(a) Except as provided by Subsections (b), (c), and (d), information included in a report filed under this subchapter is public information and is not confidential unless it is determined to be confidential under this section.
(b) The department may not disclose information under Subsection (a) until the department has obtained the advice of the attorney general under this section with respect to the particular information to be disclosed. If the attorney general determines that the disclosure of particular information would constitute an unconstitutional taking of property, the information is confidential and the department shall exclude that information from disclosure.
(c) Information included in a report filed under this subchapter is confidential if the department determines that there is no reasonable scientific basis for concluding that the availability of the information could reduce risks to public health.
(d) Information included in a report filed under this subchapter is confidential under Chapter 552, Government Code, if the information would be excepted from public disclosure as a trade secret under state or federal law.