Spex Clothing Company, Inc. hired the Mack Group, LLC. to perform asbestos abatement activities on buildings located on Paterson Plank Road in Secaucus, NJ. The Respondents have violated requirements of the National Emission Standard for Asbestos ( Asbestos NESHAP ) found at 40 C.F.R. ý 61.145(c)(2) and 40 C.F.R. ý 61.145(c)(6)(i).