PCBs


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PCBs

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

References in periodicals archive ?
Export of pure PCB transformers for final disposal (including: packing, transport, temporary storage, export and final disposal, as descibed in part 3 - scenario A)
When conceptualizing the PCB project, a PM obtains specification for how the PCB is to be used.
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.
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.
Three intermediate-duration studies in animals provide information on the effects of inhaled PCBs. Treon et al.
The aim of our study was to thoroughly investigate the fate of PCBs in the conventional wastewater treatment processes.
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.
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.
The ratios are based on monthly data collected from PCB producers that participate in IPC's monthly PCB Statistical Program.
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).
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.
Various chemicals, such as pesticides, PCBs, and phthalate esters (PEs), and other pollutants are believed to have a harmful effect on men's fertility.