Document Vj77QkrbRrL7rKYOGmgy1Qd94
McClelland Management Services
Asbestos &. Environmental Consultants
I EXHIBIT PC--P--146
Mr. John N. Dermit Head of Industrial Hygiene Union Carbide Corporation - Poly Olefins Unit Seadrift, Texas
04-09-91
Dear Jack,
The following is a summary of the asbestos cleanup at your facility. Included herein will be an analysis of what was accomplished during the asbestos cleanup between the dates of March 17, 1991 and April 09, 1991. This analysis will consist of (1) a description of operations, (2) protocols and procedures for clearance of areas of assumed contamination, (3) air and bulk sample results.
If there are any questions or if I whatsoever, please feel free to contact
Best regards,
" pjf
Thomas 6. Collins Field Technician McClelland Management Services
6100 Hillcrort, Suite 220 Houston, Texas 77081 Tel 713 995-9000 Fax 713 995-5801
005902
Dallas/Fort Worth Albuquerque Los Aneies St. Louts 1 Paso Phoenix San Francisco
MMS
INTRODUCTION
Operations for the cleanup of scattered and/or damaged asbestos
containing materials (ACM) commenced on approximately the 13th of March,
1991. McClelland Management Services arrived on the 15th of March for
the purposes of doing on-site analysis of bulk and air samples and to
act in an advisory capacity to Union Carbide Corporation whenever a
question arose as to standard industry practices involving the cleanup
or abatement of asbestos. Union Carbide made all final decisions! as
such, Union Carbide accepted all liability, either express or implied,
that may result from the subsequent asbestos related cleanup.
Upon arrival at the facility Sunday, March 17, 1991, HMS attended a
meeting of Union Carbide department heads. At this meeting, it became
apparent that the extent of asbestos contamination had not been
assessed. To that end, it was determined that a systematic approach
would be required for both the delineation of contaminated areas as well
as their subsequent cleanup.
Mr. Jack N. Dermit, Head of Industrial Hygeine, and MMS then toured
the facility for the purpose of evaluating the immediate extent of
asbestos damage and dispersal. It was determined at this point that any
suspect areas would be barricaded with asbestos barricade tape. The
primary criterion for determining where the tape would be run was
whether or not the area contained damaged thermal system insulation.
The barriers were then established and asbestos cleanup became the main
priority (See Plate One). It should be noted here that time was a
critical factor - many areas demanded immediate attention so that
potentially dangerous non-asbestos hazards could be dealt with.
As
such, this precluded a survey of each individual facility. However, as
the operation progressed, other areas were added when contamination was
discovered. The primary entity in these cases was generally damaged
transite siding.
When these areas were encountered, they were
barricaded and cleaned up on a priority basis.
OPERATIONS
Four abatement contractors were employed by Union Carbide for the operation: Brown & Root, Thermotech, Service Abatement, and Kimmins. Since all areas were prioritized, contractors were deployed accordingly. The first priority was to open the roads to allow the- access of machinery. Low pressure water (30-40psi) was used to both wet and move the material. Debris was collected in asbestos disposal bags, loaded onto trucks, and disposed of in Carbide's on-site sanitary landfill for asbestos. Clearance procedures (see next section) ensued and all roads were essentially open by March 20, 1991. This procedure was followed for all subsequent outdoor areas.
The four blocks that were most affected by the asbestos cleanup were Oxide 1 (block 8), Utilities (block 9), GEU (block 11), and LP1 (block 12). All of these areas had critical operations that required immediated attention. As such, asbestos cleanup, on any given day, was occurring at several locations. To illustrate this point, refer to the
005903
plates which follow the report. It is easily seen that a steady withdrawal of the asbestos barricade boundary is occuring daily. For a day by day analysis, refer to the HUS Field Reports.
CLEARANCE PROCEDURES
Bulk samples were taken at random of suspect material in areas that
were assumed to be contaminated behind the asbestos barricade tape. If
any of the samples were returned as positive, the area was cleaned
and/or washed down. When a visual was requested, the area would be
resurveyed for any remaining suspect material. If the clearance bulk
samples were negative, the area was released and the barricades would be
withdrawn to exclude the newly cleaned area. If any samples were
positive, the area was recleaned and the clearance procedures would be
conducted again. These procedures repeated until the area's samples
were all negative or until no suspect material could be found. This
procedure was utilized for all outdoor areas.
Where feasible,
clearances were conducted using Phase Contrast Microscopy (PCfl).
SAMPLE RESULTS All sample analysis sheets are in the following pages.
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McClelland Management Services
Asbestos & Environmental Consultants 6100 Hillcroft, Suite 220, Houston, Texas 77081
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FIELD REPORT
Job No.: 14553.91___________
Project Name:___ Union Carbide
Shift Start Date: 04- -91
Location: Seadrift. Texas
Contractor: Brown & Root, Klmmins, Thermotech, & Service Abatement
DESCRIPTION
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005938 Contractor Supervisor (Print Name)
Signature/Date
McClelland Management Services
Asbestos & Environmental Consultants 6100 Hillcroft, Suite 220, Houston, Texas 77081
MMS
FIELD REPORT
Job No.: 14553.91___________
Project Name:___ Union Carbide
Shift Start Date: 04- f -91
Location: Seadrift, Texas
Contractor: Brown & Root, Kinanins, Thermotech, & Service Abatement
DESCRIPTION
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