 (b) except (b)(1)(ii) and (c)	§63.1307(c)(2) and (d)	§63.1306(e)(1) or (2).

                    
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