Dec 19, 2011 there were nine common pcb aroclor mixtures 1221, 1232, 1242, 1016, 1248, 1254, 1260, 1262, and 1268, and each of them has a distinctive gas chromatographic pattern. Potent inhibition of estrogen sulfotransferase by hydroxylated pcb metabolites. Sigmaaldrich offers a number of aroclor 1221 solution products. Pcb congener composition of aroclors a detailed analyses of the pcb congener distributions present in aroclors 1016, 1242, 1248, 1254, and 1260. Use water spray or fog for cooling exposed containers. An aroclor pcb mixture might consist of over 100 different individual pcb congeners, although 10 to 20 congeners might make up over 50 percent of the mixture. There is no warranty of accuracy or completeness of any information contained herein. Aroclors 1016 and 1242 have similar capillary gas chromatography gc. We use cookies to ensure that we give you the best experience of our website. Both the in vitro and in vivo findings support the novel concept of chlorpyrifos as.
Mar, 20 as you likely know, the percent of chlorine in an aroclor is indicated by the last 2 digits in the model number. Comparison of the compositions of aroclor 1242 and aroclor 1016. Als environmental does not sell chemicals, but offers analytical lab testing to determine the presence of various elements and chemical compounds. Dale walker agilent gcms applications engineer aroclor 1232. Generally, the last two digits of an aroclors number indicates the percent chlorine in the mixture.
Description, aroclor 1221 is a commercial mixture of pcbs with an average. The physical properties varied significantly between the aroclors. Feb 01, 1979 comparison of the compositions of aroclor 1242 and aroclor 1016. As you likely know, the percent of chlorine in an aroclor is indicated by the last 2 digits in the model number. Identification of the substancemixture and of the companyundertaking 1. Measuring pcbs as aroclors relies on there being a relatively fixed composition of pcb congeners in the mixture. Behavioral dysfunctions, including deficits in visual recognition and shortterm memory, also have been observed in infants of human mothers who consumed fish contaminated with pcb mixtures of unknown composition fein et al. Hepatocellular carcinoma was the most frequently found lesion in animals sacrificed at the end of the experiment, observed in 2, 3, and 61% of the animals in the control, clophen a30 and clophen. Excerpt from erg guide 171 substances low to moderate hazard. Avoid r eject firefighting water to enter environment. Pcb congener composition in a sediment sample collected on the west 4c2 and east sb23 side of hunters point shipyard south basin, and the pcb composition in a mixture of aroclors 12541260 and only aroclor. Identification and quantitation of pcb aroclor mixtures in. In in vivo experiments, three of the toxicants aroclor 1221, methoxychlor, and. Supelco aroclor standard mix 1, aroclor standard 200 ugml dichloromethane 1x1ml, aroclor standard 200 ugml hexane 1x1ml.
Rpc1016 product name aroclor 1016 pcb 1016 index number 602039004 ec number 2156481 cas number 12674112 1. Disappearance of polychlorinated biphenyls pcbs, occurrence of metabolites, release of chloride, and survival of the laboratoryselected strains were investigated under different conditions. Environmental protection agency epa technical editing. Nist srm order request system srm 3080 aroclor 1260 in. This test method describes the use or aroclors 1016, 1221, 1232, 1242, 1248, 1254, 1260, 1262, and 1268, as reference standards, but others could also be included. Comparison of the compositions of aroclor 1242 and aroclor. Percen t composition allows us to see ar oclor fingerprint in the e nvironmental and biol ogical samples. Aroclor composition polychlorinated biphenyls were synthesized primarily for use as coolants and insulating fluids in electrical equipment. Atsdrtp8821 toxicological profile for selected pcbs aroclor1260, 1254, 1248, 1242, 1232, 1221, and 1016 date published june 1989 prepared by. Pcb aroclor method pcb have been historically analyzed to meet tsca requirements. Production, importexport, use, and disposal chemical company produced aroclors 1221, 1232, 1242, 1248, 1254, 1260, 1262, and 1268. In principle, complete mineralization of various congeners of aroclor 1221, a technical mixture of pcbs, by the mixed culture was possible. Sources of emissions of polychlorinated biphenyls into the. Aroclor definition of aroclor by the free dictionary.
Cas 12674112 540811 aroclor 1016 ugml, 1ml, 48097 polychlorinated biphenyl aroclor 1016. The only exception to the naming convention is aroclor 1016, which was actually similar to the composition of aroclor 1242, with a chlorine percentage of 41. Pcb data set 1 is provided in the supplementary material on this books website. The hazard fields include special hazard alerts air and water reactions, fire hazards, health hazards, a reactivity profile, and details about reactive groups assignments and potentially incompatible absorbents. To overcome these limitations, a novel approach to identify and quantitate. Aroclor 1254 toxicity, ecological toxicity and regulatory. Analyzing pcbs in source materials and environmental media. Environmental health perspectives differential effects of two lots of aroclor 1254.
For instance aroclor 1221 would be 21% chlorine by mass and aroclor 1260 would be 60% chlorine by mass. The information in cameo chemicals comes from a variety of data sources. Aroclor 1242 high level pcb1242h organic standards. Information provided on aroclor 1221 11104282 is for reference only and is subject to change. Aroclor synonyms, aroclor pronunciation, aroclor translation, english dictionary definition of aroclor. The paper describes a novel type of anisotropic phantoms designed for b. This light yellow viscous liquid is a particularly highly chlorinated pcb mixture which, by definition, contains 54% chlorine by weight. Estimated homologue composition % of different aroclors.
Typical capillary chromatogram for aroclor 1254, showing 55 sizeable peaks. Aroclor using gcecd 36 540 75 300 may not meet dqos. Aroclor 1016 aroclor 1221 aroclor 1232 aroclor 1242 aroclor 1248 aroclor 1254 aroclor 1260. Aug 01, 2014 nonetheless, aroclor 1260 was selected for this study because of the resemblance in congener composition pattern to that of human fat mcfarland and clarke, 1989. Msds aroclor 1016 ugml, 1ml, 48097 polychlorinated. Individual congeners will weather, degrade, and bioaccumulate at different rates. Aroclor analysis may over or under estimate pcb concentrations because it is not a measurement of individual congeners but is instead is a pattern recognition estimate. Table 1 physical and chemical properties of aroclors 00 aroclor 1221 1232 1242 1248 1254 1260 1262 1268 1016 appearance percent cl clear, mobile oil clear, mobile oil clear, mobile oil clear, mobile oil light yellow viscous liquid light yellow, soft sticky resin light yellow, sticky viscous resin white to offwhite powder clear, mobile. Aroclor was the brand name monsanto used for its pcb mixtures. Identification and quantitation of pcb aroclor mixtures in a. Historically for environmental samples, pcb concentration have been quantified by a comparison to aroclor standards data report as.
Pdf degradation of polychlorinated biphenyl mixtures. Aroclor 1254 is one of several commercial pcb mixtures that were marketed between the 1930s and 70s. This iris assessment for aroclor 1016 consists of hazard identification and doseresponse assessment data and provides support for epa risk management decisions. Building materials, electronics production, industrial chemical, paints, coatings, resins. Table of aroclors casrn iupac name type 12674112 aroclor 1016 mixture 147601874 aroclor 1210 mixture 151820278 aroclor 1216 mixture 11104282 aroclor 1221 mixture 37234405 aroclor 1231 mixture 11141165 aroclor 1232 mixture 728897 aroclor 1240 mixture 53469219 aroclor 1242 mixture. Your new online msds binder is a place for you to store the material safety data sheets you need to deploy. A polychlorinated biphenyl pcb is an organic chlorine compound with the formula c 12 h 10. Aroclor 1221 is made up of the lower chlorinated homologs which are more.
The batch chlorination process used to produce aroclors generated several congeners of the same chlorine content, in addition to congeners of higher and lower chlorine contents. Nonetheless, aroclor 1260 was selected for this study because of the resemblance in congener composition pattern to that of human fat mcfarland and clarke, 1989. Chemidplus 53469219 aroclor 1242 similar structures. The complete polychlorinated biphenyl compositions of two american products, aroclor 1242 and its more modern replacement, aroclor 1016, have been determined by gasliquid chromatography glc on twelve liquid phases of differing selectivities. Aroclor 1242 had approximately 150 ppb of chlorinated dibenfurans, of which 43% was the toxic 2,3,7,9tetrachloro isomer. One of the most common ways to measure pcbs is a method based on the original industrial aroclor mixtures, epa method 8082 m8082.
Aroclor composition polychlorinated biphenyls were synthesized primarily for use. Epa region 4 technical services section issue paper for. Pcb congener composition in a sediment sample collected on the west 4c2 and east sb23 side of hunters point shipyard south basin, and the pcb composition in a. Table of aroclors casrn iupac name type 12674112 aroclor 1016 mixture 147601874 aroclor 1210 mixture 151820278 aroclor 1216 mixture 11104282 aroclor 1221 mixture 37234405 aroclor 1231 mixture 11141165 aroclor 1232 mixture 728897 aroclor 1240 mixture 53469219 aroclor 1242 mixture 12672296 aroclor 1248 mixture. Aroclor 1221 is a commercial mixture of pcbs with an average chlorine content of 21%. Aroclor 1221 solution certified reference material, 200.
Polychlorinated biphenyls world health organization. Polychlorinated biphenyls were once widely deployed as dielectric and coolant fluids in electrical apparatus, carbonless copy paper and in heat transfer fluids because of their longevity, pcbs are still widely in use, even though their manufacture has declined drastically since the 1960s. Aroclor composition and some physical chemical properties affecting transport in groundwater. Lipidadjusted serum pcb levels were measured in nhanes participants and the pcb exposed anniston cohort and reported to range from 75 to 170 ngg 0. Differences between the pcb aroclors oreilly, talbot. Aroclor 1221 standard safety data sheet according to regulation e c no. Evidence for substantial degradation of polychlorinated biphenyl mixtures aroclor 1242, 1254, and 1260 by the white rot fungus phanerochaete chrysosporium, based on congenerspecific gas. Human receptor activation by aroclor 1260, a polychlorinated. Srm 3080 aroclor 1260 in transformer oil transformer oil, pcb, water, voc, vocs, epa, epa organic compounds related to water analysis, aroclor, aroclor 1260 certificate msds table add material to cart certificate material safety data sheet msds. Aroclor 1221 solution, certified reference material.
Other companies are charging thousands of dollars to set up accounts and give you access to their msds online database. Polychlorinated biphenyls were once widely deployed as dielectric and coolant fluids in electrical apparatus, carbonless copy paper and in heat transfer fluids. The composition of commercial clophen a60 and phenoclor dp6 is similar to aroclor 1260. Clophen a60 is almost identical in composition to aroclor 1260 iarc 1978, while clophen a30 appears to be similar in structure to aroclor 1016. The only exception to the naming convention is aroclor 1016, which was actually similar to the composition of aroclor 1242. The tables of congener weight percent distributions among aroclors are more. Congenerspecific compositions of example marketed aroclors. A handbook for determining the sources of pcb contamination. Pdf complete pcb congener distributions for 17 aroclor mixtures.
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