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Determination of Ion and Neutral Loss Compositions and Deconvolution of Product Ion Mass Spectra Using an Orthogonal Acceleration, Time-of-Flight Mass Spectrometer and an Ion Correlation Program11-30-2006

Because accurate masses and RIAs were obtained for ions across the entire mass range (50-950 Da) during full scanning, no selected ion detection modes requiring menu preparation before acquiring data were ...

http://www.epa.gov/esd/chemistry/ice/oatofP.htm (HTML)

Method 527: Determination of Selected Pesticides and Flame Retardants in Drinking Water By Solid Phase Extraction and Capillary Column Gas Chromatography/ Mass Spectrometry (GC/MS)| US EPA Method 527: Determination of Selected Pesticides and Flame Retardants in Drinking Water By Solid Phase Extraction and Capillary Column Gas Chromatography/ Mass Spectrometry (GC/MS)

This is a gas chromatography/mass spectrometry (GC/MS) method for the determination of selected semivolatile organic compounds in drinking waters ...

http://yosemite.epa.gov/water/owrccatalog.nsf/065ca07e299b464685256ce5... (HTML)

1997 Annual Report | Microengineered Mass Spectrometer for in-situ Measurement of Airborne Contaminants

... for Airborne Organics (MIT) Center Director: Seinfeld, John Title: Microengineered Mass Spectrometer for in-situ Measurement of Airborne Contaminants Investigators: Carr ...

http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)

2000 Annual Report | A New Application of the Fundamental Physics of Atmospheric Pressure Ionization Mass Spectrometry to Ozone and Fine Particulate Formation Mechanisms12-02-2002

... analyze using conventional methods of analysis such as gas chromatography-mass spectrometry (GCMS... the fly." Ions are created, accelerated towards the detector, mass-selected, and detected in a very short time.

http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)

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Mass Peak Generation Model12-29-2006

Separation of components in time by gas chromatography followed by mass selection of ions using mass spectrometry (GC/MS) provides distinctive mass spectra for many organic compounds ...

http://www.epa.gov/esd/chemistry/ice/spec.htm (HTML)

02/26/2008: Two Mass. Groups Selected for $54K in EPA Environmental Education Grants02-26-2008

Groups Selected for $54K in EPA Environmental Education Grants Release date: 02 ... Poirier, (617) 918-1079 Kristen Conroy, (617) 918- 1069 (Boston, Mass.

http://yosemite.epa.gov/opa/admpress.nsf/d0cf6618525a9efb85257359003fb... (HTML)

06/19/2008: N.H. and Mass. Estuaries Selected for EPA Climate Case Study06-19-2008

Estuaries Selected for EPA Climate Case Study Release date: 06/19/2008 Contact Information: David Deegan, (617) 918-1017 (Boston, Mass ...

http://yosemite.epa.gov/opa/admpress.nsf/d0cf6618525a9efb85257359003fb... (HTML)

More results from Press Releases »

EPA Exposure Research - (State Monitoring Working Group)COMPARISON of the Stn and Improve Networks for Mass and Selected Chemical Components10-22-2007

... Working Group)COMPARISON of the Stn and Improve Networks for Mass and Selected Chemical Components (State Monitoring Working Group)COMPARISON of the Stn and Improve Networks for Mass and Selected Chemical Components ...

http://cfpub.epa.gov/ordpubs/nerlpubs/recordisplay.cfm?deid=83059 (HTML)

EPA Exposure Research - Comparison of the Stn and Improve Networks for Mass and Selected Chemical Components10-22-2007

... Exposure Research - Comparison of the Stn and Improve Networks for Mass and Selected Chemical Components Comparison of the Stn and Improve Networks for Mass and Selected Chemical Components ...

http://cfpub.epa.gov/ordpubs/nerlpubs/recordisplay.cfm?deid=72062 (HTML)

EPA Exposure Research - Determination of Pesticides in Composite Dietary Samples By Gas Chromatography/Mass Spectrometry in the Selected Ion Monitoring Mode Using a Temperature Programmable Large Volume Injector With Pre-Separation Column10-22-2007

Detection is performed by gas chromatography/mass spectrometry in the selected ion monitoring mode... Determination of Pesticides in Composite Dietary Samples By Gas Chromatography/Mass Spectrometry in the Selected Ion Monitoring Mode Using a Temperature Programmable Large Volume Injector ...

http://cfpub.epa.gov/ordpubs/nerlpubs/recordisplay.cfm?deid=64799 (HTML)

Mass Measurements12-29-2006

Left-hand traces: mass peak profiles for selected ions, all having a nominal mass of 336 Da, as acquired and separated from coincident ions having similar accurate masses ...

http://www.epa.gov/esd/chemistry/ice/ac1.htm (HTML)

Pharmaceuticals in the Environment-Types of Mass Spectrometers for Determining Elemental Compositions of Ions11-30-2006

Mass Peak Profiling from Selected Ion Recording Data (MPPSIRD) performed with a double focusing mass spectrometer provides the best combination of these capabilities ...

http://www.epa.gov/esd/chemistry/ice/ja.htm (HTML)

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