Legal analysis: Usually the validity period is not reflected on the third-party test report, but only the sample testing time and report issuance time. Some buyers will limit the validity of the use of product reports, some buyers limited to 1-2 years, some buyers limited to the time shall not exceed 3 years, depending on the requirements of the buyer.
Legal basis: "The Chinese People's **** and State Environmental Protection Law" Article 42 The enterprises, institutions and other production operators that emit pollutants shall take measures to prevent and control the pollution and harm to the environment caused by waste gas, waste water, waste residue, medical waste, dust, malodorous gases, radioactive substances, as well as noise, vibration, optical radiation, electromagnetic radiation and other pollution and harm to the environment arising from the production, construction or other activities. Hazards.
Enterprises and institutions emitting pollutants shall establish a responsibility system for environmental protection, and clearly define the responsibilities of unit heads and relevant personnel.
Key emissions units should be in accordance with the relevant provisions of the state and monitoring specifications for the installation and use of monitoring equipment, to ensure the normal operation of monitoring equipment, save the original monitoring records.
It is strictly prohibited to discharge pollutants illegally through concealed pipes, seepage wells, seepage pits, irrigation or tampering, falsification of monitoring data, or improper operation of pollution prevention and control facilities to avoid supervision.