Legal analysis: Criminal detention for environmental pollution crimes is generally 14 days, with the longest not exceeding 37 days, and criminal liability is also pursued. There is a high probability that he will be sentenced. Generally, criminal cases generally go through three stages, namely, the investigation stage, the public security organ review and prosecution stage, the People's Procuratorate, and the trial stage, the People's Court. Investigation stage: The public security organs can criminally detain current criminals or major suspects. Detainees must be interrogated within 24 hours of detention. When the public security organs carry out detention, they must produce a detention certificate and order the detainee to sign and fingerprint the detention certificate. If a detainee resists detention, enforcement officers have the right to use coercive methods, including the use of restraints. After detention, unless there are circumstances that impede the investigation or make notification impossible, the authority that decided to detain shall notify the detainee's family members or his unit within 24 hours of the reason for the detention and the place of detention. When the public security organ carries out detention in a different place, it shall notify the public security organ where the detainee is located, and the public security organ where the detainee is located shall cooperate.

Legal basis: Article 338 of the "Criminal Law of the People's Republic of China" Violating national regulations, discharging, dumping or disposing of radioactive waste, waste containing infectious disease pathogens, and toxic substances or other harmful substances, seriously polluting the environment, shall be sentenced to fixed-term imprisonment of not more than three years or criminal detention, and shall also or solely be fined; if the circumstances are serious, shall be sentenced to fixed-term imprisonment of not less than three years but not more than seven years, and shall also be fined; whoever falls under any of the following circumstances , shall be sentenced to fixed-term imprisonment of not less than seven years and shall also be fined: (1) Discharging, dumping, or disposing of radioactive waste or containing infectious disease pathogens in key protection areas determined by law such as drinking water source protection areas and core protection areas of nature reserves. Wastes and toxic substances, if the circumstances are particularly serious; (2) Discharging, dumping, and disposing of radioactive wastes, waste containing infectious disease pathogens, and toxic substances into important rivers and lakes designated by the state, and the circumstances are particularly serious; (3) Causing a large amount of permanent basic farmland to lose its basic functions or suffering permanent damage; (4) Causing multiple people to be seriously injured or seriously ill, or causing severe disability or death. If the conduct in the preceding paragraph is committed and constitutes other crimes at the same time, the offender shall be convicted and punished in accordance with the provisions on heavier penalties.