Document 2J6oKQLo7ej61pXq43K6yg0Da

Message From: Sent: To: Subject: Ringel, Aaron [/0=EXCHANGELABS/OU=EXCHANGE ADMINISTRATIVE GROUP (FYDIBOHF23SPDLT)/CN=RECIPIENTS/CN=1654BDC951284A6D899A418A89FB0ABF-RINGEL, AAR] 2/8/2018 6:37:21 PM Barfield, Blake [Blake.Barfield@FlollyFrontier.com] RE: call Just tried you. -Aaron From: Barfield, Blake [m ailto:Blake.Barfield@ FlollyFrontier.com ] Sent: Thursday, February 8, 2018 1:32 PM To: Ringel, Aaron <ringel.aaron@ epa.gov> Subject: RE: call I Ex. 6 Blake D. Barfield Director, Government Affairs The HollyFrontier Companies 2828 N. Harwood, Suite 1300 PM?.?.cIX..r.5201 b|ate^arfie|d@ho|]yfronyer^om CONFIDENTIALITY NOTICE: This e-mail, and any attachments, may contain information that is privileged and confidential. If you received this message in error, please advise die sender immediately by reply e-mail and do not retain any paper or electronic copies of this message or any attachments. Unless expressly stated, nothing contained in this message should he construed as a digital or electronic signature or a commitment to a binding agreement. From: Ringel, Aaron rmailto:rinqel.aaron@epa.aov1 Sent: Thursday, February 08, 2018 12:31 PM To: Barfield, Blake Subject: RE: call What number is best for you, have a quick meeting then I'll drop you a line. -Aaron From: Barfield, Blake [m ailto:Blake.Barfield@ FlollvFrontier.com l Sent: Thursday, February 8, 2018 1:27 PM To: Ringel, Aaron <nngel.aaron@epa.gov> Subject: RE: call I'm not in - what's best number to reach you? From: Ringel, Aaron [mailto:rinqel.aaron@epa.qovl Sent: Thursday, February 08, 2018 12:25 PM To: Barfield, Blake Subject: RE: call Sierra Club v. EPA 18cv3472 NDCA Tier 3/4 ED 002061 00157681-00001 Sure, I can chat this afternoon or we can grab coffee if you're in town. -Aaron From: Barfield, Blake [m ailto:Blake.Barfield@ HollyFrontier.com 1 Sent: Thursday, February 8, 2018 1:05 PM To: Ringel, Aaron <ringel.aaron@epa.gov> Subject: call Hey Aaron - Do you have a m inute to visit briefly by phone in the next day or tw o? Thanks Blake BDliarekcetoDr,. GBaorvfeierlndment Affairs T28h2e8HNo.llyHFarrownotioedr,CSoumitepa1n3ie0s0 Dallas, TX 75201 L bi.rla.rk.re..b.aorrfi.er .lrd.@r . jhollvfrontier.com CONFCDENTlALITy NOTICE: This e-mail, and any attachments, may contain information that is privileged and confidential. If you received this message in error, please advise she sender immediately by reply e-mail and do nor retain any paper or electronic copies of this message or any attachments. Unless expressly stared, nothing contained in this message should be construed as a digital or electronic signature or a commitment to a binding agreement. CONFIDENTIALITY NOTICE: This e-mail, and any attachments, may contain information that is privileged and confidential.If you received this message in error, please advise the sender immediately by reply e-mail and do not retain any paper or electronic copies of this message or any attachments.Unless expressly stated, nothing contained in this message should be construed as a digital or electronic signature or a commitment to a binding agreement. CONFIDENTIALITY NOTICE: This e-mail, and any attachments, may contain information that is privileged and confidential.If you received this message in error, please advise the sender immediately by reply e-mail and do not retain any paper or electronic copies of this message or any attachments.Unless expressly stated, nothing contained in this message should be construed as a digital or electronic signature or a commitment to a binding agreement. Sierra Club v. EPA 18cv3472 NDCA Tier 3/4 ED 002061 00157681-00002