| Belgium | | National / seizures sent to the laboratories for analysis following prosecutors' decision / analysis developed by 11 laboratories including data from "Project drugs in circulation" |
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| Bulgaria | | National / all seizures / routine analysis of seizures.
Adulterants/cutting agents/impurities in amphetamine and MDMA samples: Amphetamine: caffeine, quinine, paracetamol and theophiline; MDMA: caffeine and lactose |
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| Czech Republic | | National / all seizures / routine analysis of seizures in some laboratories; not all analysis and all laboratories are included (permanent data collection twice per year). |
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| Denmark-A | | National (5 largest cities ) / small seizures at user's level, random selection of powder between 0,03 and 1 gram in the 5 largest cities/ monitoring system / base |
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| Denmark-B | | National / all police seizures / monitoring system / base |
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| Germany | | National / all seizures linked to criminal investigation / routine analysis of seizures / base |
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| Estonia | | National / all seizures / routine analysis of seizures |
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| France | | National / all seizures / monitoring system |
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| Italy | | National / seizures under a specific threshold (Latium all seizures) / routine analysis of seizures |
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| Latvia | | National / all seizures / routine analysis of seizures |
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| Lithuania | | National / all seizures - amphetamine purity refer to amphetamine powder only / routine analysis of seizures |
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| Luxembourg | | National / all seizures random sampling / monitoring system |
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| Hungary | | National / all seizures submitted for analysis of over: 0.7g for amphetamines, 10 units for ecstasy, and less than 100g for 'street level' powders / routine analysis of seizures |
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| Malta | | National / random sample of police and customs seizures / monitoring system |
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| Netherlands | | National / all samples provided by drug users containing at least 1 mg of the substance (1011 samples were purchased as amphetamine, 8 as methamphetamine and 2357 as MDMA) / routine analysis of drug samples provided by users |
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| Austria | | National / seizures under a specific threshold / seizures when suspicion about the substance / test purchases at street level / routine analysis of seizures |
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| Poland | | National / samples at user's level / routine analysis of seizures |
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| Portugal | | National / random selected sample of seizures of under 1 g / routine analysis of seizures |
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| Romania | | National / sampling of all cases (retail or large) for which the authorities requested the potency analysis according UNODC best practice manual / routine analysis of seizures / salt for MDMA; base for amphetamine (using gas chromatography with flame ionization detection (GC-FID) technique) |
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| Slovenia | | National / all seizures. Ecstasy sample size is based on logos / routine analysis of seizures |
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| Slovakia | | National / all seizures / routine analysis of seizures / base |
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| Finland | | : |
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| Sweden | | National / seizures made by the police. Quantitative analysis is always carried out on seizures consisting of >200g or on request from the police / Data is collected continuously throughout the year |
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| United Kingdom | | National (England and Wales) / no more than 25 g seizures submitted for analysis by police forces / routine analysis of seizures / base |
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| Croatia | | National / all seizures / routine analysis of seizures |
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| Turkey | | National / seizures sent to the laboratories for analysis due judicial or law enforcement needs / routine analysis of seizures |
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| Norway | | National / all seizures / routine analysis of seizures |
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