CPCB Extends Deadline for 37th AQC Exercise Report Submission Introduction In a recent update aimed at easing procedural delays, the Central Pollution Control Board (CPCB) has extended the deadline for submitting test reports related to the 37th Analytical Quality Control (AQC) exercise. Citing delivery delays of test samples, CPCB has granted an additional two-week window,…
CPCB SOP for Spent Calcium Chloride Utilization in Pigment Violet Production Introduction The Central Pollution Control Board (CPCB), in April 2025, released a detailed Standard Operating Procedure (SOP) for the utilization of spent Calcium Chloride powder—a hazardous waste by-product generated during the manufacturing of Triethyl Phosphite (TEP) and Trimethyl Phosphite (TMP). The SOP is framed…