Danish coastal water levels of 2,3,4,6-tetrachlorophenol, pentachlorophenol, and total organohalogens in blue mussels (Mytilus edulis)

Folke, Jens; Birklund, Jørgen

doi:10.1016/0045-6535(86)90054-8

Cited by 16 publications

(4 citation statements)

References 5 publications

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“…Cowan, 1981;Satsmadjis and Galrielides, 1983;Folke and Birklund, 1986;Sericano et al, 1990), although the degree to which they occur varies substantially from site to site. Cowan, 1981;Satsmadjis and Galrielides, 1983;Folke and Birklund, 1986;Sericano et al, 1990), although the degree to which they occur varies substantially from site to site.…”

Section: (Iii) Review Of Biomonitoring To Datementioning

confidence: 99%

Biomonitoring of Trace Aquatic Contaminants

Phillips¹,

Rainbow

1993

239

214

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Section: (Iii) Review Of Biomonitoring To Datementioning

confidence: 99%

Biomonitoring of Trace Aquatic Contaminants

Phillips¹,

Rainbow

1993

239

214

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“…Although higher chlorinated phenols are reported to bioconcentrate [5,28,29,47–49], all residues removed by filtering were not likely associated with living biological material such as phytoplankton and zooplankton. The high chlorophenol percentage removed by filtering would imply a bioconcentration factor (BCF) of approx.…”

Section: Discussionmentioning

confidence: 99%

“…To our knowledge, similar experiments with TeCP have not been conducted. A number of reports have documented the presence of TeCP, along with other chlorinated phenolics, in industrially contaminated environments [5,7,9,[24][25][26][27][28][29], but the persistence and fate of this chemical has not been investigated in a replicated scientific manner.…”

Section: Introductionmentioning

confidence: 99%

Persistence and fate of 2,3,4,6‐tetrachlorophenol and pentachlorophenol in limnocorrals

Liber¹,

Solomon²,

Carey³

1997

Enviro Toxic and Chemistry

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Abstract-Three separate limnocorral experiments were conducted to assess the fate and effects of a commercial 2,3,4,6-tetrachlorophenol (TeCP) formulation (DIATOX; 19.4% TeCP, 4.8% pentachlorophenol [PCP], 75.8% ''inert'' buffers) in an aquatic ecosystem. Nominal treatment concentrations for experiments 1 and 2 were 0.075 and 0.75 mg active ingredient (a.i.)/L and 0.75 and 1.50 mg a.i./L DIATOX, respectively, with three replicates of each treatment. Pesticide was applied in the morning for experiment 1 and in the evening for experiment 2. For Experiment 3, unreplicated concentrations of 0.1, 0.25, 0.5, 1.0, 2.0, 4.0, and 7.3 mg a.i./L DIATOX were chosen; pesticide was applied in the evening. In all three experiments, the pesticide was applied as a single, uniform surface treatment. Both TeCP and PCP dissipated rapidly from the water of treated limnocorrals. Times to 50% dissipation for TeCP and PCP in the integrated water column were generally similar within experiments but ranged from 0.4 to 1.1 d following the morning application of experiment 1 to 3.4 to 7.3 d following the evening applications of experiments 2 and 3. The faster initial dissipation of TeCP and PCP from the water following the morning application implicated photolysis as the primary degradation mechanism, as did the faster dissipation of chlorophenols from the surface layer than from other water depths during experiment 2. Aqueous dissipation rates for both compounds from the integrated water column were similar in all three experiments after the initial mixing period (1-4 d); the three-experiment average first-order rate coefficient for either compound after day 4 was 0.09/d. From a mass balance perspective, the majority of the chlorophenols remained in the water column. Neither compound accumulated in the sediments to any significant extent (Ͻ0.1% of applied mass), but sediment-associated residues did dissipate at a considerably slower rate than residues in the water column. From 97 to Ͼ99% of the applied chlorophenols had dissipated from the water of treated enclosures by the end of the various experiments (42-63 d).

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“…surface and ground water. They may produce disagreeable taste and odor to drinking water at concentrations below 0.1 µg/L [10] and adverse effects on the environment [11]. These contaminants are a major health concern because of their extremely high endocrine disrupting potency and genotoxicity.…”

Section: Introductionmentioning

confidence: 99%

Photocatalytic Degradation of 2,6-Dichlorophenol in Aqueous Phase Using Titania as a Photocatalyst

Kansal¹,

Chopra²

2012

ENG

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The paper includes the studies on photocatalytic degradation of 2,6-DCP in aqueous phase using titania (PC-105) as a photocatalyst. The degradation experiments were carried out by irradiating the aqueous suspensions of the model compound in the presence of photocatalysts under UV light. The rate of degradation was estimated from residual concentration spectrophotometrically. Various parameters affecting the degradation process viz. catalyst dose, pH, initial substrate concentration and time were investigated in order to obtain their optimum values. The maximum degradation of 2,6-DCP was achieved with 1.25 g/L catalyst dose at pH-4. The disappearance of 2,6-DCP obeyed pseudo-first order kinetics and the rate constant value was calculated to be 4.78 × 10<sup>-4</sup>s<sup>-1</sup>

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Danish coastal water levels of 2,3,4,6-tetrachlorophenol, pentachlorophenol, and total organohalogens in blue mussels (Mytilus edulis)

Cited by 16 publications

References 5 publications

Biomonitoring of Trace Aquatic Contaminants

Biomonitoring of Trace Aquatic Contaminants

Persistence and fate of 2,3,4,6‐tetrachlorophenol and pentachlorophenol in limnocorrals

Photocatalytic Degradation of 2,6-Dichlorophenol in Aqueous Phase Using Titania as a Photocatalyst

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