(a) General rule.--It shall be unlawful for a person to violate or to cause or assist in the violation of this chapter, to fail to comply with an order or condition of accreditation within the time specified by the department or to hinder, obstruct, prevent or interfere with the department in the performance of its duties under this chapter.

(b) Refusal of accreditation.--The department may refuse to issue a certificate of accreditation to an environmental laboratory which has demonstrated a lack of intention or ability to comply with this chapter or engaged in unlawful conduct or which has an employee, officer, contractor, agent or other person set forth in regulation who has engaged in unlawful activity under this chapter unless the applicant demonstrates to the satisfaction of the department that the unlawful conduct is being or has been corrected.

(c) Denial of access.--It shall be unlawful for an accredited laboratory or other person subject to regulation under this chapter to deny the department access to make inspections and conduct tests or sampling, including the examination and copying of books, papers, records and data pertinent to any matter under investigation pursuant to this chapter. Failure to provide the department with access shall result in the immediate suspension of any accreditation of the laboratory. Upon notice from the department, the laboratory shall immediately cease testing or analysis of environmental samples. The department may revoke an accreditation for failure to provide the department with access to make inspections and conduct tests or sampling, including the examination and copying of books, papers, records and data pertinent to any matter under investigation pursuant to this chapter.

(d) Notice.--The environmental laboratory shall notify each of its customers in writing within 72 hours of receipt of the department's notice if the department suspends or revokes in whole or in part a certificate of accreditation. The notice shall be on a form and in a manner approved by the department.