1
本实验室质量管理体系依据IS0/IEC17025 :2017建立。
The laboratory quality management sys tems document is estab lished according to ISO/ IEC17025:2017.
2.
本证书未经签章、数据涂改、或分离使用均无效。未经我司书面批准，不得部分复制此证书。校准结果仅对受测仪器当时
之情况负责。
The Certificate is invalid when no stamp sealed on, data alteration or separate use. Without our
written approval, the certification should not be partially duplicated. The cal ibration results are
only responsible for calibrat ion conditions of the instrument at the time.
3.本证书具有专业性，带有相同证书编号、按页码顺序的组成页为校准证书，我司对本证书的内容拥有最终解释权。
The certificate is unique, and made up of pages with same certificate number and serial order, and
reserves final exp lanation right of the certificate contents.
4.
若被校仪器属于强检范畴，按照法规要求，不能替代检定证书。
If the ins trument belongs to compulsory test field, the corresponding cal ibration can not rep lace the
verification according to the compulsory regulat ions.
带※的参数项目表示不在CNAS认可范围内。
Parameter with asterisk‘※' is not within the accreditation by CNAS.

6.
本次校准所依据的技术文件(Reference documents for the cal ibration):
JJG975- -2002化学需氧量(COD)测定仪检定规程
JJG 1094-2013 总磷总氮水质在线分析仪
JJG 631-2013 氨氮自动监测仪检定规程