; and (bb) as of the date of the application, the number of cases in which the applicant is awaiting identification of a covered substance; (II) any documented case of a law enforcement officer, first responder, or treating medical personnel in the jurisdiction of the applicant who has suffered an accidental drug overdose caused by exposure to a covered substance while in the line of duty; (III) any chemical screening device the applicant will purchase using grant funds, including the estimated cost of the chemical screening device; and (IV) any estimated costs relating to training personnel of the applicant to use a chemical screening device purchased using grant funds; and (ii) data relating to— (I) the approximate amount of covered substances seized by the applicant during the 2-year period ending on the date of the application, categorized by the type of covered substance seized; and (II) the approximate number of covered substance overdoses in the jurisdiction of the applicant that the applicant investigated or responded to during the 2-year period ending on the date of the application, categorized by fatal and nonfatal over­doses. (2) Joint applications (A) In general Two or more law enforcement agencies, including law enforcement agencies located in different States, that have jurisdiction over areas that are geographically contiguous may submit a joint application for a grant under this section that includes— (i) for each law enforcement agency— (I) all information required under paragraph (1)(A); and (II) any optional information described in paragraph (1)(B) that each law enforcement agency chooses to include; (ii) a plan for the sharing of any chemical screening devices purchased or training provided using grant funds; and (iii) a certification that not less than 1 employee of each law enforcement agency will be trained to— (I) use any chemical screening device purchased using grant funds