Delaware Code Title 7. Conservation § 9106. Investigation and access

(a)(1) If there is a reasonable basis to believe there was a release or is an imminent threat of release, the Secretary may require information or documents relevant to the release or imminent threat of release from any person who may have information pertinent to:

(2) The Secretary or his or her authorized employees or agents may enter, at reasonable times, upon any real property, public or private, to conduct sampling, inspection, examination, and investigation evaluating the release or imminent threat of release to determine the need for a remedy or to execute the remedy upon given verbal notice, and after presenting official identification to the owner or operator.  The Secretary or other authorized person gaining access under this section, if requested in advance, shall split a sample with the operator, or person in charge of the facility.  If any analysis is made of the samples, a copy of the results of the analysis may be furnished to the owner, operator, or person in charge.

(1) An emergency exists that requires immediate action to protect public health or welfare or the environment;  and

(2) The operator is unwilling or unable to take such immediate action, the Secretary, or his or her authorized employees or agents, without court order, may enter upon a facility and take any immediate action necessary to abate the emergency notwithstanding the provisions of § 9107(e) of this title.