This matter is before the Occupational Safety and Health Review Commission (the Commission) pursuant to section 10(c) of the Occupational Safety and Health Act of 1970, 29 U.S.C. § 651 et seq. (the Act). The Andover, Massachusetts Area Office of the Occupational Safety and Health Administration (OSHA) conducted an inspection of a Respondent GTA Co., Inc. (GTA) job site located at West Wyoming Street, Melrose, Massachusetts, on December 7, 2018. The designated OSHA inspection number is 1365141. Following this inspection, on January 11, 2019, OSHA issued to Respondent GTA a two-item serious citation, a one-item willful citation, and a notification of penalty (citation). Respondent GTA received the citation on January 15, 2019. Therefore, the 15-working day notice of contest filing period ended on February 6, 2019.