Appendix I Response to Associated comment

North Carolina Department of Environment and Natural Resources DIVISION OF AIR QUALITY Michael F. Easley, Governor William G. Ross, Jr., Secretary B. Keith Overcash, P.E., Director August 18, 2003 Mr. John W. Kirk, III. President Associated Asphalt, Inc. P.O. Box 12626 Roanoke, VA 24027 Subject: Response to Comment on the Draft Salisbury Air Quality Monitoring Study Report Dear Mr. Kirk: Thank you for your September 30, 2002 letter in which Associated Asphalt (Associated) provided comment on the Division of Air Quality (DAQ) subject draft report dated April 30, 2002. Your letter contained several statements disagreeing with DAQ’s interpretation of the reported data and information. In particular, it was indicated that Associated “believe[s] that the ambient air in the Milford Hills area did not impose a health concern or nuisance odor during the study period” and that “there was not substantial evidence of a nuisance odor at the cul-de-sac location during the study period.” Associated also disagreed with the reported statement that “the liquid asphalt terminal is the primary contributor to the odor problem in the Milford Hills community.” Finally, Associated commented “the DAQ study did not discuss the impact of mobile sources on ambient concentrations of hydrogen sulfide.” Below is DAQ’s response to these comments; first on odor and hydrogen sulfide (H S) related issues, and then on health 2concerns. I. Odor ...