Insights Blog
DON’T FREighT, PLAN AHEAD
To ensure temperature requirements aren’t violated it’s recommended that temperature-sensitive samples should be shipped to arrive at its destination by the next day after sampling. But, what happens when next day isn’t next day? Here are a few tips to help strategize!
EPA Method TO-15 Sampling and Analysis: Fitting Your Needs
When it comes to the sampling and analysis of VOCs in the air and contaminated soils/water table, EPA Compendium Method TO-15 is the most used analytical method in the United States.
Tedlar® Bags: What Are They Good For?
Find out how Enthalpy can assist you in the navigation of different field and testing requirements for your PFAS remediation/assessment project.
7 Pieces of Information to Know Before Your PFAS Project
Find out how Enthalpy can assist you in the navigation of different field and testing requirements for your PFAS remediation/assessment project.
Three Tools to Help Determine if Your Home May Be Making You Sick
Is it possible that your home is making you sick? The reality is, absolutely.
PFAS Testing: Preventing and Mitigating Cross Contamination in the Lab
Per-and Poly-fluoroalky substances (PFAS) are a class of contaminants that are steadily increasing in both number of identified and testable compounds, as well as complexity of testing.
How to Complete a COC
Here are a few tips that are often overlooked when completing a COC to help ensure a successful sample exchange with your lab.
Monitoring PFAS Impact Using Adsorbable Organic Fluorine by Combustion Ion Chromatography
Since the USEPA’s October 2021 announcement of their PFAS Strategic Roadmap, there has been an almost constant stream of news, information and developments on PFAS, including the methods used to identify, measure and quantify these compounds.
The California Department of Cannabis Control Issues Proposed Cannabis Regulations “Consolidated Medicinal and Adult-Use Cannabis Regulations”
Enthalpy submitted the following public comments and suggestions to the DCC that highlight the need to reevaluate current cannabis testing regulations, valuable compliance lessons from other legal states, and a push to move cannabis science forward by broadening its research grant requirements.
Indoor Air Sample Collection: Guide to Sampling for VOC/Mold and Formaldehyde Testing
Sampling with Enthalpy’s sampling pumps and thermal desorption tubes is a simple way to determine if VOCs are an issue in your client’s home/work environment.
Volatile Organic Compounds (VOCs) and EPA Method 5035
Sampling for volatile organic compounds (VOCs) has always been a delicate and precarious process, regardless of the matrix in question.
FDA Publishes Draft Guidance for Industry on “Validation and Verification of Analytical Testing Methods used for Tobacco Products”
FDA issues a draft guidance to help industry produce more consistent and reliable analytical data used to support regulatory submissions for finished tobacco products.
US EPA Announces OTM-46, an Alternative for EPA Method 23 – What Does this Mean for You?
On February 1, 2022 the US Environmental Protection Agency (USEPA) announced new sampling and analytical methods for stationary sources - Other Test Method 46 (OTM-46) a measurement of Polychlorinated Dibenzo-p-Dioxins/Polychlorinated Dibenzofurans (Dioxins/Furans), Polychlorinated Biphenyls (PCB), and Polycyclic Aromatic Hydrocarbons (PAH).
Simple Tips to Help Conserve and Protect our Drinking Water
As environmental threats continue to rise and new concerns are brought to light, drinking water conservation and protection is one at the very top of the list, but yet probably the most difficult to achieve.
Chemistry Deep Dive: Soxhlet Extraction for Semivolatile Analysis
Ever wonder whether the automated Soxhlet extraction would work for your projects?
Simplify and Streamline Fenceline Reporting
Companion EPA Methods 325A (sampler deployment and collection) and 325B (sampler preparation and laboratory analysis) are the work practice standards for determining airborne Benzene and select Volatile Organic Compounds (VOCs) using passive (diffusive) sampling tubes collected at facility property boundaries (fenceline monitoring) as well as from fugitive and area emission sources.
Tips for Successful Air Sampling in the Field
Air sampling can be more involved and more difficult at times than sampling for water and solids.
Air Sampling Equipment Guide
One of the most common ways to collect air samples is using passive summa canisters. Learn more about them here.
What is Synthetic Nicotine and is it Regulated?
Nicotine is a chiral compound, meaning that there are two enantiomers or different forms of nicotine:(S)-Nicotine and (R)-Nicotine.
EPA Releases Draft Laboratory Method 1633 to Test for PFAS
On September 2, 2021, the EPA's Office of Water, in partnership with the DoD's Strategic Environmental Research and Development Program, published draft Method 1633.
Successful Air Sampling: Three Simple Tips From a Former Stack Tester
For the first time ever, the EPA will be adding a compound to the Hazardous Air Pollution (HAP) list.
EPA to Add New Substance to the Hazardous Air Pollutants List
For the first time ever, the EPA will be adding a compound to the Hazardous Air Pollution (HAP) list.
Green Building: Navigating Indoor Environmental Quality/Indoor Air Quality Credits
When thinking about Green Building certification, it’s important to factor in the indoor environment and air quality. Indoor Environmental Quality (IEQ)/Indoor Air Quality (IAQ) are the conditions inside a building—air quality, lighting, thermal conditions, ergonomics—and their effects on occupants.
A Closer Look at Four Green Building Certification Programs
Understanding what “Green Buildings” are and identifying the organizations that offer certification is just the start to a green building journey.
What is Green Building?
Despite the disruptions caused by the pandemic, the Green Building and Products industry has not shown any signs of decline.
Environmental Site Assessments 101
An Environmental Site Assessment (ESA) evaluates property conditions concerning contamination and environmentally hazardous materials.
Oh! That’s Obvious! Often Overlooked Places for VOCs and Molds
Many people often overlook the obvious when attempting to locate Volatile Organic Compounds (VOCs) in their homes. They may expect finding VOC and mold sources to be a daunting task, but this is not the case.
Impacts of General WDR Updates to Region 2 Landfills in San Francisco
The potential aggregate effect to aquatic lifeforms from all pollutants confined within a facility’s wastewater is tested by means of Whole Effluent Toxicity; it is part of the implementation of the Clean Water Act to monitor the discharge for toxic contaminants.
Regulation Changes: Bacteria, Organic Carbon and Testing, Oh My!
The potential aggregate effect to aquatic lifeforms from all pollutants confined within a facility’s wastewater is tested by means of Whole Effluent Toxicity; it is part of the implementation of the Clean Water Act to monitor the discharge for toxic contaminants.
TCLP, STLC, TTLC… What Does It All Mean?
If you manage hazardous waste in California, you may have heard the terms “TTLC, STLC, and TCLP”, but what do these mean and when do you need to use them?
Monitoring Wastewater Under, 40 CFR Part 63, Subpart FFFF, for Miscellaneous Organic Chemical Manufacturing NESHAP (MON)
40 CFR Part 64 Subpart FFFF establishes National Emission Standards for Hazardous Air Pollutants (NESHAP) for Miscellaneous Organic Chemical Manufacturing (MON). This subpart establishes requirements to demonstrate initial and continuous compliance with the emission limits, operating limits, and work practice standards.
Designing a Successful PFAS Sampling Plan
Per- and polyfluoroalkyl substances (PFAS) are considered emerging contaminants by the Environmental Protection Agency (EPA) and are of great public health and environmental concern.
New England Dredge Programs: Key Tips to Understanding Your CENAE Permit
Dredge work that potentially impacts federally regulated waters requires a permit from the Army Corps of Engineers. The New England District of the Corps (CENAE) is responsible for permitting work conducted in Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island and Vermont.
Performance-based Air Test Methods – A Love Story
A winter chill has floated into Research Triangle, NC and will likely transitioned to a cold shiver as we move through the winter months. Meanwhile, our stack-tester friends are still going strong out in the field knocking out one test after another.
The State of California Approves Toxicity Provisions and the Test of Significant Toxicity (TST)
On December 1, 2020, the State Water Resources Control (State Board) approved the California Statewide Toxicity Provisions.
Working from Home: Tips for a Healthy Work Environment
WFH – work from home, WFA – work from anywhere, remote office, mobile work, remote job, future of work, flexible workplace, telework, teleworking….and the list goes on. Whatever you or your company call this new reality, it seems as though “workplaces” will be changed indefinitely.
The State of California Inches Closer to Approving Toxicity Provisions and the Test of Significant Toxicity (TST)
After many years of drafts, comments, discussion, debate, consideration, and negotiation, the California Statewide Toxicity Provisions are expected to be considered for approval by the State Water Resources Control (State Board) in December 1, 2020.
Whole Effluent Toxicity Testing 101
Whole Effluent Toxicity (WET) testing is a critical component of monitoring the health of aquatic ecosystems and it is included in many National Pollutant Discharge Elimination System (NPDES) permits. If your NPDES permit includes WET testing, it is important to understand why it exists and how to best implement it in order to save time, money, and other resources.
Ensure Effective Legionella Analysis and Sampling with These Recommended Tips
As we move towards reopening from this pandemic, Legionella testing has been ramping up to ensure the safety of our front-line defenders battling COVID-19, educators, and future generations from the stagnant water left within buildings during the shelter-in-place.
Blazing New Trails in Environmental Lab Testing
Welcome to the Enthalpy Analytical blog!! We’re excited about this launch and look forward to sharing our journey each step of the way as we blaze new trails and explore new ideas in environmental laboratory testing services.
