Category Archives: Environmental Management

Hazardous Waste Determination

hazardous waste determination

 Our client, an EPA Large Quantity Generator, asked TIS in January 2020 to evaluate the waste streams at their manufacturing facility in Sedalia, Missouri. A hazardous waste determination must be kept on site, as required by 40 CFR 262.11 (f), for at least three years from the date of the last shipment of hazardous waste. […]

Laredo, TX Groundwater Remediation

TIS Custom Tank for Manual LNAPL Recovery

Description: In early 2017, TIS was contacted to provide assistance on an ongoing environmental remediation site in Laredo, TX. The site is an active rail-yard with multiple Light Non- Aqueous Phase Liquid (LNAPL) groundwater plumes and soil contamination. As this is a complex groundwater remediation project, TIS currently performs the following roles: groundwater/LNAPL level measurements, groundwater […]

Railroad Soil Sampling

TIS Railroad Soil Sampling Project

Two TIS employees mobilized to Meridian, Mississippi on November 6, 2017 to conduct Direct-To-Locomotive (DTL) soil sampling near the Mississippi cities of Louisville, Union, and Meridian. The soil sampling at each location was performed along the railroad track where DTL fueling takes place. This soil sampling project helps to ensure that the contracted fuel vendors […]

Shreveport Water Treatment Plant Constructions

TIS workers near water treatment plant during construction

Description: A Class I Railroad contracted TIS to design and install a new Waste Water Treatment Plant (WWTP), in Shreveport, LA, for their locomotive repair facility. TIS was asked to disassemble the previous WWTP and then design and install the new treatment plant to fit within the existing footprint. The improved design needed to accommodate […]

Decommissioning and Decontamination

Chemical Tank Decontamination and Removal

Description:   One of our clients decided to remove chemical process systems no longer being utilized at their toner and developer manufacturing facility located near Boulder, Colorado. TIS was contracted to decontaminate and demolish all chemical piping, process vessels, and chemical storage tanks no longer needed. The piping and vessels contained ethylenediamine, butyl amine, toluene, and […]