Aqueous Mesocosm Techniques Enabling the Real-Time Measurement of the Chemical and Isotopic Kinetics of Dissolved Methane and Carbon Dioxide

Development of a Fast-Response System with Integrated Calibration for High-Resolution Mapping of Dissolved Methane Concentration in Surface Waters

Cavity Ring-Down Spectroscopy Performance and Procedures for High-Throughput δ18O and δ2H Measurement in Water Using “Express” Mode

Quirks of the New NESHAP Subpart O Regulation

Variability of ambient air ammonia in urban Europe (Finland, France, Italy, Spain, and the UK)

Measuring Indoor HCl at the parts-per-trillion (ppt) level with novel Picarro CRDS Gas Concentration Analyzer

A comparison of methods for the measurement of CO2 and CH4 emissions from surface water reservoirs: Results from an international workshop held at Three Gorges Dam, June 2012

Microwave extraction–isotope ratio infrared spectroscopy (ME-IRIS): a novel technique for rapid extraction and in-line analysis of δ¹⁸O and δ²H values of water in plants, soils and insects

Carbon, nitrogen, and water stable isotopes in plant tissue and soils across a moisture gradient in Puerto Rico

Expanding the scope and applicability of laser-based spectroscopy to studies of ecohydrology by removing organic contaminants in natural water

The Journey of a Thousand Good Measurements Begins with One Replicate: Optimizing CRDS Measurements for Capturing Day-to-Day Variations in Triple Oxygen Isotopes of Rainfall

Squandering water in drylands: the water-use strategy of the phreatophyte Ziziphus lotus in a groundwater-dependent ecosystem

Measurement-based emissions assessment and reduction through accelerated detection and repair of large leaks in a gas distribution network

Decomposition of litter mixtures induces non-additive effects on soil priming across a riparian land use gradient

Human Ammonia Emission Rates under Various Indoor Environmental Conditions

A simple method for rapid removal of the memory effect in cavity ring-down spectroscopy water isotope measurements

Reactive Chlorine Emissions from Cleaning and Reactive Nitrogen Chemistry in an Indoor Athletic Facility

Isotopic measurements in water vapor, precipitation, and seawater during EUREC⁴A

High time-resolution measurements of HCl in marine and continental urban areas: Implications for the reactive chlorine budget

Understanding Sources of Atmospheric Hydrogen Chloride in Coastal Spring and Continental Winter

Validation of a new cavity ring-down spectrometer for measuring tropospheric gaseous hydrogen chloride

Development and Validation of a New In-Situ Technique to Measure Total Gaseous Chlorine in Ambient Air

Breath chemical markers of sexual arousal in humans

Nitrogen removal by eutrophic coastal wetlands accomplished with CH₄ emission reduction

Room-level ventilation in schools and universities

Changes of ammonia concentrations in wintertime on the North China Plain from 2018 to 2020

Vehicular Emissions Enhanced Ammonia Concentrations in Winter Mornings: Insights from Diurnal Nitrogen Isotopic Signatures

Atmospheric Ammonia Fluxes in the USA Corn Belt: Insights from Aircraft Measurements and WRF-CHEM Modeling of a Spring Peak Emission Period

Methane and NO_x Emissions from Natural Gas Stoves, Cooktops, and Ovens in Residential Homes

Recent Advances in Real-time, Continuous, Sub-ppb Formaldehyde Measurements at Ambient Air Quality Monitoring Stations

Improved throughput for δ¹⁸O and δD measurements of water with Cavity Ring-Down Spectroscopy

An open-source, automated, gas sampling peripheral for laboratory incubation experiments using cavity ring-down spectroscopy

Hot moments drive extreme nitrous oxide and methane emissions from agricultural peatlands

An effective and automated approach for reducing infection risk from contaminated privacy curtains

Continuous and simultaneous measurement of triple-oxygen and hydrogen isotopes of liquid and vapor during evaporation experiments

Uncertainties and limitations of using carbon‐13 and oxygen‐18 leaf isotope exchange to estimate the temperature response of mesophyll CO₂ conductance in C₃ plants

Tracking the direct impact of rainfall on groundwater at Mt. Fuji by multiple analyses including microbial DNA

Studying catchment storm response using event- and pre-event-water volumes as fractions of precipitation rather than discharge

Stable Isotopes of Precipitation During Tropical Sumatra Squalls in Singapore

Measurement of Gross Photosynthesis, Respiration in the Light, and Mesophyll Conductance Using H₂¹⁸O Labeling

High-Frequency Water Isotopic Analysis Using an Automatic Water Sampling System in Rice-Based Cropping Systems

A randomized controlled trial of the impact of protein supplementation on leg lean mass and integrated muscle protein synthesis during inactivity and energy restriction in older persons

A new interpretative framework for below-cloud effects on stable water isotopes in vapour and rain

Novel Materials for Combined Nitrogen Dioxide and Formaldehyde Pollution Control under Ambient Conditions

Development of a Monitoring System for Semicontinuous Measurements of Stable Carbon Isotope Ratios in Atmospheric Carbonaceous Aerosols: Optimized Methods and Application to Field Measurements

Impact of H₂O₂ Sorption by Polymers on the Duration of Aeration in Pharmaceutical Decontamination

Design-oriented regression models for H₂O₂ decontamination processes in sterile drug product manufacturing considering rapidity and sterility

The Diffusion of Hydrogen Peroxide Into the Liquid Product During Filling Operations Inside Vaporous Hydrogen Peroxide - Sterilized Isolators Can Be Predicted by a Mechanistic Model

Vapor Phase Hydrogen Peroxide Sanitization of an Isolator for Aseptic Filling of Monoclonal Antibody Drug Product -  Hydrogen Peroxide Uptake and Impact on Protein Quality

Fast oxidation of sulfur dioxide by hydrogen peroxide in deliquesced aerosol particles

Novel Materials for Combined Nitrogen Dioxide and Formaldehyde Pollution Control under Ambient Conditions

Formation and emission of hydrogen chloride in indoor air

Tracking ammonia morning peak, sources and transport with 1 Hz measurements at a rural site in North China Plain

Metrological performance assessment of different Cavity Enhanced Spectrometer to measure atmospheric nitrous oxide

Methane and nitrous oxide porewater concentrations and surface fluxes of a regulated river

A methane sink in the Central American high elevation páramo: Topographic, soil moisture and vegetation effects

CH₄ uptake along a successional gradient in temperate alpine soils

High-precision cavity ringdown measurements of δ¹³CO₂ and δ¹³CH₄ along the Eastern North Atlantic onboard the sailing research vessel Fleur de Passion

Measuring isotopic N₂O, CO₂ and CH₄ soil flux with cavity ring-down spectroscopy

Metabolic Fates of Evening Crop-Stored Sugar in Ruby-Throated Hummingbirds (Archilochus colubris)

Monitoring the efficiency of a portable air cleaner for formaldehyde removal with a Cavity Ring-Down Spectrometer

The Influence of sea ice on ocean water vapor isotopes and Greenland ice core records

Central Europe temperature constrained by speleothem fluid inclusion water isotopes over the past 14,000 years

Method for flux and isotopic measurements from soil chambers using cavity ring-down spectroscopy (CRDS)

Local- and regional-scale measurements of CH4, d13CH4, and C2H6 in the Uintah Basin using a mobile stable isotope analyzer

Validation of ammonia diffusive and pumped samplers in a controlled atmosphere test facility using traceable Primary Standard Gas Mixtures

Evaluation of the IAGOS-Core GHG package H2O measurements during the DENCHAR airborne inter-comparison campaign in 2011

High-precision atmospheric oxygen measurement comparisons between a newly built CRDS analyzer and existing measurement techniques

High Precision Continuous and Real-Time Measurement of Oxygen Using Cavity Ring-Down Spectroscopy for Photosynthetic Light-Response Studies

Quantification of Ammonia and Greenhouse Gases in Ambient Air of a Livestock House Using a Single Near-Infrared Cavity-Ringdown Spectroscopy Instrument

Stable carbon isotope analysis of airborne particulate matter using a carbon aerosol analyzer and a cavity ringdown spectrometer

High-Precision Continuous and Real-Time Measurements of Atmospheric Oxygen Using CRDS

Measuring Oxygen to Unravel the Forest Carbon Balance

High-accuracy Measurements of N₂O Concentration and Site-specific Nitrogen Isotopes in Small or High Concentration Samples

A Comparison of IRMS and CRDS for the Detection of Economic Adulteration of Lemon Juice and Honey

Fugitive Methane Emission Identification And Source Attribution: Ethane-To-Methane Analysis Using A Portable Cavity Ring-down Spectroscopy Analyzer

A Low Power, High Mobility Cavity Ring-Down Spectroscopy Analyzer for In Situ Measurements of CO₂, CH₄, and H₂O - Mobile Gas Concentration Analyzer - G4301

A Portable, Low-Power Cavity Ring-Down Analyzer and Automated Soil Flux Chamber System for Measuring Wetland GHG Emissions

Methane Soil Flux Estimates Using Mobile and High Precision Cavity Ring-Down Spectroscopy - Mobile Gas Concentration Analyzer - G4301

Effects of Variation in Background Mixing Ratios of N₂, O₂, and Ar on the Measurement of δ¹⁸O–H₂O and δ²H–H₂O Values by Cavity Ring-Down Spectroscopy

Performance of Induction Module Cavity Ring-down Spectroscopy (IM-CRDS) for Measuring δ¹⁸O and δ²H Values of Soil, Stem, and Leaf Waters

PCG Volume 5: Redefining Leak Prioritization with a Modern Toolset

PCG Volume 4: emissions360™ - A Holistic Approach to Emissions Measurement & Reduction 

EuroGas The Molecule Pod: Ep. 6 | Gas distributors and the fight against methane emissions

PCG Expert Talks: Tom Dockery on the Client Delivery and Support

PCG Expert Talks: Tal Centers on the Evolution of the Natural Gas Industry

PCG Expert Talks: Francois Rongere on Navigating PHMSA, PPRM and Beyond

PCG Volume 3: Client Program Management & Scaling

PCG Volume 1: Methane Leak Technology & Methane Measurement