**Summary:**
This office order, issued by the Central Pollution Control Board (CPCB) on May 15, 2025, announces an extension to the deadline for participating environmental laboratories to submit test reports for the 37th Analytical Quality Control (AQC) exercise. The extension, effective immediately, grants an additional two weeks, setting the new deadline as June 04, 2025. This extension is attributed to delays in sample delivery related to certificates dated April 17, 2025, specifically concerning the parameters of Heavy Metals and Physicochemical properties. The order pertains to all participating laboratories and was approved by the competent authority within the CPCB. Inquiries regarding this order can be directed to Dr. K. Ranganathan, Scientist E and Divisional Head, Instrumentation Water Laboratory, CPCB, Delhi 110032. The original order number is LAB99202021INSTLABHOCPCBHO, dated April 16, 2025.
Key Entities Referenced
Central Pollution Control Board: An organization responsible for pollution control, mentioned as the issuer of the order.
Instrumentation Laboratory: A laboratory within the Central Pollution Control Board, Delhi.
Analytical Quality Control (AQC): A program or exercise focused on quality control in analytical testing.
Heavy Metals: A parameter being tested by environmental laboratories.
Physicochemical: Another parameter being tested by environmental laboratories.
Dr. K. Ranganathan: Scientist E and Divisional Head, Instrumentation Water Laboratory, Central Pollution Control Board.
Parivesh Bhawan, East Arjun Nager, Delhi: Location of Ministry of Environment, Forest and Climate Change.
Ministry of Environment, Forest and Climate Change: A ministry of the Government of India.
Central Pollution Control Board
Instrumentation Laboratory
Delhi — 110032
Office Order
File No: LAB-99/20/2021-INST-LAB-HO-CPCB-HO Date: May 15, 2025
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Sub : Extension of two-week time period for submission of test reports of 37" Analytical
Quality Control (AQC) exercise by all participating environmental laboratories.
In continuation to the office order no. LAB-99/20/2021-INST-LAB-HO-CPCB-HO, dated
16-04-2025, due to delay in sample delivery, it has been decided to extend two-week more
time period i.e. up to June 04, 2025 to all participating laboratories for the submission of test
reports of 37 Analytical Quality Control (AQC) exercise to the samples with the certificate
dated 17" April 2025 for the parameter “Heavy Metals and Physicochemical”.
This has been issued with the approval of competent authority, CPCB.
Dr. K. Ranganathan, Scientist — E,
Divisional Head, Instrumentation & Water Laboratory,
Central Pollution Control Board, Delhi -110032
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Parivesh Bhawan, East Arjun Nager, Defhi-110932