Disclosed herein are materials, articles of manufacture, and methods for reducing, mitigating, or precluding formation of and/or amount of a nitrosating agent and/or an N-nitroso compound, including an N-nitrosamine, from a packaging containing an active agent and a pharmaceutical dosage form in an enclosure, wherein the active agent is effective to reduce mitigate or preclude the formation and/or amount of a nitrosating agent and/or N-nitroso compound in the enclosure and/or in the pharmaceutical dosage form. Provided are drug delivery systems comprising a blister pack configured to house multiple pharmaceutical dosage forms, the blister pack comprising an active ingredient that is effective to reduce, mitigate or preclude the formation and/or amount of a nitrosating agent and/or N-nitroso compound in an enclosure of the blister pack and/or in the pharmaceutical dosage form.

Provided herein are tank-sensor systems and related manufacturing methods. In at least one aspect, the tank-sensor system includes a tank liner. The tank liner includes a body having a top end, a bottom end, an outer surface, and an inner surface. The tank liner also includes a recessed opening having a recessed portion and an opening. The recessed portion is positioned on the outer surface and the opening is positioned within the recessed portion and defines a through-hole between the outer surface and the inner surface. The tank-sensor system also includes a sensor inserted into the opening and engaging with the recessed portion, and a coating disposed around the outer surface of the tank liner and sealing the recessed opening.