On November 3, 2008, AM certified and submitted a Method 303 Report that demonstrated that on October 10 and 29, 2008, Unit B901 at the facility exceeded the charging operations visible particulate emission limit in Part III.A.I.1 of its Title V permit and the Ohio SIP at OAC Chapter 3745-17-07(B)(2)(a). The charging operations visible particulate emission exceedances on October 10 and 29, 2008, were violations of AMÂs Title V permit, the Ohio SIP, Section 110 of the Act, 42 U.S.C. § 7410, and Section 502 of the Act, 42 U.S.C. § 7661a. In addition, on November 3, 2008, AM certified and submitted a Method 303 Report that demonstrated that on October 10, 2008, Unit B901 at the facility exceeded the offtake piping visible particulate emission limit in Part III.A.I.1 of its Title V permit and the Ohio SIP at OAC Chapter 3745-17-07(B)(2)(b). The offtake piping visible particulate emission exceedance on October 10, 2008, was a violation of AMÂs Title V permit, the Ohio SIP, Section 110 of the Act, 42 U.S.C. § 7410, and Section 502 of the Act, 42 U.S.C. § 7661a. In response to the NOV, AM stated that the October 10, 2008 violation was a result of back pressure built up on the battery due to a plugged impulse line. AM corrected the problem, and put a preventative maintenance procedure in place to clean the impulse line on a monthly basis. AM stated the cause of the October 29, 2008 violation was failure of an automatic valve. According to AM, the equipment was fixed an