◆ Free Tool WorkChain™ Exposure tracker.
Equipment Systems & Historical Material Reference — Source-Cited

Dow Chemical Company Channahon Illinois chemical manufacturing

Chemical plant·IL
← Jobsite Page
Source level: 1A Public equipment registry 1B Public agency record 3 Trust payment matrix 4 Industry-system association

This crosswalk identifies the major equipment systems and building material categories historically associated with facilities of this type and era. Systems are classified by evidence level. Level 4 entries are industry-system associations — standard equipment and material configurations for facilities of this type — and are labeled accordingly. No Level 4 entry constitutes a finding that any specific product was present at this facility.

Product citations: Trust citations identify the qualifying product for trust claim purposes. A trust citation does not establish that the product was present at this specific facility — it identifies the qualifying product and the applicable trust fund.

Legal note: A crosswalk entry does not establish that any individual worker encountered any specific product. Individual exposure depends on work dates, job classification, duties, proximity to disturbance activities, and other worker-specific facts.

Process Piping and Steam Distribution
Carey Super-Light Pipe Covering — preformed asbestos pipe section original label. O'Brien Law Firm PID reference library.
Process Piping and Steam Distribution
Original construction and all turnaround and maintenance cycles
4 Industry-system association — standard refinery pipe insulation specification
Extensive process piping carrying crude oil, refined products, steam, and process fluids at elevated temperatures and pressures. Steam distribution systems serving reboilers, heat exchangers, fractionation towers, and utility steam. Insulation work during turnarounds was among the highest-exposure activities at refineries and chemical plants.
Why asbestos was specified: Refinery process piping operated across a temperature range from ambient to over 1,000°F at fired heater radiant coils. Asbestos calcium silicate pipe covering was the standard specification for all temperature ranges through the early 1970s. Compressed sheet gaskets and spiral-wound gaskets in asbestos compositions were specified for virtually all flanged connections.
Material categories historically associated with this system type & era
  • Preformed pipe covering — all high-temperature process and steam lines
  • Block insulation — vessel, exchanger, and equipment insulation
  • Insulating cement — irregular surfaces and fitting covers
  • Compressed sheet gaskets — all flanged process connections
  • Spiral-wound gaskets — high-pressure steam and process flanges
  • Braided pump and valve packing — all service categories
Representative products historically specified for this equipment type
Kaylo Calcium Silicate Pipe and Block Insulation
3
✓ Owens Corning Fibreboard Asbestos PI TrustPipe covering / block insulation
Preformed asbestos pipe insulation and block — period catalog. O'Brien Law Firm PID reference library.

Preformed asbestos pipe insulation and block — period catalog. O'Brien Law Firm PID reference library.

Source / Citation
Owens Corning Fibreboard Asbestos PI Trust TDP — Kaylo calcium silicate insulation qualifying product for pipe insulation and equipment insulation exposure categories.
View source
Active Trust Fund
In re Owens Corning, No. 00-3837 (Bankr. D. Del. filed October 5, 2000)
Plan effective October 31, 2006
Trust website
Kaylo asbestos content eliminated circa 1972.
Unibestos Pipe and Block Insulation
3
✓ Pittsburgh Corning 524(g) Asbestos PI TrustPipe covering / block insulation — high-temperature
Preformed asbestos pipe insulation and block — period catalog. O'Brien Law Firm PID reference library.

Preformed asbestos pipe insulation and block — period catalog. O'Brien Law Firm PID reference library.

Source / Citation
Pittsburgh Corning 524(g) Trust TDP — Unibestos amosite pipe and block insulation Scheduled Value Product for pipe-insulation and block-insulation exposure categories.
View source
Active Trust Fund
In re Pittsburgh Corning Corp., No. 00-22876 (Bankr. W.D. Pa. filed April 16, 2000)
Plan confirmed by Third Circuit 2013
Trust website
Unibestos amosite content made it the specification of choice for temperatures above 300°F through the early 1970s.
Boilers, Furnaces, and Fired Heaters
Industrial boilers — process steam catalog. O'Brien Law Firm PID reference library.
Boilers, Furnaces, and Fired Heaters
Steam generation and process heat, all construction and operating eras
4 Industry-system association — standard refinery fired equipment specification
Steam boilers, fired process heaters, crude distillation furnaces, reformer furnaces, and hydrogen plant heaters. All fired equipment required extensive refractory and thermal insulation systems. Insulation workers, boilermakers, and firewatch personnel had repeated contact with asbestos-containing materials during turnaround and maintenance work.
Why asbestos was specified: Process heater and boiler operating temperatures at refineries required refractory and backup insulation rated for sustained operation at 1,200°F to over 1,800°F. Asbestos block and insulating cement were specified for all non-refractory insulation surfaces. Asbestos rope seals were standard components on firebox access doors and inspection ports.
Material categories historically associated with this system type & era
  • Asbestos block insulation — backup insulation on furnace shells
  • Insulating cement — furnace door seals and irregular surfaces
  • Refractory brick — primary furnace lining
  • Castable refractory — trough linings and irregularly shaped surfaces
  • Asbestos rope — door seals and expansion joint packing
Representative products historically specified for this equipment type
Insulag and Panelag Insulating Cements
1C
✓ Pfizer / Quigley Asbestos Settlement TrustHigh-temperature insulating cement
Quigley Company product list — asbestos percentages by product and production date. O'Brien Law Firm PID reference library.

Quigley Company product list — asbestos percentages by product and production date. O'Brien Law Firm PID reference library.

Source / Citation
Pfizer / Quigley Trust TDP — Insulag and Panelag identified as qualifying products. Quigley product documentation confirms INSULAG 9.7% asbestos content (mid-1940s–3/31/74). Source: O'Brien Law Firm PID reference library.
View source
Active Trust Fund
In re Quigley Co., Inc., No. 04-15739 (Bankr. S.D.N.Y. filed September 3, 2004)
Plan confirmed; Pfizer funded trust as Quigley's parent company
Trust website
Quigley insulating cements were standard specification for fired heater and furnace fitting applications through 3/31/74.
Kaylo Calcium Silicate Block Insulation
3
✓ Owens Corning Fibreboard Asbestos PI TrustBlock insulation — high-temperature
Preformed asbestos pipe insulation and block — period catalog. O'Brien Law Firm PID reference library.

Preformed asbestos pipe insulation and block — period catalog. O'Brien Law Firm PID reference library.

Source / Citation
Owens Corning Fibreboard Asbestos PI Trust TDP — Kaylo calcium silicate qualifying product for block insulation exposure categories.
View source
Active Trust Fund
In re Owens Corning, No. 00-3837 (Bankr. D. Del. filed October 5, 2000)
Plan effective October 31, 2006
Trust website
Kaylo block insulation was specified as backup insulation behind refractory brick on fired heater shells.
Pumps, Valves, and Flanges
Industrial valves catalog — O'Brien Law Firm PID reference library.
Pumps, Valves, and Flanges
All process unit operations, original installation through 1980s
4 Industry-system association — standard refinery pump and valve specification
Process pumps, control valves, gate valves, check valves, and flange gaskets throughout refinery process units, heat exchanger trains, and steam systems. Maintenance of pumps, valves, and flanges was one of the most common sources of asbestos exposure for pipefitters, millwrights, and instrument technicians.
Why asbestos was specified: Process and utility service conditions at refineries required asbestos-containing gaskets and packing for chemical resistance combined with temperature tolerance. Crane Co., Garlock, and John Crane supplied the dominant gasket and packing lines for refinery applications from the 1940s through the 1980s.
Material categories historically associated with this system type & era
  • Compressed sheet gaskets — process flange faces and valve bodies
  • Spiral-wound gaskets — high-pressure process flanges
  • Braided valve packing — process control and isolation valves
  • Braided pump packing — centrifugal pump glands
  • Mechanical seals — pump and compressor sealing
Representative products historically specified for this equipment type
Crane Asbestos-Reinforced Gasket Materials
4
⚖ No bankruptcy trust — Crane Co. is an active civil litigation defendantIndustrial valve and gasket systems
1944 Crane Co. trade ad — 'When all the piping is from CRANE.' O'Brien Law Firm PID reference library.

1944 Crane Co. trade ad — 'When all the piping is from CRANE.' O'Brien Law Firm PID reference library.

Source / Citation
Crane Co. asbestos-containing valve packing, gasket material, and valve body components are documented in industrial maintenance records, product specifications, and asbestos litigation records across refinery and industrial applications from the 1940s through the 1980s.
No Trust — Civil Litigation
Crane Co. has not filed for bankruptcy. Claims are pursued through civil litigation. Crane Co. is among the most frequently named defendants in industrial asbestos litigation.
No trust fund — Crane Co. is an active civil litigation defendant.
Garlock Style 900 Compressed Sheet Gasket
3
✓ Garrison Asbestos Settlement TrustCompressed sheet gasket material
Industrial gaskets and packing — compressed sheet and braided asbestos catalog. O'Brien Law Firm PID reference library.

Industrial gaskets and packing — compressed sheet and braided asbestos catalog. O'Brien Law Firm PID reference library.

Source / Citation
Garrison Asbestos Settlement Trust TDP — Garlock compressed sheet gasket material qualifying product for steam flange and valve-gasket exposure categories.
View source
Active Trust Fund
In re Garlock Sealing Technologies LLC, No. 10-31607 (Bankr. W.D.N.C. filed June 5, 2010)
Plan confirmed 2016
Trust website
Garlock Style 900 was standard-issued sheet gasket for refinery flange connections.
John Crane Type 1 Braided Pump Packing
4
⚖ No bankruptcy trust — John Crane is an active civil litigation defendantBraided pump and valve packing
Gaskets and packing catalog. O'Brien Law Firm PID reference library.

Gaskets and packing catalog. O'Brien Law Firm PID reference library.

Source / Citation
John Crane braided asbestos packing is documented as standard specification for pump and valve packing across refinery applications in maintenance records and product specifications.
No Trust — Civil Litigation
John Crane Inc. has not filed for bankruptcy. Claims are pursued through civil litigation.
No trust fund — John Crane is an active civil litigation defendant.
Structural Fireproofing and Building Materials
Floor tiles catalog — vinyl asbestos tile, industrial era. O'Brien Law Firm PID reference library.
Structural Fireproofing and Building Materials
Original construction, late 1950s through early 1970s
4 Industry-system association — standard industrial construction materials
Spray-applied fireproofing on structural steel, floor tile in control rooms and administrative buildings, and acoustic ceiling tile in office and control areas.
Why asbestos was specified: Spray-applied asbestos fireproofing for structural steel was standard specification for large industrial and refinery construction through 1973.
Material categories historically associated with this system type & era
  • Spray-applied asbestos fireproofing — structural steel
  • Vinyl asbestos floor tile — control rooms and administrative buildings
  • Acoustic ceiling tile — control room and office ceiling systems
  • Joint compound — construction and renovation periods
Representative products historically specified for this equipment type
Monokote Spray-Applied Fireproofing (MK-3)
3
✓ WRG Asbestos PI TrustSpray-applied fireproofing
Limpet spray-applied asbestos fireproofing — installation photographs. O'Brien Law Firm PID reference library.

Limpet spray-applied asbestos fireproofing — installation photographs. O'Brien Law Firm PID reference library.

Source / Citation
WRG Asbestos PI Trust TDP — W.R. Grace Monokote MK-3 identified as qualifying product for construction-trade exposure categories. Asbestos content eliminated in 1973.
View source
Active Trust Fund
In re W.R. Grace & Co., No. 01-01139 (Bankr. D. Del. filed April 2, 2001)
Plan effective February 3, 2014
Trust website
W.R. Grace Monokote asbestos content eliminated in 1973. Trust fund active.