Vapor Intrusion

Alpha Analytical has the experience and know-how to partner with you to successfully complete your Vapor Intrusion investigation. Our team of air testing experts possess the information and knowledge you need to ensure your sampling efforts produce the highest quality data results possible. With the increase in public awareness and regulatory attention on exposure to sub-surface vapors, data quality is of critical importance as it may be subject to critical review and litigation.

Alpha Analytical's combined wealth of experience in the United States and abroad is unsurpassed in providing superior Air Testing to support the decision making process for Vapor Intrusion pathway determinations. Alpha Analytical supports Vapor Intrusion and Petroleum Vapor Intrusion projects daily, actively participating in research including the first of its kind MassDEP Indoor Air Testing background study, engages in the development of rules and guidance and is currently serving as a member of the ITRC Petroleum Vapor Intrusion Workgroup.

Superior, intelligent data management systems coupled with the most sophisticated sampling media available in the industry today, makes Alpha Analytical the smartest choice to efficiently execute and manage your data with confidence.

Whether in the investigative phase, collecting soil gas or sub-slab samples, or performing confirmatory sampling that need definitive ambient and indoor air data, Alpha Analytical has the products and services to support your challenging Vapor Intrusion investigations.


Air & Vapor Testing to Support Vapor Intrusion Investigations



Volatile Organic Compounds (VOCs) [TO-15 or TO-14 analyte list]

NJDEP TO-15 List & NJDEP Deliverables

EPA TO-15 SIM Volatile Organic Compounds (VOCs) via SIM
EPA TO-17 Volatile Organic Compounds (VOCs)
MassDEP APH Air Phase Petroleum Hydrocarbons

Parafins, Isoparafins, Aromatics, Naphthalenes, Olefins - Extended Forensic Hydrocarbon List

EPA 3C Fixed Gases
EPA 3C (Modified) Methane, Ethane & Ethene
EPA TO-10A Polychlorinated Biphenyls (PCBs) - Aroclors
EPA TO-10A (Modified) Polychlorinated Biphenyls (PCBs) - Homologs & Congeners via EPA 8270D(M)
EPA TO-13 (Modified) Polynuclear Aromatic Hydrocarbons (PAHs) - Extended Compound List
NIOSH 6009 (Modified) Mercury in Air



Contact Alpha Analytical today for all your Vapor Intrusion and Air Testing needs.

Call 800-624-9220 or email us at This email address is being protected from spambots. You need JavaScript enabled to view it..



Alpha Analytical is NELAC/TNI accredited for Air Analysis and is also certified in a number of States with Air quality programs. We are also certified by the NJDEP to perform both TO-15 and the NJDEP's TO-15 Low Level methods.


Vapor Intrusion Equipment and Services

Customer Service and Technical Expertise for an Emerging Market

Our team of experts regularly participates in the development of rules and guidance as well as industry research.

Alpha’s Air Testing experts are available to assist you with your analytical needs, method selection, development of Quality Assurance Project Plans and assistance with sampling protocols.

Highest Quality Equipment and Sampling Media

  • Over 1,200 Fused Silica-lined canisters (6.0, 2.7 and 1.0 Liter canisters), temporal and soil gas sampling
  • Digital Pressure Gauges, take the guess work out of recording pressures pre- & post-sampling
  • State-of-the-art GC/MS systems running simultaneous full scan and SIM acquisition modes
  • PUF cartridges
  • Sorbent tubes
  • PM-10 and TSP filters


  • 5-7 day standard - results on time and with confidence

ADEx™ & Data Merger

  • ADExTM is Alpha Analytical's online data management and reporting system
  • Provides instant access to your data once released from QA review
  • Fast, easy, secure access to your data when you need it
  • Data Merger allows you to build custom tables from multiple sampling events and review data over time - eliminates the struggles and hassles of dealing with data - let Data Merger do the work for you
  • Review your data against State or EPA health standards or screening criteria - up to 5 different criteria can be selected
  • Get a quick, real-time review of your data at your convenience

Courier Service - Driven to Deliver

Alpha supports Vapor Intrusion projects Nationwide. We provide both delivery and pick up for our media in our service areas with few exceptions. Large or small, our new Eco-line fleet of vehicles is here to serve you. Outside of our service area, we work with you to develop a strategy to meet your project data needs and ensure that media is there when you need it.

Largest Air Laboratory in the Northeast

With over 50,000 square feet of laboratory facilities in Westborough and Mansfield, Massachusetts and service centers extending throughout the Northeast - specifically in Portsmouth, NH; Mahwah, NJ; Piscataway, NJ; Albany and Buffalo, NY and our new service center in Holmes, PA - Alpha Analytical is building a seamless network of support centers to serve you and all your vapor intrusion testing needs.


Contact Us

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