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Volumn 40, Issue 3, 2006, Pages 687-695

Seasonal variations in concentrations of pharmaceuticals and personal care products in drinking water and reclaimed wastewater in Southern California

Author keywords

[No Author keywords available]

Indexed keywords

BENZOPHENONE; IBUPROFEN; PHTHALATE; TRICLOSAN;

EID: 32344449614     PISSN: 0013936X     EISSN: None     Source Type: Journal    
DOI: 10.1021/es051380x     Document Type: Article
Times cited : (554)

References (58)
  • 1
    • 84858536493 scopus 로고    scopus 로고
    • MWD: Los Angeles, CA
    • Metropolitan Water District of Southern California. MWD: Los Angeles, CA. www.mwd.dst.ca.us (accessed 2003).
  • 2
    • 84858539195 scopus 로고    scopus 로고
    • San Diego County Water Authority. 2001 Fact Sheet, www.sdcwa.org (accessed 2001).
    • 2001 Fact Sheet
  • 4
    • 4243806792 scopus 로고    scopus 로고
    • USEPA. Surf Your Watershed. http://cfpub.epa.gov/surf (accessed 2003).
    • Surf Your Watershed
  • 7
    • 0037085574 scopus 로고    scopus 로고
    • Pharmaceuticals, hormones, and other organic wastewater contaminants in U. S. streams, 1999-2000: A national reconnaissance
    • Kolpin, D. W.; Furlong, E. T.; Meyer, M. T.; Thurman, E. M.; Zaugg, S. D.; Barber, L. B.; Buxton, H. T. Pharmaceuticals, Hormones, and Other Organic Wastewater Contaminants in U. S. Streams, 1999-2000: A National Reconnaissance. Environ. Sci. Technol. 2002, 36, 1202-1211.
    • (2002) Environ. Sci. Technol. , vol.36 , pp. 1202-1211
    • Kolpin, D.W.1    Furlong, E.T.2    Meyer, M.T.3    Thurman, E.M.4    Zaugg, S.D.5    Barber, L.B.6    Buxton, H.T.7
  • 8
    • 0032210734 scopus 로고    scopus 로고
    • Occurrence of drugs in German sewage treatment plants and rivers
    • Ternes, T. Occurrence of drugs in German sewage treatment plants and rivers. Water Res. 1998, 32 (11), 3245-3260.
    • (1998) Water Res. , vol.32 , Issue.11 , pp. 3245-3260
    • Ternes, T.1
  • 9
    • 0033011063 scopus 로고    scopus 로고
    • Polar drug residues in sewage and natural waters in the State of Rio de Janeiro, Brazil
    • Stumpf, M.; Ternes, T.; Wilken, R.-D.; Rodriques, S.; Baumann, W. Polar drug residues in sewage and natural waters in the State of Rio de Janeiro, Brazil. Sci. Total Environ. 1999, 225, 135-141.
    • (1999) Sci. Total Environ. , vol.225 , pp. 135-141
    • Stumpf, M.1    Ternes, T.2    Wilken, R.-D.3    Rodriques, S.4    Baumann, W.5
  • 11
    • 0346736505 scopus 로고    scopus 로고
    • Removal of bis(2-ethylhexyl)phthalate at a sewage treatment plant
    • Marttinen, S.; Kettunen, R.; Sormunen, K.; Rintala, J. Removal of bis(2-ethylhexyl)phthalate at a sewage treatment plant. Water Res. 2003, 37 (6), 1385-1393.
    • (2003) Water Res. , vol.37 , Issue.6 , pp. 1385-1393
    • Marttinen, S.1    Kettunen, R.2    Sormunen, K.3    Rintala, J.4
  • 13
    • 0037445163 scopus 로고    scopus 로고
    • Occurrence and fate of carbamazapine, clofibric acid, diclofenac, ibuprofen, ketoprofen, and naproxen in surface waters
    • Tixier, C.; Singer, H.; Oellers, S.; Muller, S. Occurrence and Fate of Carbamazapine, Clofibric Acid, Diclofenac, Ibuprofen, Ketoprofen, and Naproxen in Surface Waters. Environ. Sci. Technol. 2003, 37 (6), 1061-1068.
    • (2003) Environ. Sci. Technol. , vol.37 , Issue.6 , pp. 1061-1068
    • Tixier, C.1    Singer, H.2    Oellers, S.3    Muller, S.4
  • 14
    • 0242417081 scopus 로고    scopus 로고
    • Ozonation: A tool for removal of pharmaceuticals, contrast media and musk fragrances from wastewater?
    • Ternes, T.; Stuber, J.; Herrmann, N.; McDowell, D.; Ried A.; Kampmann, M.; Teiser, B. Ozonation: a tool for removal of pharmaceuticals, contrast media and musk fragrances from wastewater? Water Res. 2003, 37 (8), 1976-1982.
    • (2003) Water Res. , vol.37 , Issue.8 , pp. 1976-1982
    • Ternes, T.1    Stuber, J.2    Herrmann, N.3    McDowell, D.4    Ried, A.5    Kampmann, M.6    Teiser, B.7
  • 15
    • 0035993434 scopus 로고    scopus 로고
    • Occurrence of phthalates and bishenol a and F in the environment
    • Fromme, H.; Kuchler, T.; Otto, T.; Pilz, K.; Muller, J.; Wenzel, A. Occurrence of phthalates and bishenol A and F in the environment. Water Res. 2002, 36 (6), 1429-1438.
    • (2002) Water Res. , vol.36 , Issue.6 , pp. 1429-1438
    • Fromme, H.1    Kuchler, T.2    Otto, T.3    Pilz, K.4    Muller, J.5    Wenzel, A.6
  • 16
    • 0037332615 scopus 로고    scopus 로고
    • Phthalates, nonylphenols and LAS in an alternately operated wastewater treatment plant-fate modeling based on concentrations in wastewater and sludge
    • Fauser, P.; Vikelsoe, J.; Sorensen, P.; Carlsen, L. Phthalates, nonylphenols and LAS in an alternately operated wastewater treatment plant-fate modeling based on concentrations in wastewater and sludge. Water Res. 2003, 37 (6), 1288-1295.
    • (2003) Water Res. , vol.37 , Issue.6 , pp. 1288-1295
    • Fauser, P.1    Vikelsoe, J.2    Sorensen, P.3    Carlsen, L.4
  • 17
    • 0037442943 scopus 로고    scopus 로고
    • Caffeine, an anthropogenic marker for wastewater contamination of surface waters
    • Buerge, I.; Poiger, T.; Muller, M.; Buser, H.-R. Caffeine, an Anthropogenic Marker for Wastewater Contamination of Surface Waters. Environ. Sci. Technol. 2003, 37, 691-700.
    • (2003) Environ. Sci. Technol. , vol.37 , pp. 691-700
    • Buerge, I.1    Poiger, T.2    Muller, M.3    Buser, H.-R.4
  • 20
    • 0036899707 scopus 로고    scopus 로고
    • Triclosan: Occurrence and fate of a widely used biocide in the aquatic environment: Field measurements in wastewater treatment plants, surface waters, and lake sediments
    • Singer, H.; Muler, S.; Tixier, C.; Pillonel, L. Triclosan: Occurrence and Fate of a Widely Used Biocide in the Aquatic Environment: Field measurements in Wastewater Treatment Plants, Surface Waters, and Lake Sediments. Environ. Sci. Technol. 2002, 36, 4998-5004.
    • (2002) Environ. Sci. Technol. , vol.36 , pp. 4998-5004
    • Singer, H.1    Muler, S.2    Tixier, C.3    Pillonel, L.4
  • 21
    • 0034741758 scopus 로고    scopus 로고
    • Phenolic xenoestrogens in surface water, sediments, and sewage sludge from Baden-Wurttemberg south-west Germany
    • Bolz, U.; Hagenmaier, H.; Korner, W. Phenolic xenoestrogens in surface water, sediments, and sewage sludge from Baden-Wurttemberg south-west Germany. Environ. Pollut. 2001, 115, 291-301.
    • (2001) Environ. Pollut. , vol.115 , pp. 291-301
    • Bolz, U.1    Hagenmaier, H.2    Korner, W.3
  • 22
    • 0242432410 scopus 로고    scopus 로고
    • Strategic survey of therapeutic drugs in the rivers Po and Lambro in northern Italy
    • Calamari, D.; Zuccato, E.; Castiglioni, S.; Bagnati, R.; Fanelli, R. Strategic Survey of Therapeutic Drugs in the Rivers Po and Lambro in Northern Italy., Environ. Sci. Technol. 2003, 37 (7), 1241-1248.
    • (2003) Environ. Sci. Technol. , vol.37 , Issue.7 , pp. 1241-1248
    • Calamari, D.1    Zuccato, E.2    Castiglioni, S.3    Bagnati, R.4    Fanelli, R.5
  • 24
    • 0038777219 scopus 로고    scopus 로고
    • Hollow-fiber liquid-phase microextraction of phthalate esters from water
    • Psillikis, E.; Kalogerakis, N. Hollow-fiber liquid-phase microextraction of phthalate esters from water. J. Chromatogr. A 2003, 999 (1-2), 145-153.
    • (2003) J. Chromatogr. A , vol.999 , Issue.1-2 , pp. 145-153
    • Psillikis, E.1    Kalogerakis, N.2
  • 25
    • 0041402570 scopus 로고    scopus 로고
    • Drugs in municipal sewage effluents: Screening and biodegradation studies
    • Daughton, C., Jones-Lepp, T., Eds.; American Chemical Society: Washington, DC, Chapter 11
    • Mohle, E.; Metzger, I. Drugs in Municipal Sewage Effluents: Screening and Biodegradation Studies. In Pharmaceuticals and Personal Care Products in the Environment; Scientific and Regulatory Issues; Daughton, C., Jones-Lepp, T., Eds.; American Chemical Society: Washington, DC, 2001; Chapter 11, pp 192-205.
    • (2001) Pharmaceuticals and Personal Care Products in the Environment; Scientific and Regulatory Issues , pp. 192-205
    • Mohle, E.1    Metzger, I.2
  • 26
    • 0032052810 scopus 로고    scopus 로고
    • An updated review of environmental estrogen and androgen mimics and antagonists
    • Sonnenschein, C.; Sotot, A. An updated review of environmental estrogen and androgen mimics and antagonists. J. Steroid Biochem. Mol. Biol. 1998, 65 (1-6), 143-150.
    • (1998) J. Steroid Biochem. Mol. Biol. , vol.65 , Issue.1-6 , pp. 143-150
    • Sonnenschein, C.1    Sotot, A.2
  • 27
    • 0013202598 scopus 로고    scopus 로고
    • NCEH Pub. No. 02-0716; Department of Health and Human Services, Centers for Disease Control and Prevention: Atlanta, GA
    • Centers for Disease Control and Prevention. Second National Report on Human Exposure to Environmental Chemicals; NCEH Pub. No. 02-0716; Department of Health and Human Services, Centers for Disease Control and Prevention: Atlanta, GA, 2003; pp 81-94.
    • (2003) Second National Report on Human Exposure to Environmental Chemicals , pp. 81-94
  • 29
    • 0002944613 scopus 로고    scopus 로고
    • Detection of sunscreen agents in water and fish of the Meerfelder Maar, the Eifel, Germany
    • Nagtegall, M.; Ternes, T. A.; Baumann, W.; Nagel, R. Detection of sunscreen agents in water and fish of the Meerfelder Maar, the Eifel, Germany. Umweltwiss. Schadst.-Forsch. 1997, 9 (2), 79-86.
    • (1997) Umweltwiss. Schadst.-Forsch. , vol.9 , Issue.2 , pp. 79-86
    • Nagtegall, M.1    Ternes, T.A.2    Baumann, W.3    Nagel, R.4
  • 30
    • 0034792294 scopus 로고    scopus 로고
    • National and regional assessment of the antibacterial soap market: A step toward determining the impact of prevalent antibacterial soaps
    • Perencevich, E. N.; Wong, M. T.; Harris, A. D. National and regional assessment of the antibacterial soap market: A step toward determining the impact of prevalent antibacterial soaps. Am. J. Infect. Control 2001, 29 (5), 281-283.
    • (2001) Am. J. Infect. Control , vol.29 , Issue.5 , pp. 281-283
    • Perencevich, E.N.1    Wong, M.T.2    Harris, A.D.3
  • 32
    • 0034644010 scopus 로고    scopus 로고
    • A triclosan-resistant bacterial enzyme
    • Heath, R. J.; Rock, C. O. A triclosan-resistant bacterial enzyme. Nature 2000, 406 (6792), 145.
    • (2000) Nature , vol.406 , Issue.6792 , pp. 145
    • Heath, R.J.1    Rock, C.O.2
  • 33
    • 0035139556 scopus 로고    scopus 로고
    • Cross-Resistance between triclosan and antibiotics in Pseudomonas aeruginosa is mediated by multidrug efflux pumps: Exposure of a susceptible mutant strain to triclosan selects nfxB mutants overexpressing MexCD-OprJ
    • Chuanchuen, R.; Beinlich, K.; Hoang, T.; Becher, A.; Karkhoff-Schweizer, R.; Schweizer, H. Cross-Resistance between Triclosan and Antibiotics in Pseudomonas aeruginosa Is Mediated by Multidrug Efflux Pumps: Exposure of a Susceptible Mutant Strain to Triclosan Selects nfxB Mutants Overexpressing MexCD-OprJ. Antimicrob. Agents Chemother. 2001, 45 (2), 428-432.
    • (2001) Antimicrob. Agents Chemother. , vol.45 , Issue.2 , pp. 428-432
    • Chuanchuen, R.1    Beinlich, K.2    Hoang, T.3    Becher, A.4    Karkhoff-Schweizer, R.5    Schweizer, H.6
  • 34
    • 0037847501 scopus 로고    scopus 로고
    • Effects of three pharmaceutical and personal care products on natural freshwater algal assemblages
    • Wilson, B. A.; Smith, V. H.; Denoyelles, F. Jr.; Larive, C. K. Effects of Three Pharmaceutical and Personal Care Products on Natural Freshwater Algal Assemblages. Environ. Sci. Technol. 2003, 37, 1713-1719.
    • (2003) Environ. Sci. Technol. , vol.37 , pp. 1713-1719
    • Wilson, B.A.1    Smith, V.H.2    Denoyelles Jr., F.3    Larive, C.K.4
  • 35
    • 0036124230 scopus 로고    scopus 로고
    • Triclosan, a commonly used bactericide found in human milk and in the aquatic environment in Sweden
    • Adolfsson-Erici, M.; Pettersson, M.; Parkkonen, J.; Sturve, J. Triclosan, a commonly used bactericide found in human milk and in the aquatic environment in Sweden. Chemosphere 2002, 46 (9-10), 1485-1489.
    • (2002) Chemosphere , vol.46 , Issue.9-10 , pp. 1485-1489
    • Adolfsson-Erici, M.1    Pettersson, M.2    Parkkonen, J.3    Sturve, J.4
  • 36
    • 0037364666 scopus 로고    scopus 로고
    • Comment on "pharmaceuticals, hormones, and other organic wastewater Contaminants In U. S. streams, 1999-2000: A national reconnaissance"
    • Till, A. Comment on "Pharmaceuticals, Hormones, and Other Organic Wastewater Contaminants in U. S. Streams, 1999-2000: A National Reconnaissance". Environ. Sci. Technol. 2003, 37 (5), 1052-1053.
    • (2003) Environ. Sci. Technol. , vol.37 , Issue.5 , pp. 1052-1053
    • Till, A.1
  • 37
    • 0035896382 scopus 로고    scopus 로고
    • Simultaneous quantification of neutral and acidic pharmaceuticals and pesticides at the low-ng/L level in surface and wastewater
    • Ollers, S.; Singer, H.; Fassler, P.; Muller, S. Simultaneous quantification of neutral and acidic pharmaceuticals and pesticides at the low-ng/L level in surface and wastewater. J. Chmmatogr. A 2001, 911, 225-234.
    • (2001) J. Chmmatogr. A , vol.911 , pp. 225-234
    • Ollers, S.1    Singer, H.2    Fassler, P.3    Muller, S.4
  • 38
    • 0037135013 scopus 로고    scopus 로고
    • Analysis of mono- And diesters of o-phthalic acid by solid-phase extraction with polystyrene-divinylbenzene-based polymers
    • Jonsson, S.; Boren, H. Analysis of mono- and diesters of o-phthalic acid by solid-phase extraction with polystyrene-divinylbenzene-based polymers. J. Chromatogr. A 2002, 963, 393-400.
    • (2002) J. Chromatogr. A , vol.963 , pp. 393-400
    • Jonsson, S.1    Boren, H.2
  • 40
  • 41
    • 1042287283 scopus 로고    scopus 로고
    • Rapid gas chromatography-mass spectrometry screening method for human pharmaceuticals, hormones, anti-oxidants and plasticizers in water
    • Soliman, M.; Pedersen, J.; Suffet, I. H. Rapid gas chromatography-mass spectrometry screening method for human pharmaceuticals, hormones, anti-oxidants and plasticizers in water. J. Chromatogr. A 2004, 1029, 223-237.
    • (2004) J. Chromatogr. A , vol.1029 , pp. 223-237
    • Soliman, M.1    Pedersen, J.2    Suffet, I.H.3
  • 42
    • 3242680822 scopus 로고    scopus 로고
    • Persistence of pharmaceutical compounds and other organic wastewater contaminants in a conventional drinking water treatment plant
    • Stackelberg, P.; Furlong, E.; Meyer, M.; Zaugg, S.; Henderson, A.; Reissman, D. Persistence of pharmaceutical compounds and other organic wastewater contaminants in a conventional drinking water treatment plant. Sci. Total Environ. 2004, 329, 99-113.
    • (2004) Sci. Total Environ. , vol.329 , pp. 99-113
    • Stackelberg, P.1    Furlong, E.2    Meyer, M.3    Zaugg, S.4    Henderson, A.5    Reissman, D.6
  • 43
    • 32344436479 scopus 로고    scopus 로고
    • Guidelines establishing test procedures for the analysis of pollutants: Procedures for detection and quantitation. Appendix B. Definition and procedure for the determination of the method detection limit
    • Title 40
    • Guidelines Establishing Test Procedures for the Analysis of Pollutants: Procedures for Detection and Quantitation. Appendix B. Definition and Procedure for the Determination of the Method Detection Limit. Code of Federal Regulations, Part 136, Title 40, 2003.
    • (2003) Code of Federal Regulations , Issue.PART 136
  • 44
    • 2942740968 scopus 로고    scopus 로고
    • Urban contribution of pharmaceuticals and other organic wastewater contaminants to streams during differing flow conditions
    • Kolpin, D.; Skopec, M.; Meyer, M.; Furlong, E.; Zaugg, S. Urban contribution of pharmaceuticals and other organic wastewater contaminants to streams during differing flow conditions. Sci. Total Environ. 2004, 328 (1-3), 119-130.
    • (2004) Sci. Total Environ. , vol.328 , Issue.1-3 , pp. 119-130
    • Kolpin, D.1    Skopec, M.2    Meyer, M.3    Furlong, E.4    Zaugg, S.5
  • 45
    • 0038122783 scopus 로고    scopus 로고
    • Pharmaceuticals and personal care products (PPCPs) in surface and treated waters of Louisiana, USA and Ontario, Canada
    • Boyd, G.; Reemtsma, H.; Grimm, D.; Mitra, S. Pharmaceuticals and personal care products (PPCPs) in surface and treated waters of Louisiana, USA and Ontario, Canada. Sci. Total Environ. 2003, 311, 135-149.
    • (2003) Sci. Total Environ. , vol.311 , pp. 135-149
    • Boyd, G.1    Reemtsma, H.2    Grimm, D.3    Mitra, S.4
  • 46
    • 4544252329 scopus 로고    scopus 로고
    • Analysis of triclocarban in aquatic samples by liquid chromatography electrospray ionization mass spectrometry
    • Halden, R.; Paull, D. Analysis of triclocarban in aquatic samples by liquid chromatography electrospray ionization mass spectrometry. Environ. Sci. Technol. 2004, 38 (18), 4849-4855.
    • (2004) Environ. Sci. Technol. , vol.38 , Issue.18 , pp. 4849-4855
    • Halden, R.1    Paull, D.2
  • 48
    • 0037106162 scopus 로고    scopus 로고
    • Tracking persistent pharmaceutical residues from municipal sewage to drinking water
    • Herberer, T. Tracking persistent pharmaceutical residues from municipal sewage to drinking water. J. Hydrol. 2002, 266 (3-4), 175-189.
    • (2002) J. Hydrol. , vol.266 , Issue.3-4 , pp. 175-189
    • Herberer, T.1
  • 49
    • 13644253801 scopus 로고    scopus 로고
    • Determination of pharmaceutical residues in waters by solid-phase extraction and large-volume on-line derivatization with gas chromatography-mass spectrometry
    • Lin, W.-C.; Chen, H.-C.; Ding, W.-H. Determination of pharmaceutical residues in waters by solid-phase extraction and large-volume on-line derivatization with gas chromatography-mass spectrometry. J. Chromatogr. A 2005, 1065 (2), 279-285.
    • (2005) J. Chromatogr. A , vol.1065 , Issue.2 , pp. 279-285
    • Lin, W.-C.1    Chen, H.-C.2    Ding, W.-H.3
  • 50
    • 0036837216 scopus 로고    scopus 로고
    • Identification and significance of phenazone drugs and their metabolites in ground- And drinking water
    • Reddersen, K.; Heberer, T.; Dunnbier, U. Identification and significance of phenazone drugs and their metabolites in ground- and drinking water. Chemosphere 2002, 49 (6), 539-544.
    • (2002) Chemosphere , vol.49 , Issue.6 , pp. 539-544
    • Reddersen, K.1    Heberer, T.2    Dunnbier, U.3
  • 51
    • 84858551052 scopus 로고    scopus 로고
    • Dow Chemical Company. Dowicide 1 Antimicrobial. www.dow.com/biocides/ prod/dwicid1.htm (accessed 2005).
    • Dowicide 1 Antimicrobial
  • 52
    • 0033220650 scopus 로고    scopus 로고
    • Determination of benomyl, diphenyl, o-phenylphenol, thiabendazole, chlorpyrifos, methidathion, and methyl parathion in oranges by solid-phase extraction liquid chromatography, and gas chromatography
    • Yamazaki, Y.; Ninomiya, T. Determination of benomyl, diphenyl, o-phenylphenol, thiabendazole, chlorpyrifos, methidathion, and methyl parathion in oranges by solid-phase extraction liquid chromatography, and gas chromatography. JAOAC 1999, 82 (6), 1474-1478.
    • (1999) JAOAC , vol.82 , Issue.6 , pp. 1474-1478
    • Yamazaki, Y.1    Ninomiya, T.2
  • 53
    • 84858533553 scopus 로고    scopus 로고
    • International Agency for Research on Cancer (IARC). Tris(2-chloroethyl) Phosphate (Group 3). http://monographs.iarc.fr/htdocs/monographs/vol48/48-06.htm (accessed 2005).
    • Tris(2-chloroethyl) Phosphate (Group 3)
  • 55
    • 84858542385 scopus 로고    scopus 로고
    • Wikipedia. Naproxen. http://en.wikipedia.org/wiki/Naproxen (accessed 2005).
    • Naproxen
  • 56
    • 23744512414 scopus 로고    scopus 로고
    • Removal of pharmaceuticals and fragrances in biological wastewater treatment
    • Joss, A.; Keller, E.; Alder, A.; Gobel, A.; McArdell, C.; Ternes, T.; Siegrist, H. Removal of pharmaceuticals and fragrances in biological wastewater treatment. Water Treat. 2005, 39 (14), 3139-3152.
    • (2005) Water Treat. , vol.39 , Issue.14 , pp. 3139-3152
    • Joss, A.1    Keller, E.2    Alder, A.3    Gobel, A.4    McArdell, C.5    Ternes, T.6    Siegrist, H.7
  • 57
    • 10644220428 scopus 로고    scopus 로고
    • Tracking acidic pharmaceuticals, caffeine, and triclosan through the wastewater treatment process
    • Thomas, P.; Foster, G. Tracking acidic pharmaceuticals, caffeine, and triclosan through the wastewater treatment process. Environ. Toxicol. Chem. 2005, 24 (1), 25-30.
    • (2005) Environ. Toxicol. Chem. , vol.24 , Issue.1 , pp. 25-30
    • Thomas, P.1    Foster, G.2
  • 58
    • 4544248598 scopus 로고    scopus 로고
    • Nonregulated water contaminants: Emerging research
    • Daughton, C. Nonregulated water contaminants: emerging research. Environ. Impact Assess. Rev. 2004, 24 (7-8), 711-732.
    • (2004) Environ. Impact Assess. Rev. , vol.24 , Issue.7-8 , pp. 711-732
    • Daughton, C.1


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