
PCBs - a forgotten legacy? - UNEP - UN Environment Programme
Dec 4, 2024 · Estimates of global PCB production (tons) as "pure" chemical (UNEP-POPS-COP.8-INF-10) It is important to note that due to dilution and cross-contamination, the mass of liquids and equipment containing or contaminated with PCB is much larger than the amounts of pure PCB produced: a single tonne of PCB can generate multiple tonnes of PCB wastes.
Primary biliary cholangitis - Symptoms and causes - Mayo Clinic
Nov 14, 2023 · Primary biliary cholangitis is a type of liver disease that damages the bile ducts. Early recognition and treatment may help prevent complications.
PCB Elimination Network - UNEP - UN Environment Programme
Feb 13, 2024 · The PCB Elimination Network (PEN) is a multi-stakeholder mechanism that promotes and encourages the environmentally sound management of PCBs with a view to attaining the 2025 and 2028 goals of the Stockholm Convention. The PEN was established by the Conference of the Parties (COP) to the Stockholm Convention at its fourth meeting in 2009 …
Polychlorinated Biphenyls - A Forgotten Legacy? - UNEP
Sep 12, 2017 · PCB, or polychlorinated biphenyls, are chemicals that have dangerous effects on the environment and human health. PCB have been used in many industrial applications such as transformers and capacitors. Although they are no longer allowed to be produced, they can still be found everywhere around us.
PCB Cost-efficiency analysis Model - UN Environment Programme
One of the challenges in the phase-out of PCB equipment is the cost associated with the replacement of the existing PCB-contaminated electric transformers and switchgear. UNEP developed a Model (spreadsheet) to evaluate and quantify the economic benefits to the removal of PCBs and the upgrading of this infrastructure. The model calculates the cost-effectiveness …
Premature ventricular contractions (PVCs)
Apr 30, 2022 · Premature ventricular contractions often cause few or no symptoms. But the extra beats can cause unusual sensations in the chest, such as:
Premature ventricular contractions (PVCs)
Apr 30, 2022 · Tests. An electrocardiogram (ECG or EKG) can detect the extra beats and identify the pattern and source. An electrocardiogram (ECG) is a quick and painless test to record the heart's electrical activity.
What is BPA? Should I be worried about it? - Mayo Clinic
Mar 24, 2023 · Find out more about BPA, a chemical used in some plastics and resins, and explore options for reducing your exposure.
Global Monitoring Plan: Protocol 2 for POPs analysis - PCB, OCP
Procedure for the Analysis of Persistent Organic Pollutants in Environmental and Human Matrices to Implement the Global Monitoring Plan under the Stockholm Convention Protocol 2: Protocol for the Analysis of Polychlorinated Biphenyls (PCB) and Organochlorine Pesticides (OCP) in Human Milk, Air and Human Serum. Alternative Title Procédure d’Analyse des Polluants Organiques …
Avascular necrosis (osteonecrosis) - Symptoms & causes - Mayo …
May 17, 2022 · Avascular necrosis is the death of bone tissue due to a lack of blood supply. Also called osteonecrosis, it can lead to tiny breaks in the bone and cause the bone to collapse.