Analytical requirements in view of North sea environmental policyCOFINO, W. P.Analytical proceedings. 1991, Vol 28, Num 8, pp 260-262, issn 0144-557XArticle

The 1994 QUASIMEME laboratory performance studies : Trace metals in marine sediments and biological tissuesCOFINO, W. P; PEDERSEN, B.Marine pollution bulletin. 1996, Vol 32, Num 8-9, pp 646-653, issn 0025-326XArticle

Accreditation and the need for certified reference materialsCOFINO, W. P.Mikrochimica acta (1966. Print). 1996, Vol 123, Num 1-4, pp 151-161, issn 0026-3672Conference Paper

Quality assurance of information in marine monitoring: a holistic approachWELLS, D. E; COFINO, W. P; QUEVAUVILLER, P et al.Marine pollution bulletin. 1993, Vol 26, Num 7, pp 368-375, issn 0025-326XArticle

Critical review of the analysis of non- and mono-ortho-chlorobiphenylsHESS, P; DE BOER, J; COFINO, W. P et al.Journal of chromatography. A. 1995, Vol 703, Num 1-2, pp 417-465Article

Normal-phase high-performance liquid chromatography with UV irradiation, morin complexation and fluorescence detection for the determination fof organotin pesticidesSTÄB, J. A; ROZING, M. J. M; VAN HATTUM, B et al.Journal of chromatography. 1992, Vol 609, Num 1-2, pp 195-203, issn 0021-9673Article

A method for estimation of chlorinated biphenyls in surface waters : influence of sampling method on analytical resultsHERMANS, J. H; SMEDES, F; HOFSTRAAT, J. W et al.Environmental science & technology. 1992, Vol 26, Num 10, pp 2028-2035, issn 0013-936XArticle

Formation of pyrene metabolites by the terrestrial isopod Porcellio scaberSTROOMBERG, G. J; REUTHER, C; KOZIN, I et al.Chemosphere (Oxford). 1996, Vol 33, Num 10, pp 1905-1914, issn 0045-6535Article

Trace-level analysis of phthalate esters in surface water and suspended particulate matter by means of capillary gas chromatography with electron-capture and mass-selective detectionRITSEMA, R; COFINO, W. P; FRINTROP, P. C. M et al.Chemosphere (Oxford). 1989, Vol 18, Num 11-12, pp 2161-2175, issn 0045-6535Article

Vibronic coupling effects in the highly resolved optical spectra of 1,3-perinaphthadiyl, a molecule with a triplet ground stateCOFINO, W. P; VAN DAM, S. M; KAMMINGA, D. A et al.Spectrochimica acta. Part A : Molecular spectroscopy. 1984, Vol 40, Num 3, pp 219-228, issn 0584-8539Article

Jahn-Teller effect in highly resolved optical spectra of the phenalenyl radicalCOFINO, W. P; VAN DAM, S. M; KAMMINGA, D. A et al.Molecular physics (Print). 1984, Vol 51, Num 3, pp 537-550, issn 0026-8976Article

The preparation, testing and certification of two freshwater sediment reference materials for polycyclic aromatic hydrocarbons and polychlorinated biphenyls : BCR CRM 535 and CRM 536WEGENER, J. W. M; COFINO, W. P; MAIER, E. A et al.TrAC. Trends in analytical chemistry (Regular ed.). 1999, Vol 18, Num 1, pp 14-25, issn 0165-9936Article

Determination of organotin compounds in the foodweb of a shallow freshwater lake in the NetherlandsSTÄB, J. A; TRAAS, T. P; STROOMBERG, G et al.Archives of environmental contamination and toxicology (Print). 1996, Vol 31, Num 3, pp 319-328, issn 0090-4341Article

Survey of nine organotin compounds in the Netherlands using the zebra mussel (Dreissena polymorpha) as biomonitorSTÄB, J. A; FRENAY, M; FRERIKS, I. L et al.Environmental toxicology and chemistry. 1995, Vol 14, Num 12, pp 2023-2032, issn 0730-7268Article

The 1993 QUASIMENE laboratory-performance study: trace metals in sediments and standard solutionsPEDERSEN, B; COFINO, W. P.Marine pollution bulletin. 1994, Vol 29, Num 4-5, pp 166-173, issn 0025-326XArticle

Net fluxes of pesticides from the Scheldt Estuary into the North Sea: a model approachSTEEN, R. J. C. A; EVERS, E. H. G; VAN HATTUM, B et al.Environmental pollution (1987). 2002, Vol 116, Num 1, pp 75-84, issn 0269-7491Article

The selective dietary accumulation of planar polychlorinated biphenyls in the otter (Lutra lutra) : Wildlife ecotoxicologyLEONARDS, P. E. G; ZIERIKZEE, Y; BRINKMAN, U. A. T et al.Environmental toxicology and chemistry. 1997, Vol 16, Num 9, pp 1807-1815, issn 0730-7268Conference Paper

Modeling and risk assessment of tributyltin accumulation in the food web of a shallow freshwater lakeTRAAS, T. P; STÄB, J. A; KRAMER, P. R. G et al.Environmental science & technology. 1996, Vol 30, Num 4, pp 1227-1237, issn 0013-936XArticle

The use of gas chromatography with ion-trap MS/MS detection for the determination of planar PCBs in biota and sedimentLEONARDS, P. E. G; BRINKMAN, U. A. T; COFINO, W. P et al.Chemosphere (Oxford). 1996, Vol 32, Num 12, pp 2381-2388, issn 0045-6535, 7 p.Article

Occurrence of non-ortho-, mono-ortho- and di-ortho-substituted PCB congeners in different organs and tissues of polecats (Mustela putorius L.) from the NetherlandsLEONARDS, P. E. G; VAN HATTUM, B; COFINO, W. P et al.Environmental toxicology and chemistry. 1994, Vol 13, Num 1, pp 129-142, issn 0730-7268Article

Design and evaluation of the QUASIMENE inter-laboratory performance studies: a test case for robust statisticsCOFINO, W. P; WELLS, D. E.Marine pollution bulletin. 1994, Vol 29, Num 4-5, pp 149-158, issn 0025-326XArticle

Assessment of transport routes of triphenyltin used in potato culture in the NetherlandsSTÄB, J. A; COFINO, W. P; VAN HATTUM, B et al.Analytica chimica acta. 1994, Vol 286, Num 3, pp 335-341, issn 0003-2670Conference Paper

Ecological risk assessment of agrochemicals in european estuariesSTEEN, R. J. C. A; LEONARDS, P. E. G; BRINKMAN, U. A. T et al.Environmental toxicology and chemistry. 1999, Vol 18, Num 7, pp 1574-1581, issn 0730-7268Article

Studies of bioaccumulation and biotransformation of PCBs in mustelids based on concentration and congener patterns in predators and preysLEONARDS, P. E. G; BROEKHUIZEN, S; DE VOOGT, P et al.Archives of environmental contamination and toxicology (Print). 1998, Vol 35, Num 4, pp 654-665, issn 0090-4341Article

Concepts in river ecology : Implications for indicator developmentLORENZ, C. M; VAN DIJK, G. M; VAN HATTUM, A. G. M et al.Regulated rivers. 1997, Vol 13, Num 6, pp 501-516, issn 0886-9375Article