N.Y. Comp. Codes R. & Regs. tit. 10, § 55-2.6
(a) The department may deny an environmental laboratory's application for a certificate of approval for the following reasons:
(7) the owner(s) and/or technical director(s) listed on the application are determined by the department to lack the character and competence necessary to ensure compliance with the applicable laws, rules and regulations after consideration of factors including but not limited to:
(11) denial of entry to representatives of the department or a State program recognized by the department pursuant to section 55-2.9 of this Subpart, for on-site assessment during normal business hours.
(b)
(4) If the laboratory properly seeks reconsideration of the proposed denial, the department shall review its proposed denial and shall issue a written determination after reconsideration. The determination after reconsideration may affirm, revoke or modify the proposed denial, allow issuance of a certificate of approval conditional on maintenance of corrective action, or require that the laboratory take corrective action. Such determination shall be the final decision of the department.
(c)
(3) An environmental laboratory's certificate of approval shall be suspended automatically, in affected analytes and/or categories, for failure to maintain a record of at least two satisfactory proficiency testing (PT) events within the three most recent PT events.
(i) The department may suspend an environmental laboratory's certificate of approval, in affected analytes and/or categories, for reasons including:
(4)
(7) Notwithstanding any of the provisions of this subdivision, the Commissioner of Health may suspend a laboratory's certificate of approval pursuant to the summary action provisions of Public Health Law, section 16.
(d)
(1) The department may revoke an environmental laboratory's certificate of approval in affected analytes and/or categories for reasons including:
(3) The department may revoke an environmental laboratory's certificate of approval, in total, for reasons including: