; and (2) make such additional chemical screening devices available to U.S. Customs and Border Protection as the Secretary determines are necessary for U.S. Customs and Border Protection to carry out activities to interdict fentanyl, other synthetic opioids, and other narcotics and psychoactive substances that are illegally imported into the United States, including such substances that are imported through the mail or by an express consignment operator or carrier. (b) Personnel To interpret data The Secretary shall dedicate the appropriate number of personnel, including scientists, to U.S. Customs and Border Protection so that personnel are available during all operational hours to interpret data collected by chemical screening devices. 4. Authorization of appropriations There are authorized to be appropriated to the Secretary $15,000,000 to ensure that U.S. Customs and Border Protection— (1) has sufficient resources and personnel, including scientists, available during all operational hours to prevent the unlawful importation of fentanyl, other synthetic opioids, and other narcotics and psychoactive substances; and (2) is provided with sufficient chemical screening devices to facilitate the effective and efficient detection and identification of such substances.