http://www.southwest.com/suppliers http://www.southwest.com/assets/pdfs/corporate-commitments/procurement_policy.pdf http://www.southwestonereport.com/ p.	62 2012 Southwest Airlines One Report // People // Suppliers 	Documentation	of	environmental	efforts,	achievements,	and	certifications	 		Notices	of	environmental	violations	 from	 federal,	 state,	and	 local	 regulatory	agencies	 °		Our	standard	request	for	information	encourages	suppliers	to	consider	recycled	 and	recyclable	materials	when	selecting	materials	and	design	solutions.