(2) Upon reasonable basis to believe that there may be a release of a hazardous substance at or upon any property or facility, the department or its authorized representative may enter any property or facility at any reasonable time to:

(a) Sample, inspect, examine and investigate;

(b) Examine and copy records and other information; or

(c) Carry out removal or remedial action or any other action authorized by ORS 465.200 to 465.545 and 465.900.

(3) If any person refuses to provide information, documents, records or to allow entry under subsections (1) and (2) of this section, the department may request the Attorney General to seek from a court of competent jurisdiction an order requiring the person to provide such information, documents, records or to allow entry.

(4)(a) Except as provided in paragraphs (b) and (c) of this subsection, the department or its authorized representative shall, upon request by the current owner or operator of the facility or property, provide a portion of any sample obtained from the property or facility to the owner or operator.

(b) The department may decline to give a portion of any sample to the owner or operator if, in the judgment of the department or its authorized representative, apportioning a sample:

(A) May alter the physical or chemical properties of the sample such that the portion of the sample retained by the department would not be representative of the material sampled; or

(B) Would not provide adequate volume to perform the laboratory analysis.

(c) Nothing in this subsection shall prevent or unreasonably hinder or delay the department or its authorized representative in obtaining a sample at any facility or property.

(5) Persons subject to the requirements of this section may make a claim of confidentiality regarding any information, documents or records, in accordance with ORS 466.090. [Formerly 466.565]