PCBs


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PCBs

(1) Polychlorinated biphenyls. (2) Pollution control bond.

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When conceptualizing the PCB project, a PM obtains specification for how the PCB is to be used.
Getting to Know Your PCB Design Stakeholders: A job-by-job guide to the engineers behind each new project
Through the 1970s and 1980s, PCBs were banned in several countries and in 2004, through the Stockholm Convention, more than 90 countries have committed themselves to phase out and dispose of the large stocks of PCBs.
PCB impact on Killer Whales
A separacao dos PCBs foi realizada em uma coluna capilar de silica fundida DB-5MS, marca J&W Scientific, com 30m de comprimento, 0,25mm de diametro interno e 0,25[micro]m de espessura de fase estacionaria.
Polychlorinated biphenyls in rice and beans from Rio Grande do Sul state, Brazil/Bifenilos policlorados em arroz e feijao do estado do Rio Grande do Sul
Three intermediate-duration studies in animals provide information on the effects of inhaled PCBs. Treon et al.
Evaluating health risks from inhaled polychlorinated biphenyls: research needs for addressing uncertainty
The aim of our study was to thoroughly investigate the fate of PCBs in the conventional wastewater treatment processes.
Polychlorinated biphenyls in the centralized wastewater treatment plant in a chemical industry zone: source, distribution, and removal
The EPA is considering whether to require gas utilities to notify EPA "when PCBs are found in any pipeline system, regardless of the source of the PCBs or the owner of the pipeline." Second, the agency is considering the elimination of all PCBs at greater than or equal to 50 parts per million (ppm) in all distribution or pipeline systems.
EPA considers forcing pipelines to remove remaining PCBs
Overall, dust values for PCBs measured in the two heavily tainted homes ranged from 21 to 190 micrograms per gram ([micro]g/g) of dust--well above the 1 to 10 [micro]g/g maximum values typically reported in other studies.
Fabulon: looking less fabulous
The ratios are based on monthly data collected from PCB producers that participate in IPC's monthly PCB Statistical Program.
IPC March book-to-bill ratios increase
An aliquot of transformer oil from the drum of the Exxon Univolt 60 transformer oil was examined for traces of PCBs as would be evident by capillary gas chromatography with electron capture detection (GC-ECD).
Preparation of reference material 8504, transformer oil
When transformers enter the plant, the equipment is stripped, the metals sorted, sheared, cleaned and tested for PCBs. All steel batches are recorded on a database in the lab.
More regulations, more dollars for TCI
Various chemicals, such as pesticides, PCBs, and phthalate esters (PEs), and other pollutants are believed to have a harmful effect on men's fertility.
Vegetarianism and male fertility in the presence of environmental pollutants. (Scientific update: a review of recent scientific papers related to vegetarianism)

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