The Delaware Department of Natural Resources and Environmental Control extended the public comment period on the company’s permit application through close of business Dec. 31.

On Oct. 19, DNREC received a Regulation No. 1102 Natural Minor Construction Permit Application submitted by Walan Specialty Construction Products to construct a slag grinding, drying and processing facility at the company’s proposed location for the facility at 501 Christiana Ave. in Wilmington.

Anyone wishing to submit written comment for DNREC Secretary Shawn M. Garvin’s consideration regarding Walan Specialty Construction Products’ construction permit application may do so by emailing DNREC Hearing Officer Lisa Vest at, or by mail to Vest’s attention of DNREC Office of the Secretary, 89 Kings Highway, Dover, DE 19901.

Comments must be submitted in written form and received by the department no later than close of business, 4:30 p.m. Dec. 31, for inclusion in the formal hearing record.