a. Any person who shall fail to comply with an order of the commissioner issued pursuant to subdivision a of section 15-230 within the time specified in such subdivision or within such further period of time as may be provided by the environmental control board pursuant to subdivision b of section 15-230 shall, in addition to the penalties which may be imposed for the violation pursuant to section 15-229, be liable for a civil penalty of not more than five thousand dollars for each violation for which there has been a failure to comply with such order. Such civil penalty may be recovered in a proceeding before the environmental control board.
b. For the purposes of this section, if the environmental control board finds that a respondent has knowingly made false statements relating to the correction of a violation in a certification filed pursuant to section 15-230, such certification as to correction shall be null and void and the penalties set forth in this section may be imposed as if such false certification had not been filed with and accepted by the department.