You can purchase the NFPA standard you need at a very low price.You can download NFPA standards here.
NFPA 2112-2023
NFPA 407:2022
NFPA 85:2023
NFPA 68:2018
NFPA 276-2023
You can download NFPA 501:2022 pdf here.
You can download NFPA 111:2022 pdf here.
You can download NFPA 2500:2022 pdf here.
You can download NFPA 423:2022.
NFPA 18A:2022