Integrated Environmental Services, Inc. (IES)

Integrated Environmental Services, Inc. (IES)

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Our experience and leadership, excellent client relationships and outstanding reputation are our strengths. All of this and more has placed us as one of the most respected environmental firms in the world.

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Technologies for the on-site remediation of high hazard waste.

Technologies for the on-site remediation of high hazard waste.

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IES is an inventor and innovator of the most advanced equipment used in the environmental remediation community. We hold 30 patents related to remediation, reclamation, and processing of high hazard materials.

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Compressed Gas Cylinders

Compressed Gas Cylinders

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Handling waste compressed gas cylinders poses unique hazards and challenges associated with the chemical composition of each gas, the energy of compression, and the capability of a gas to move and flow freely when not contained.

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Process Safety Management

Process Safety Management

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"In response to the Process Safety Management of Highly Hazardous Chemicals (HHC) standard IES has developed programs designed to prevent or minimize the consequences of catastrophic releases of HHCs.

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WESKEM – Trimethyl Aluminum Summary

WESKEM, LLC. Contracted with IES to perform the disposal of two cylinders containing Trimethyl Aluminum (TMA).  TMA is extremely reactive and ignites on contact with air.  The resulting ignition can be quite energetic.  In many cases, the safest disposal mechanism is to allow the material to burn.  Given the sensitivity to open burning of hazardous chemicals, IES devised a neutralization process which would allow the TMA to be deactivated without an open flame.

The neutralization procedure was developed by in-house personnel after reviewing a procedure developed by Akzo Nobel Polymer Chemicals, LLC and consulting with a chemist from that company.  Fundamental to the project was the use of a govebox to minimize the exposure of the target material to air.   Prior to mobilization, a list was prepared of all items needed inside the glovebox, all glassware was labeled as to intended use, and chemicals were decanted into pre-measured quantities per the neutralization formula.  The high degree of preparation greatly aided project efficiency and significantly decreased the potential for processing mistakes.

Upon arrival, IES attended a readiness review and then setup the equipment.  After notice to proceed, IES personnel, dressed in flame retardant PPE, and on supplied air, placed the first cylinder inside the inerted glovebox for processing.  The cylinder presented two valves one for vapor and the other for liquid extraction.  The liquid phase valve was opened and a small amount of content transferred into a SureSeal bottle where it was diluted in a hydrocarbon solution.  This served to reduce the pyrophoric nature of the TMA.  Next, the TMA/hydrocarbon solution was transferred to a beaker containing ice and hydrochloric acid in pre-measured quantities.  The material was slowly stirred and allowed to come to ambient temperature.  Finally, a small quantity of potassium hydroxide solution is added to the target material in order to bring the pH to a neutral condition. 

The liquid phase valve on the second cylinder proved to be inoperable.  IES stopped operations due to this changed condition and reported to the project manager.  A differing approach was arranged involving the use of the vapor phase valve.  This approach was approved and the cylinder content neutralized without difficulty.  All neutralization by-products along with the glassware were placed in a drum and solidified for disposal.