Methane gas is odorless and colorless, non-toxic and non-carcinogenic. It is an inert gas. Methane gas is lighter than air, approximately 55% the weight of air.




Vapor Intrusion is a buzz word that is gaining velocity throughout the industry. Vapor Intrusion refers to the migration of Soil Gas Vapors emanating from the earth into an occupied space or structure.


A landfill, by definition is simply a site for the disposal of waste materials by burial. Landfills generally fall within one of the following classifications; Class I, II or III, Hazardous or Unknown.


In the early 1900’s dense ‘forests’ of oil derricks covered the Los Angeles and Orange County CA basins from Downtown Los Angeles to West Los Angeles, Signal Hill, Long Beach, Huntington Beach and Yorba Linda–to name a few.


Site closure can be an overwhelming task if the proper resources are not utilized. A solid Site Closure Program Design involves strong knowledge base alongside a good closure strategy, as well as a closure management and a decommissioning plan.






Specializing in the design and inspection of waterproofing systems for below grade structures, decks, planters, stairs as well as Green and White Roofs.