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Approved Air Quality Implementation Plans in Region 6

Louisiana, Arkansas, Oklahoma, New Mexico, Texas and Tribal Nations

Use the tabs below to find approved State Implementation Plans (SIPs), Tribal Implementation Plans (TIPs), and Federal Implementation Plans (FIPs) within EPA Region 6 states listed above.

SIPs
TIPs
FIPs

State	Location of FIPs in 40 CFR 52 (if applicable)	Location in Code of Federal Regulations
AR	Subpart E	http://www.ecfr.gov/cgi-bin/text-idx?SID=6a96a66baf4e1b2dcbbedbae52973d70&mc=true&node=sp40.3.52.e&rgn=div6
LA	Subpart T	http://www.ecfr.gov/cgi-bin/text-idx?SID=6a96a66baf4e1b2dcbbedbae52973d70&mc=true&node=sp40.3.52.t&rgn=div6
NM	Subpart GG	http://www.ecfr.gov/cgi-bin/text-idx?SID=6a96a66baf4e1b2dcbbedbae52973d70&mc=true&node=sp40.4.52.gg&rgn=div6
OK	Subpart LL	http://www.ecfr.gov/cgi-bin/text-idx?SID=6a96a66baf4e1b2dcbbedbae52973d70&mc=true&node=sp40.4.52.ll&rgn=div6
TX	Subpart SS	http://www.ecfr.gov/cgi-bin/text-idx?SID=6a96a66baf4e1b2dcbbedbae52973d70&mc=true&node=sp40.5.52.ss&rgn=div6