Asbestos, Lead-Based Paint Surveys, Mold and Indoor Air Quality Assessment
Asbestos and Lead-Based Paint Surveys
dse is a Texas Department of State Health Services (TDSHS) Licensed Asbestos Consultant Agency and Lead Firm. We have had extensive experience in Asbestos and Lead-Based Paint Surveys in both the governmental and private sector. These types of inspections are often required as part of property transfers, demolitions and renovations. dse can also write specifications for abatement for private and public projects.
Fort Worth Independent School District (FWISD)
Fort Worth, Texas
dse was selected by the FWISD to provide HAZMAT Consulting Services to support the 2008 Bond Program under RFQ No. 07-120. Currently we are providing asbestos consulting services for renovations of 21 schools in the FWISD. Under Task 1 of this program, dse performed pre-renovation asbestos inspections, prepared asbestos abatement specifications and assisted the Program Manager with AHERA, TAHPRs and NESHAP compliance issues in each of the 21 schools. Task 2 services included air monitoring and project management during the asbestos abatements and clearance air sampling required at 16 of the schools. At the conclusion of the asbestos abatements, dse prepared abatement close-out documents and updates to the school district’s AHERA Asbestos Management Plan. In addition to the asbestos consulting activities, dse provided mold and lead-based paint inspection and consulting services. All of the inspection services included extensive CAD drawing, sample collection, report preparation, and photographic and video documentation.
Fort Sam Houston (Army Corps of Engineers), Old Brooke Army Medical Center and Beach Pavilion
San Antonio, Texas
The former facilities had been unoccupied for six years prior to the assessment. dse provided an assessment of asbestos, lead-based paint, silver (from x-ray equipment), PCBs, mold and other materials contained in the buildings, and developed recommendations and cost estimates for remediation of those materials. Historic preservation issues were also a concern as well as infestation by avian threatened species. dse established recycling and other disposal options for hazardous and/or salvage-valued equipment and building materials, as well as establishing a protocol so that the bulk of the construction/demolition debris could be disposed of without remediation of the lead-based paint, which was found throughout the structures.
Veterans Affairs Medical Center (VAMC)
Big Spring, Texas
dse completed an asbestos survey tri-annual update for the VA Hospital located in Big Spring, TX. This facility was built in the late 1940’s and included approximately 10 main buildings/steam tunnels. The project included review of 7 previous surveys and abatement reports and building AutoCAD™ drawings and collection of approximately 60 confirmation or new area samples. However, the AutoCAD™ drawings had not ever been incorporated into the surveys/abatement reports. dse is incorporating the known asbestos locations in each building, floor and room into color coordinated/cross referenced maps so that building/maintenance personnel can easily ascertain if asbestos is known or suspected in building materials in an area and what type of material is suspect (flooring, wallboard, thermal systems. etc.) prior to maintenance, renovation, and/or repairs. Tables will also be summarized and linked to mapping data. These maps will also assist hospital personnel prepare bid packages for phased future abatement. dse is also providing estimates of costs for abatement and specifications for design of the abatement plan.
Kelly Air Force Base (KAFB)
San Antonio, Texas
dse conducted a limited environmental investigation of asbestos and lead based paint at the base fire suppression tank farm prior to demolition. The investigation included three buildings, containing about 7,500 square feet of area, and the tank farm. dse prepared a report that provided background information, sampling protocols, sample locations, sample descriptions, site drawings, photo logs, laboratory reports, summary tables and conclusions/recommendations.
dse performed a limited asbestos inspection on a 100 year old building for the prospective purchaser of property. Inspection included identifying friable and non-friable asbestos containing building materials to support remediation planning and historic preservation efforts.
Dallas Independent School District (DISD)
In February, March and April 2010, dse performed asbestos and lead-based paint inspections of several schools and athletic facilities in the DISD as part of a capital improvement and renovation project. These schools and athletic facilities had been separately constructed and renovated over a period of approximately 30 or more years. The inspections included review of renovation documents and management plans, interviews of school or facility personnel, selected sample collection, and/or writing reports. Schools inspected by dse included the Skyline and Bryan Adams High Schools; Kiest and Foster Elementary Schools; and Gaston Middle School. Athletic facilities inspected by dse included a natatorium, stadiums, gymnasiums, field houses and other structures including the Sprague Complex; Forester Stadium and Complex; and Seagoville – Henry Stadium.
Castleberry Independent School District (CISD)
Fort Worth, Texas
dse was selected by the CISD to provide Environmental Consulting Services to support the 2010 Bond Program. Currently we are providing asbestos consulting services for renovations to be performed in all of the CISD school buildings. dse performed pre-renovation and pre-demolition asbestos inspections, prepared asbestos abatement specifications and assisted the Program Manager with AHERA, TAHPR and NESHAP compliance issues in the schools. Additional services included air monitoring and project management during the asbestos abatements and clearance air sampling required at the school renovation projects and the building demolition sites. At the conclusion of the asbestos abatements, dse prepared abatement close-out documents and updates to the school district’s AHERA Asbestos Management Plan. In addition to the asbestos consulting activities, dse provided Phase I Environmental Site Assessment services and lead-based paint consulting services. All of the inspection services included extensive CAD drawing, sample collection, report preparation and photographic documentation.
Mold and Indoor Air Quality Assessment
dse is registered with the Texas Department of State Health Services as a mold Assessment Company. We have performed mold surveys, toxic vapor surveys, OSHA worker air sampling and performed real-time air monitoring and hygiene sampling at various locations and for a multitude of clients. These clients include government, private sector manufacturing and municipalities.
City of Rowlett
dse is performing air quality monitoring and sampling services for the City of Rowlett to identify chemical components of possible off-gassing from a neighboring landfill. The long-term study consists of air quality monitoring utilizing both real-time air monitoring with a multi-gas/photo-ionization instrument and eight-hour air sampling using Summa canisters and flow controllers. The samples are collected to identify potential chemicals of concern and to attempt to determine possible odor source chemicals. The team locates "hot-spots" with Global Positioning Units (GPS) and records the data location and concentrations. The results are documented in writing and visually presented utilizing aerial maps and GPS coordinates. The results of the air quality monitoring events are assessed against the Texas Commission on Environmental Quality (TCEQ) Effective Screening Levels (ESLs) to determine potential exposure risk to the surrounding population.
Fort Worth, Texas
dse performed a mold assessment and water intrusion survey for two buildings at the NAS-JRB in Fort Worth, Texas. The assessments included visual assessment, swab sampling, air sampling and water intrusion inspections for two buildings located at the base. The assessments were of the Band Hall and Air Control Tower. One building was found to have elevated concentrations of mold spores in the interior air and visual microbial growth. A remediation protocol was developed and provided to NAVFAC Southeast. The building was remediated and dse performed visual and air clearance sampling and certification upon completion of the remediation activities.
Dallas Housing Authority Headquarters
dse conducted a baseline mold assessment for indoor air quality at the Dallas Housing Authority Headquarters, Dallas, TX. The three story office building suffered a major roofing failure following a large storm and excessive rain events in the fall of 2009. dse performed an inspection at the request of DHA that was prompted by employee complaints. A visual inspection of the property, including collection of 15 air samples and 9 swab samples was performed in the areas with the largest visual staining and warping. No visible biological growth was observed, but there was evidence of water staining on some ceiling tiles and warped wallpaper present. One employee was relocated prior to and while the investigation was being conducted. Results were compiled and provided to DHA counsel and safety departments.
Johnny’s Auto Paint and Body
Air Permit by Rule (PBR) for Spray Paint Booth-dse prepared a Spray Paint Booth PBR application permit for a large volume auto body. Issues included: Variances and negotiation in the City of Dallas and TCEQ requirements to resolve cross-jurisdictional issues and modification to design to satisfy both agencies with opposing requirements. TCEQ legal required a determination if an adjacent motel qualified as a “residence.” Upon review and negotiation, dse and TCEQ agreed that the paint booth met conditions for a Permit-By-Rule.
Big Cheese Rodent Factory
Fort Worth, Texas
dse performed real-time ambient air monitoring inside and outside this high profile facility and measured toxic chemical concentrations to determine release rates and chemical constituents of the potential odor sources. dse performed real-time air monitoring to determine air concentrations of ammonia, hydrogen sulfide and particulate matter in the ambient air, inside and outside the facility. No exceedance of toxic chemicals was observed during the monitoring. Air modeling supported the findings that no air permit was required, and dse worked with the facility and the City of Fort Worth personnel to reduce the “odors” to an acceptable level according to the “FIDO” protocols utilizing air filtration, changing feedstock, and reduction of the number of animals housed in the facility. dse presented the data findings to the Fort Worth City Council, Fort Worth Environmental Personnel and TCEQ.