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  • A comparison of IDEXX coliform/E. Coli tests
    46 South Street Rydalmere NSW 2116 AUSTRALIA Tel 1300 4 IDEXX AU 1300 44 33 99 Tel 0800 102 084 NZ Fax 1800 634 409 AU Fax 0800 448 443 NZ To learn more about IDEXX products and services please contact a representative nearest you Quick Links Water Microbiology Training Videos Water Industry News H 2 O News Quality Certificates Water Tests and Accessories Resource Library Reference Library Water Products Catalogue Worldwide Approvals Map Water International Canada China France Germany Italy Japan Latin America Spain United Kingdom United States A Comparison of IDEXX Coliform and E coli Tests IDEXX coliform and E coli tests offer you the flexibility to test multiple water samples for contamination with results in 24 hours Four products meet testing requirements around the world The following information outlines the features of each test Colilert Lowest cost and most popular Defined Substrate Technology DST test US EPA approved Drinking and source water Included in Standard Methods for Examination of Water and Waste water Sample size format 10 ml and 100 ml Time to results 24 28 hours Shelf life 12 months Quantification Quanti Tray Quanti Tray 2000 and MPN tubes Positive result Yellow for coliform and fluorescent

    Original URL path: http://www.idexx.com.au/html/en_au/water/comparison.html (2014-01-05)
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  • A comparison of IDEXX enterococci tests
    Office IDEXX Laboratories Pty Ltd Unit 20 38 46 South Street Rydalmere NSW 2116 AUSTRALIA Tel 1300 4 IDEXX AU 1300 44 33 99 Tel 0800 102 084 NZ Fax 1800 634 409 AU Fax 0800 448 443 NZ To learn more about IDEXX products and services please contact a representative nearest you Quick Links Water Microbiology Training Videos Water Industry News H 2 O News Quality Certificates Water Tests and Accessories Resource Library Reference Library Water Products Catalogue Worldwide Approvals Map Water International Canada China France Germany Italy Japan Latin America Spain United Kingdom United States A Comparison of IDEXX Enterococci Tests IDEXX enterococci tests offer you the flexibility to test multiple water samples for enterococci contamination with results in 24 hours Four Enterolert products meet testing requirements around the world The following information outlines the features of each test Enterolert North American market Developed to correlate with the US EPA Method 1600 mEI agar for Recreational Water and Waste water US EPA approved Recreational Water Wastewater and Ground water Included in Standard Methods for Examination of Water and Waste water Sample size format 100 ml Time to results 24 28 hours Shelf life 12 months Quantification Quanti Tray

    Original URL path: http://www.idexx.com.au/html/en_au/water/enterococci-tests-comparison.html (2014-01-05)
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  • Pseudalert water testing product information
    Tray or Quanti Tray 2000 Snap packs for 100 ml water samples 20 test pack No WPSE0201 100 test pack No WPSE100I 200 test pack No WPSE2001 How Pseudalert works The Pseudalert test detects the presence of Pseudomonas aeruginosa in bottled pool or spa water samples The test is based on a bacterial enzyme detection technology that signals the presence of P aeruginosa through the hydrolysis of a substrate in the Pseudalert reagent P aeruginosa cells rapidly grow and reproduce using the rich supply of amino acids vitamins and other nutrients present in the Pseudalert reagent Actively growing strains of P aeruginosa have an enzyme that cleaves the substrate in the reagent to produce blue fluorescence under ultraviolet light Pseudalert detects P aeruginosa at 1 cfu in either 100 ml or 250 ml samples within 24 hours for non carbonated water samples and within 26 hours for carbonated water samples View Print Pseudalert Procedure Learn how to use Pseudalert and Pseudalert 250 A step by step guide to using Pseudalert Show detail Hide detail Presence Absence P A and Quantification Instruction Presence Absence P A Quantification Step 1 Add reagent to sample sample will turn yellow and then incubate at 38 0 5 C for 24 28 hours Step 1 Add reagent to sample sample will turn yellow Step 2 Read under ultraviolet UV light Blue fluorescence indicates presence of P aeruginosa See the Pseudalert Quick Reference Guide PDF for tips on reading fluorescence Step 2 Add IDEXX Antifoam Solution to vessel Step 3 Pour into Quanti Tray counts from 1 200 or Quanti Tray 2000 counts from 1 2 419 Step 4 Seal using a Quanti Tray Sealer and then incubate at 38 0 5 C for 24 28 hours Step 5 Read under ultraviolet UV light Blue fluorescence indicates the presence of P aeruginosa Count the positive blue fluorescent wells and refer to MPN table See the Pseudalert Quick Reference Guide PDF for tips on reading fluorescence Frequently asked questions and answers What water types can be tested with the Pseudalert test The Pseudalert test is designed for water samples including bottled pool and spa water Bottled water samples are defined as samples taken from any point in the manufacturing of bottled water from the original water to the finished product Extensive studies were done on Pseudomonas aeruginosa stressed by the various chemicals and cleaning agents used in pools and spas to mimic the impact of treatment Pseudalert was specifically formulated and tested to ensure it would detect stressed P aeruginosa in these samples How does Pseudalert work Pseudalert is based on a bacterial enzyme detection method that signals the presence of Pseudomonas aeruginosa through the hydrolysis of an enzyme substrate P aeruginosa cells rapidly grow and reproduce using the rich supply of amino acids vitamins and other nutrients present in the Pseudalert reagent Actively growing strains of P aeruginosa have an enzyme that cleaves the substrate in the reagent to produce blue fluorescence under ultraviolet light Pseudalert

    Original URL path: http://www.idexx.com.au/html/en_au/water/products/pseudalert.html (2014-01-05)
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  • Filta-Max xpress water testing product information
    diameter hole All the discs are 1 cm in depth Discs The discs are stacked alternately to a height of 79 cm and then compressed to a height of 3 0 cm A retaining bolt maintains the compression This produces a filter module consisting of an outer region with a 13 3X compression ratio and an inner core with a compression ratio of 26 6X Filter housing The filter is placed in a reusable filter housing for sampling Sampling process During the sampling process the outer region acts as a pre filter and the inner core as a barrier As a result the majority of target organisms become trapped at the interface between the inner and outer regions with larger particulates caught in the pre filter Filta Max xpress uses air pressure to force a specifically designed elution buffer through the filter The action of the buffer along with the shear forces generated inside the filter result in the fast efficient elution of target organisms from the filter matrix View Print Filta Max xpress Operator s Guide Biological View Print Filta Max xpress Operator s Guide Mechannical Learn how to use Filta Max A step by step guide to using Filta Max xpress Show detail Hide detail Filta Max xpress Instructions Step 1 Place the Filta Max xpress filter module in the filter housing and connect it to the required source IDEXX supplies quick connect fittings to enable easy field or grab sample handling Step 2 After sampling the filter housing can be attached directly to the IDEXX Filta Max xpress Pressure Elution Station Other sampling options are available View Filta Max xpress Sampling Options Frequently asked questions and answers General questions Is Filta Max xpress accepted by the U S EPA Yes Filta Max xpress is accepted by the U S Environmental Protection Agency EPA under Methods 1622 and 1623 Office of Ground Water and Drinking Water Standards and Risk Management Division January 11 2007 Pressure Elution Station questions What is the final volume after elution The final volume is 400 450 mL Are there any integrity effects on the oocysts and cysts IDEXX performed experiments with various ages of oocysts and cysts and did not see any changes to the morphology or mophometry Do you see more consistent or higher recoveries with Filta Max xpress Recoveries are equivalent to or higher than Filta Max and show a higher degree of precision Which matrices has IDEXX used in developing Filta Max xpress IDEXX has experimented with challenging matrices from a wide range of geographical locations Is there a chance for cross contamination when using the Filta Max xpress Pressure Elution Station The elution station uses positive pressure to elute the oocysts and cysts from the filter module minimizing the risk of contaminating the unit itself IDEXX supplies five outlet diverters with each elution station so your laboratory can switch diverters between samples You can clean these manually or in an autoclave IDEXX has researched the possibility of cross contamination

    Original URL path: http://www.idexx.com.au/html/en_au/water/products/filta-max-xpress.html (2014-01-05)
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  • HPC for Quanti-Tray
    water idexx com Overview Science How To Q A Accessories Resources HPC for Quanti Tray Confidence in quantification Convenient 100 ml sample size test source water transport vehicle water manufacturing line water and finished products Simple procedure needs no special training Shares the same Quanti Tray system as Colilert Enterolert and Pseudalert tests for maximum efficiency Results valid at 44 72 hours Product Information Sample size 100 ml Time to results 44 72 hours Shelf life Up to 12 months at 2 25 C store away from direct light Read Sample fluoresces to indicate the presence of heterotrophs Uses Quantification testing using IDEXX Quanti Tray Quanti Tray 2000 Snap packs with Quanti Tray for 100 ml water samples 20 test pack No WHQT 20 200 test pack No WHQT 200 Snap packs with Quanti Tray 2000 for 100 ml water samples 20 test pack No WHQT2K 20 200 test pack No WHQT2K 200 How HPC for Quanti Tray works The HPC for Quanti Tray Test is used for the quantification of heterotrophic organisms in 100 ml of water The test is based on IDEXX patented Multiple Enzyme Technology which detects viable heterotrophic organisms by testing for the presence of key enzymes known to be present in these organisms The test uses multiple enzyme substrates that produce blue fluorescence when metabolised by water borne bacteria The sample reagent mixture is added to a Quanti Tray incubated and then examined for fluorescing wells The number of fluorescing wells corresponds to a most probable number MPN of total heterotrophic organisms in the original sample The HPC for Quanti Tray Test detects organisms at 1 cfu 100 ml after 44 72 hours of incubation View Print HPC for Quanti Tray Procedure A step by step guide to using HPC for Quanti Tray Show detail Hide detail HPC for Quanti Tray Instruction Step 1 Add reagent to sample sample will turn pink Step 2 Pour into Quanti Tray or Quanti Tray 2000 Step 3 Seal using a Quanti Tray Sealer incubate for 44 hours Step 4 Read under ultraviolet light count blue fluorescent wells and refer to MPN table Frequently asked questions and answers Which water types can be tested The HPC for Quanti Tray Test is designed specifically for bottled water samples Bottled water samples are defined as samples taken from any point in the bottled water manufacturing process from the original water source to transportation vehicles to the manufacturing line to the finished product What is the sample incubation time and temperature Water samples are incubated at 36ºC 2ºC for 44 hours and results are valid up to 72 hours What is the detection limit The HPC for Quanti Tray Test detects heterotrophic organisms at 1 cfu 100 mL Does the test include a comparator There is no comparator for the HPC for Quanti Tray Test Use a negative control for comparison when you interpret results Are results valid prior to 44 hours Yes if the results are positive An inoculated HPC for

    Original URL path: http://www.idexx.com.au/html/en_au/water/products/hpc-for-quanti-tray.html (2014-01-05)
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  • Quanti-Tray and Quanti-Tray/2000 - Water Testing Product Information
    95 confidence limits better than or comparable to membrane filtration MF Cost Effective Minimal equipment to purchase and maintain No glassware to purchase and clean Minimal bench space needed Resource List Australian Standard Approval for Colilert Colilert 18 Quanti Tray and Quanti Tray 2000 Colilert 18 Quanti Tray Quanti Tray 2000 Inclusion in United Kingdom Sewage and Sludge Blue Book Product Information Quanti Tray Sterile disposable 51 well trays Enumerate bacteria using Colilert Colilert 18 Colisure Enterolert and Pseudalert Maximum counting range of 200 per 100 ml without dilution Most Probable Number MPN table enclosed 100 trays No WQT100 Approved only for use with IDEXX reagents Quanti Tray 2000 Sterile disposable 97 well trays Enumerate bacteria using Colilert Colilert 18 Colisure and Enterolert and Pseudalert Maximum counting range of 2 419 per 100 ml without dilution MPN table enclosed Requires Quanti Tray 2000 Rubber Insert WQTSRBR 2K 100 trays No WQT 2K Approved only for use with IDEXX reagents How Quanti Tray works Quanti Tray By dividing the 100 ml sample into 51 wells Quanti Tray uses the Standard Method Most Probable Number MPN approach to determine the number of bacteria in the original sample Automation minimises hands on time and maximises throughput up to four samples per minute The relatively large number of wells provides a high counting range 200 100 ml without dilutions and very tight 95 confidence limits Quanti Tray 2000 IDEXX s Quanti Tray 2000 is based on the same statistical model as the traditional 15 tube serial dilution In the serial dilution method varied amounts of sample are distributed into tubes Dilution water is then added as necessary to fill the tubes and cover the Durham tubes With the Quanti Tray 2000 the sample is automatically divided into the proper portions by the Quanti Tray Sealer without test tubes Durham tubes measuring or dilution water By automatically distributing the sample into 97 wells of two different sizes Quanti Tray 2000 yields a counting range of 1 2 419 with a far better 95 confidence limit than a 15 tube serial dilution 15 Tube Serial Dilution vs Quanti Tray 2000 View Print Quanti Tray Procedure Learn how to use Quanti Tray Learn how to use Quanti Tray 2000 A step by step guide to using Quanti Tray and Quanti Tray 2000 Show detail Hide detail Quanti Tray Instruction Step 1 Add sample reagent to tray Step 2 Seal tray in Quanti Tray Sealer Step 3 Incubate count positive wells and refer to MPN table Quanti Tray counts from 1 200 Quanti Tray 2000 counts from 1 2 419 Frequently asked questions and answers Are Quanti Tray and Quanti Tray 2000 U S EPA approved Yes U S Environmental Protection Agency EPA has stated in writing that Quanti Tray and Quanti Tray 2000 can be used for compliance testing Quanti Tray approval letters from U S EPA are available on request How do Quanti Tray and Quanti Tray 2000 compare to other standard methods Quanti Tray provides

    Original URL path: http://www.idexx.com.au/html/en_au/water/products/quanti-tray.html (2014-01-05)
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  • IDEXX-QC - IDEXX Water Microbiology
    accreditation Microbiology the QC tests you need the confidence you seek Expected ranges based on IDEXX test kits Traceable strains eliminate multiple passes 3 easy steps dispense dissolve and mix Match IDEXX insert requirements exactly Chemistry the QC tests you perform the consistency you expect All materials are ISO Guide 34 2009 certified Proficiency testing services IDEXX is partnering with NSI Solutions Inc to bring you unparalleled proficiency testing PT services for the methods you use Resource List IDEXX QC Enterococci DW Procedure IDEXX QC Enterococci Procedure IDEXX QC Fecal Coliform Procedure IDEXX QC Pseudomonas Procedure The science behind IDEXX QC tests IDEXX QC tests are fully traceable back to known cultures A proprietary gel like matrix makes IDEXX QC tests easy to use and ensures the stability of organisms This saves time in testing and preserves the shelf life of the tests All IDEXX QC reagents can be used in a presence absence P A vessel Quanti Tray or Quanti Tray 2000 A step by step guide to using IDEXX QC Show detail Hide detail IDEXX QC Instruction Perform the following steps at room temperature Step 1 Remove vial s from freezer Equilibrate at room temperature for 10 15 minutes Step 2 Open a vial and aseptically transfer a coloured disc to an appropriately labelled vessel of 100 ml of IDEXX Sterile Hydration Buffer or 100 ml of non buffered oxidant free water in a sterile vessel Note The disc may occasionally stick to the vial If this occurs use sterile tweezers to gently remove the disc Step 3 Swirl the sample and allow to stand for 10 15 minutes The disc should completely dissolve After it is dissolved mix by inverting the vessel 10 times Step 4 Use within 30 minutes of hydration Step 5 Review lot activity

    Original URL path: http://www.idexx.com.au/html/en_au/water/products/idexx-qc.html (2014-01-05)
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  • EZ DPD water testing product information
    Refill vials screw on quickly and easily Accurate US EPA accepted Standard Methods for the Examination of Water and Waste water Section 4500 Cl G Eliminates risk of powder trapped in corners of foil pouches Product Information Sample size 5 ml 10 ml Uses Field tests for free chlorine residual and total chlorine residual in water for use with colour wheels colour cubes and or colourimeters not manufactured by IDEXX Shelf life 1 year from the date of manufacture 6 months from the date first opened EZ DPD Free Chlorine Test Dispenser Kit Dispenser plus reagent for 200 tests WDPD10FD Refill Kit 2 vials of reagent for 200 tests each 400 total WDPD10FR 2 EZ DPD Total Chlorine Test Dispenser Kit Dispenser plus reagent for 200 tests WDPD10TD Refill Kit 2 vials of reagent for 200 tests each 400 total WDPD10TR 2 How EZ DPD works EZ DPD dispenses a pre measured dose of N N Diethyl p phenylenediamine DPD into a 5 ml or 10 ml sample The DPD reacts with chlorine in the sample to produce a pink colour change The intensity of the colour is proportional to the amount of chlorine in the sample Colourimetric test kits not currently sold by IDEXX allow the sampler to interpret the intensity of the colour change providing a quantitative measure of the amount of chlorine in the sample EZ DPD detects chlorine between 0 1 4 parts per million ppm View Print EZ DPD Free Chlorine Insert View Print EZ DPD Total Chlorine Insert A guide to using EZ DPD Show detail Hide detail EZ DPD Instruction Dispensing Fill sample vial not from IDEXX with water you wish to test Place EZ DPD over sample vial and press button once Read results according to procedure explained in your test kit Refilling To refill unscrew empty reagent vial Uncap refill vial and screw into dispenser top Compatibility EZ DPD works with a wide range of chlorine test kits Frequently asked questions and answers What chlorine testing is required by the U S EPA The Surface Water Treatment Rule of 1989 requires that distribution systems using surface water as a source and serving more than 25 people disinfect the distribution system or meet maximum HPC levels Disinfectant residual level must be 0 2 mg L ppm or the HPC level must be below 500 cfu mL The disinfectant residual must be present in 95 of samples for 2 consecutive months Testing frequency requirements POPULATION SERVED MINIMUM SAMPLES DAY 500 1 501 1000 2 1001 2500 3 2501 3300 4 3300 continuous What is free chlorine Chlorine present as Cl 2 HOCl and OCl is free available chlorine The active chlorine in the water for disinfection is also called free chlorine residual What is combined chlorine Combined chlorine is that which is bound to other elements or organic compounds but is still an effective disinfectant Combined chlorine has been found to be more effective than free chlorine in controlling postdisinfection bacterial growth Chloramines

    Original URL path: http://www.idexx.com.au/html/en_au/water/products/ez-dpd.html (2014-01-05)
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