https://www.tceq.texas.gov/downloads/air-quality/sip/ozone/dfw/naaqs-2008/23107sip_2008dfw_sev_ad_appc_im-psm_ado.pdf/view
23107SIP 2008 DFW Severe AD SIP App C Adoption - Texas Commission on Environmental Quality -...
2008 DFW Severe AD SIP Appendix C I/M PSM Adoption