The police station immediately inspected the toxic evidence after receiving it. The police station is the grassroots organization of the public security system and the dispatched agency of the higher-level public security agency. In accordance with the national public security management regulations and the authority specified by the superior public security organs, the main tasks of the police station are: resolutely implement the lines, guidelines, and policies of public security work; fight against criminals; prevent and control the occurrence of various accidents, manage social security, and maintain Maintain public order; protect the people's legitimate rights and interests from infringement, and safeguard national security.

Extended information:

Standards for testing hair samples of drug-related personnel

Article 1 is to standardize the testing of hair samples of drug-related personnel and give full play to the role of hair sample testing in To play an active role in handling drug-related cases, this specification is formulated in accordance with the "Regulations on Drug Detection Procedures".

Article 2 The term "hair sample testing" as mentioned in this specification refers to the use of scientific and technical means to test the hair samples (hair) of suspected drug abusers to provide scientific basis for the public security organs to identify drug abuse behavior.

Article 3 When extracting hair samples, staff should wear disposable gloves and use medical scissors or serrated scissors to cut the back of the head of the person’s head (if insufficient hair cannot be extracted from the back of the head). For hair, you can choose hair with a length of less than 3 centimeters (the part of the head closest to the part); for hair longer than 3 centimeters, 3 centimeters need to be cut from the root.

Article 4 The extracted hair samples should be divided into two parts, A and B. The weight of each sample should be no less than 50 mg. They should be wrapped in aluminum foil, put into paper envelopes respectively, and then sealed in the envelopes. The envelope should be filled with information such as the sample number, extraction date and extraction person, and the seal of the envelope should be fingerprinted and signed by the person being extracted for confirmation. If the person being extracted refuses to fingerprint or sign, the person extracting the information should indicate this and videotape the entire extraction process.

Article 5 Hair extraction staff should prepare a hair sample extraction information form, recording the name of the person to be extracted, the resident identity number of the person to be extracted, the type of hair extracted, the location of extraction, the unit of extraction, the person who extracted it, and the time of extraction. and other information.

Article 6: If the hair of different people is extracted, it should be extracted separately, packaged independently, and uniformly numbered. Residues on the extraction equipment during the sampling process should be cleaned up in a timely manner to ensure that the samples are not cross-contaminated.

Article 7 The hair samples extracted should be stored in a room temperature, dark, dry, ventilated and clean environment, and should not be stored in the same room as the seized drugs. Samples suspected to contain infectious diseases and other dangerous risks should be stored in accordance with relevant regulations.

Article 8: The extracted hair samples shall be subject to on-site testing or laboratory testing in a timely manner in accordance with relevant regulations.