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HomeMy WebLinkAbout20210610_Blast NOV Response ��n�5TA1£q, ROY COOPER Governor DIONNE DELLI-GATTI Secretary �AM° * BRIAN WRENN NORTH CAROLINA Director Environmental Quality June 10, 2021 Certified Mail Return Receipt Requested 7019 1120 0000 5072 4847 Ms. Patricia Jordan Jordan Land Development, Inc. PO Box 863 West Jefferson,NC 28694 RE: West Jefferson Quarry Mining Permit No. 05-07 Ashe County New River Basin Dear Ms. Jordan: Our office has completed its review of Jordan Land Development,Inc.'s blasting information,including the Notice of Violation response sent in regard to the April 26, 2021 blast conducted at the West Jefferson Quarry. The remediation measures outlined in the investigation report have been found to satisfactorily meet the corrective actions required by this office. Primarily,the remediation measures are as follows: • Seismograph readings will be reviewed immediately by Jordan Land Development, Inc. management, and the NC Department of Environment and Natural Resources will be contacted if excessive peak velocity is noted. • The seismograph will be placed in the proper location and secured with sandbags due to site conditions. In order to ensure accurate seismograph readings in the future, the above remedial measures should be considered part of the blasting procedures used at this facility. In the future, please carefully review the records of each blast and ensure that all blast monitoring equipment is secured in order to provide proper readings. I appreciate your company's prompt investigation of this matter upon receipt of our Notice of Violation dated May 6,2021. Blasting operations may resume at the above-mentioned site. Please provide this office with complete records for each blast performed at this mine site after the April 26, 2021 blast for the next four blasts, or all blasts conducted in the next six months,whichever occurs later. Q � North Carolina Department of Environmental Quality I Division of Energy,Mineral and Land Resources tr�.& _D E512 North Salisbury Street 1 1612 Mail Service Center I Raleigh,North Carolina 27699-1612 NORT.C+ OUNA f s 919.707.9200 Certified Mail Ms. Jordan Page 2 Please do not hesitate to contact Ms. Tamera Eplin, P.E., Regional Engineer, at (336) 776-9654, or Ms. Jenna Spencer, P.E., Assistant Mining Engineer, at (919) 707-9220 regarding any questions you might have about this matter. Sincerely, David Miller David Miller,P.E. State Mining Engineer Division of Energy,Mineral, and Land Resources DM/j s cc: Ms. Tamera Eplin,P.E.