US Patent # 8,220,347 B2, US 9,291,531 B2 | Call Us Today! 1-614-504-6915


Here we grow again! ... See MoreSee Less

Happy Holidays! We share our warmest wishes for a New Year filled with joy, peace and prosperity. We appreciate your business and look forward to helping you in 2019! ... See MoreSee Less
10h00 – 12h00 SESSION 1: Solutions – Craig Cox (Cox-Colvin & Associates, Inc.) – will be presenting – Evaluation and Remediation of a Large Comingled Dilute Chlorinated VOC Plume in Sand and Gravel Aquifer – a Case Study
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October 15-18, 2018: 34th Annual International Conference on Soils, Sediment in Amherst, Massachusetts at Booth B16. October 18, 2018 - Session 19: 9:30 a.m - Craig A. Cox will present Successful Closure of a DNAPL Site – Lessons Learned ... See MoreSee Less

#stopradon AARST international Radon and Trade Show 2018 ... See MoreSee Less

Available now - Mini Vapor Pin. Please make sure to read the SOP or the Mini Vapor Pin as it is a different installation that the original version. The Mini Vapor Pin comes as a set. SET INCLUDES: Mini Vapor Pin®, FLX-VPTM Barb with O-ring, Silicone Sleeve, and Mini Vapor Pin® Secure Cover with O-ring.
Order yours today!
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Did you know that the Vapor Pin is a tool for..
1 - Locating VOC sources below hard surfaces
2 - Collecting high-resolution data sets
3 - Differential Pressure Testing
4 - Radon Mitigation Testing
5 - Stray Gas Evaluations
6 - Sub-Slab Soil Gas Sampling
7 - Long Term Monitoring
8 - Continuous Monitoring
9 - Vapor Intrusion Assessments
10 - Methane Sampling on Landfills
etc, etc., etc.,
Contact us for more information
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METHODS AND TECHNIQUES IN THE INVESTIGATION AND REMEDIATION OF CONTAMINATED AREAS. 3rd workshop successful. Thank you to all those who attended. #sitecharacterization #vaporpin #vaporpindobrasil ... See MoreSee Less

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Vapor Pin Newsletter

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February 2019

**NEW** Vapor Pin® Insert  The Vapor Pin® Insert is used to facilitate the collection of soil gas samples and pressure measurements beneath engineered vapor intrusion barriers (e.g., Geo-Seal®), or vapor mitigation coatings (e.g., Retro-Coat™)

Acceptance of the Vapor Pin noted on Page 97 in the Updated PA VI Guidance Document

VI Fundamentals – PCE, TCE, DCE, and Vinyl Chloride

Upcoming Events

Radon News – What to Know about Radon Poisoning

Condo Radon: Found Above the Ground Floor 

OARP Spring 2019 CE Class – April 4, 2019


August 2018

EPA’s Vapor Intrusion Database:

Upcoming Events

Radon News -Radon mitigation now mandatory in new builds

Save the date –  AARST International Radon Symposium and Trade Show


July 2018

Vapor Intrusion Fundamentals -Subslab Soil-Gas Sampling

Conferences, Presentations

Radon News – State Radon Resistant New Construction Laws (2017


May 2018

EPA Revises Johnson & Ettinger Model for Vapor Intrusion

Conferences, Presentations

Radon News – Radon in Schools


April 2018

EPA Updates Vapor Intrusion Screening Level Calculator 

Conferences, Presentations

Radon News Engineering Extension announces new Radon Chamber Services for Radon Industry


March 2018

Vapor Intrusion- The Four Horsemen: Benzene, Chloroform, Naphthalene, &  Trichloroehene

Conferences, Webinars

Radon News – Radon in Drinking Water