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GA/T 2143-2024: Forensic sciences - Code of practice for assessment on ambient safety risk in crime scene investigation in fire cases
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GA/T 2143-2024: Forensic sciences - Code of practice for assessment on ambient safety risk in crime scene investigation in fire cases

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ICS 07.140 CCSA92 Public Security Industry Standard of the People's Republic of China Forensic Science Fire Case Scene Investigation Environment Safety Assessment Procedures Released on 2024-05-29 2024-10-01 Implementation The Ministry of Public Security of the People’s Republic of China issued

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was submitted by the Criminal Investigation Bureau of the Ministry of Public Security. This document is under the jurisdiction of the National Technical Committee on Criminal Technology Standardization (SAC/TC179). This document was drafted by. Beijing Institute of Technology, China People's Police University, Guizhou Provincial Public Security Department, Gansu Provincial Public Security Department, Tianjin Municipal Public Security Bureau Physical Evidence Identification Center, Physical Evidence Identification Center of Jilin Provincial Public Security Department. The main drafters of this document are. Li Xiangmei, Zhao Yanhong, Liu Yina, Zou Meishuai, Yang Rongjie, Li Xiaodong, Tian Renkui, Zhou Huaitao, Wang Rujiao, Sun Jilai, Song Tinglu, Pang Hucheng. Forensic Science Fire Case Scene Investigation Environment Safety Assessment Procedures

1 Scope

This document establishes the environmental safety assessment process for on-site investigation of fire-related cases, and stipulates the stages of identification and assessment of environmental factors/hazard sources. The operating instructions describe the evaluation methods such as questioning, recording, and instrument testing. This document is applicable to the identification of general environmental factors/hazard sources by on-site investigators during on-site investigations of fire-related cases in the field of forensic science. Special safety hazards should be assessed by professional institutions/experts. Other personnel who conduct or participate in fire investigations and their units for reference implement.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GBZ 2.1-2019 Occupational exposure limits for hazardous factors in the workplace Part 1.Chemical hazardous factors

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Fire case scene fire case scene Places where fire-related incidents occurred and where relevant traces and physical evidence were left behind. 3.2 Factors that may be harmful to the health of investigators at the scene of fire-related cases. 4.Fire-related case site investigation environmental safety assessment process The on-site investigation environmental safety assessment process includes three stages. preliminary assessment, identification and assessment of safety hazards, and assessment results. Identifying and assessing safety hazards includes. a) Before entering the site, the surrounding environment and public facilities, buildings, ambient gases, ambient temperature, and whether there are any special safety hazards should be evaluated. Only those who have eliminated hidden dangers or taken protective measures can enter the site. b) After entering the site, the public facilities, buildings, electrical, ground, mechanical equipment and other safety hazards should be assessed. During the survey, the ambient gas and ambient temperature should be monitored and evaluated in real time. c) If there are special safety hazards, professional organizations/experts should be sought to assess the degree of the relevant safety hazards and eliminate them or make For outdoor fires such as mountain fires, forest fires, grassland fires, etc., the safety of the outdoor environment should also be assessed. Full hidden dangers. ...