fda s national monitoring program for food and feed

... (Platichthys flesus), and plaice (Pleuronectes platessa), and in whole-body gobies © 1999 by CRC Press LLC (Pomatoschistus minutus) and sprats (Sprattus sprattus) Although liver tissues had a higher ... fish contaminants at sites in different land-use categories (such as agricultural sites, industrial and urban sites, paper mills using chlorine, other paper mills, and Superfund sites), sites ... (livers and fillets) and prey organisms from the western Baltic Sea (Schneider, 1982); and organochlorine residues in amphipods and other stream animals from Swedish streams (Sodergren and others,...

Ngày tải lên: 11/08/2014, 06:23

... the inside? FSHAMB 118 Fresh eggs that are cooked but still have a runny yolk? FSEGGS 119 Fresh alfalfa sprouts (such as those served in salads and sandwiches)? FSSPROUT 33 California Women s Health ... first time? Yes No Don't know/Not sure Refused Question Refused Module I would now like to ask you some questions about sexually transmitted diseases or STDs CHLYDTST (STD) (Ask if AGE

Ngày tải lên: 12/02/2014, 23:20

... and Washburn silt loams Easton and Washburn slit loams Easton and Washburn stony silt loams Fredon and Halsey silt loams Fredon and Halsey silt loams Hadley silt loam Hadley silt loam Howland gravelly ... classified as soil series.) (Arno, 1964) 18 cases stream forks, and locating these on the soils base of the aerial photographs to use as tic points as the soils map sheets contained no spatial referencing ... deposits in northern Maine He determined soil maps are somewhat successful in showing the distribution of lacustrine silts and clays Using soil surveys as potential sources of geologic information...

Ngày tải lên: 08/03/2014, 23:20

... Mycorrhizas 2005 Rosa Margesin Franz Schinner (Eds.) Manual for Soil Analysis – Monitoring and Assessing Soil Bioremediation With 31 Figures 123 Prof Dr Rosa Margesin Leopold Franzens University Institute ... commonly used equipment for sampling soil and related material Parts 4, 5, and of ISO 10381 describe needs for specific purposes within their scopes 1 Soil Sampling and Storage 1.3 Sampling Strategy ... used in soil description, land appraisal (taxation), and for soil monitoring sites to establish the basic information on the genesis and distribution of naturally occurring or man-made soils,...

Ngày tải lên: 08/08/2014, 01:20

... has been successful on some landfill sites and can be used for the installation of groundwater monitoring wells and gas standpipes Some versions of the hollow stem auger allow continuous access ... false negative results Ecotoxicological Testing Generally, sieved samples should be stored in darkness For microbial analyses, soils and soil materials should be handled as described above For ... investigations is highly dependent on the aim of the investigation and the related soil organisms 1 Soil Sampling and Storage 25 Single Samples vs Composite Samples Composite samples are usually...

Ngày tải lên: 08/08/2014, 01:20

... core is less than 0.02% The sample is than regarded as equilibrated Table 2.2 Examples of sands and silica flour suitable for suction tables Type Coarse sand Medium Fine sand Silica flour Use Base ... Nutrients: Phosphorus I Introduction Objectives Soil phosphorus is, besides nitrogen, potassium, calcium, and magnesium, a main nutrient for soil organisms and plants It exists in inorganic and organic ... carbonatefree soils and peats Nevertheless, results for clayey soils and soils rich in gypsum can be corrected by subtraction of 0.1% SOM per 1% of clayey soil and 0.26% SOM per 1% of gypsum-rich soil...

Ngày tải lên: 08/08/2014, 01:20

... samples at the center of each grid Samples should be homogenized prior to subsampling and submission for analysis (see also Chapt 1) Soil samples are stored in either plastic bags or in glass ... factor m mass of the sample (g wet mass) ds content of dry mass in the field-moist sample, determined according to ISO 11465 (g dry mass/g wet mass) I Notes and Points to Watch • The samples should ... MA, USA), and RaPID (Ohmicron, Newtown, PA, USA) assays Table 4.2 presents the properties of these systems and their application matrices and detection limits Principle The RaPID assay uses magnetic...

Ngày tải lên: 08/08/2014, 01:20

... watering Species such as Brassica juncea, some cultivars of grasses (Agrostis tenuis, Festuca rubra) and some cultivars of hybrid poplars are also suggested for this purpose 7.3.5 Full-Scale Application ... produce spores 1.4 Add 200−300 mL of sterile KCl solution and shake thoroughly Transfer the spore-containing suspension to a sterile flask About 108 spores/mL are required 1.5 Store spore suspensions ... treatability studies and full-scale field applications is the Streamline Test (Sas-Nowosielska et al 2001), which in combination with a routine laboratory study allows for a rapid and inexpensive assessment...

Ngày tải lên: 08/08/2014, 01:20

... hydrocarbons are described in USEPA methods 5030B: “Purge -and- Trap for Aqueous Samples,” and 5035: “Closed-System Purge -and- Trap and Extraction for Volatile Organics in Soil and Waste” (USEPA 2003) ... samples to assess whether there are any interfering species present, and if so, how to account for them For research purposes it is usually possible to arrange the concentrations of analytes to ... appropriate to set some “quality control” values that the standard samples must satisfy before the data are considered suitable for analysis Guidelines for suitable control values are given in USEPA method...

Ngày tải lên: 08/08/2014, 01:20

... Gradient Gel (after Fortin et al 2004) Assemble the glass plates with spacers and clamps and secure to the casting stand 10 Molecular Techniques for Monitoring and Assessing Soil Bioremediation ... programs (see, for example, Klee 1993) These programs will use Poisson statistics to estimate cell numbers based on where bioluminescence is first observed within the dilution series I Notes and ... classes discussed above Furthermore, the ability to stably insert the mini-transposon into the host chromosome makes these systems ideal for environmental applications, since the necessity for...

Ngày tải lên: 08/08/2014, 01:20

... parameters (e.g., biomass-specific respiration or biomass as a percentage of soil organic C) are also useful because they possess “internal controls” (see Barajas Aceves et al 1999 for a discussion) ... standard f-test for normality Also, in most biomass data sets, the variance of biomass increases with the absolute value of the biomass This violates the assumptions of parametric statistics, including ... dry mass of sample) I Notes and Points to Watch • The initial sample (s) must be as representative of the soil as possible and analysis of replicates is recommended • Sample preparation and dilutions...

Ngày tải lên: 08/08/2014, 01:20

... concentrations and dose-response relationships are obtained and evaluated further While this is a straightforward and often standardized approach, testing and assessing contaminated soils is more difficult, ... relevant soil organisms and respective test systems considered in the test battery for the assessment of the habitat function of soils; the selection represents different habitat and exposure routes ... to ISO/DIS 21268 (2004), for the tests with soil eluate, and for those using terrestrial test organisms other than microorganisms, the soil samples are sieved to ≤ mm For microbial tests the soil...

Ngày tải lên: 08/08/2014, 01:20

... chemicals and aquatic environmental samples While the standard allows the testing with two strains (Desmodesmus subspicatus, formerly Scenedesmus subspicatus, and Selenastrum capricornutum), the strategy ... numbers in agricultural soils; Petersen 1994; Hopkin 1997) Its use is criticized for the same reasons discussed for compost worms However, the response is similar: F candida is easily cultured and ... be used as a rapid screening test for monitoring the quality of soils and wastes, and it is suitable for testing the effects of cultivation methods, chemical substances, and pollution in soils...

Ngày tải lên: 08/08/2014, 01:20

... distress, and mental health services use among lesbian, gay, and bisexual adults in the United States J Consult Clin Psychol 2003, 71(1):53-61 Cochran SD: Emerging issues in research on lesbians' and ... Druss BG, Wang PS, Sampson NA, Olfson M, Pincus HA, Wells KB, Kessler RC: Understanding mental health treatment in persons without mental diagnoses: results from the national comorbidity survey ... of this work has been hampered by small sample sizes and limited assessment of clinical disorders Further, sexual minorities who are also ethnic minorities face additional barriers to seeking...

Ngày tải lên: 11/08/2014, 17:20

... purpose of many studies is to derive expressions for these quantities Therefore it is essential that the response of a single mass system under various types of loading is fully understood For ... techniques the problems are solved by various methods, such as harmonic analysis using complex response functions, and the Laplace transform method 1.1 Single mass system Consider the system of a single ... are first given, and then these are used as the basics for the solutions for the stresses in case of a line load constant in time These solutions should tend towards the well known elastostatic...

Ngày tải lên: 16/10/2012, 11:26

... overall satisfaction IDOP has several surveys measuring satisfaction and statistics on the hiring process, and satisfaction of training services IDRF held several focus groups measuring comments relating ... hardcopy Pos (get lost/delayed in local mail) Office space issues assistance is almost non-existent, and at best "poor" Timely responses to questions/concerns not happen We only use DGS services in ... immediate response while things like sales rep visits and customer council meetings aren't as timely However, some issues - like broad policy issues - lend themselves to customer council meetings vs a...

Ngày tải lên: 23/10/2012, 11:54

... advantages of a liberalised market 2.5.5 Consumer expectations Consumer satisfaction is a subjective assessment of an actual service experience This assessment starts from the expectations of the consumers ... This scale is recommended by most experts and also used in other consumer satisfaction models (such as the ACSI model) Most experts recommend using a numerical 10-point scale for consumer satisfaction ... general, such satisfaction is measured on ordinal scales (e.g not at all satisfied – not fully satisfied – more or less satisfied – quite satisfied – very satisfied) or simple numerical scales (e.g...

Ngày tải lên: 23/10/2012, 11:54

... regression analysis under constraints using linear programming techniques (Jacquet-Lagrèze and Siskos, 1982; Siskos and Yannacopoulos, 1985; Siskos, 1985) The ordinal regression analysis equation ... variables, which represent the successive steps of the value functions Υ * and Χ i* (Siskos and Yannacopoulos, 1985; Siskos, 1985) The transformation equation can be written as follows (see also Figure ... situations or the efforts of marketing that aims to the change of customers’ purchase behaviour are In most cases, customer satisfaction is a necessary but not sufficient condition for loyalty Satisfaction...

Ngày tải lên: 23/10/2012, 11:54

... explanations Firstly, financial statistics remain in several respects less developed and less harmonised than real statistics, especially as regards data on outstanding amounts Financial flows are ... theoretical analyses Attempting to clarify the mechanisms of development of such risks, these analyses seek to draw lessons on the warning signs of financial crises A first subsection deals with the ... in many respects less developed and less harmonised than real statistics, especially as regards data concerning outstanding amounts These figures, being subject to sharp fluctuations, are more...

Ngày tải lên: 24/10/2012, 09:11

... all students Assessment Of the 33 departments of CAP, (27%) assess students’ knowledge and skills with written tests and another (24%) use multiple-choice tests Six (18%) contribute questions to ... of survey also has drawbacks because some questions and answers may be imprecise In the responses to the questionnaires, sometimes questions were left unanswered or the information provided was ... of psychiatric disorders in children • Other Skills • Assessment of children and adolescents • Assessment of families • Other Which teaching methods you use? • Lectures • Case presentations •...

Ngày tải lên: 25/10/2012, 10:06