TN-20731 Hamilton Fire Department – Status Investigation Report 1 

PPE CASE

Personal Protective Equipment Conformity Assessment Studies and 

Evaluations

Evaluation of a Self-Contained Breathing Apparatus for 

Potential Contribution to a Fatal Event in the Fire Service

Hamilton, Ohio Fire Department Request for Survivair Panther 30 minute, 

4500 psig unit with NIOSH Approval Number TC-SU-5134-310 

(August 3, 2016)

As part of the National Institute for Occupational Safety and 

Health (NIOSH), Fire Fighter Fatality Investigation and 

Prevention Program (FFFIPP), the National Personal Protective 

Technology Laboratory (NPPTL) agreed to examine and evaluate

a self-contained breathing apparatus (SCBA) unit identified as

Survivair Panther 30 minute, 4500 psig, SCBA.

This SCBA status investigation was assigned NIOSH Task Number 

20731. The NIOSH Division of Safety Research (NIOSH/DSR) and 

the Hamilton Fire Department were advised that NIOSH/NPPTL

would provide a written report of the inspections and any

applicable test results.

The SCBA unit was contained in a cardboard shipping box and 

delivered to the NIOSH facility in Morgantown, West Virginia on 

January 13, 2016. Once the cardboard box containing the unit 

arrived, it was taken to the H building and locked in the 

evidence cage located in room 1513. The inspection was 

conducted on March 3, 2016 and placed back into the locked 

evidence cage until the testing evaluations. 

NIOSH evaluated one SCBA 

unit used by a fire fighter 

involved in a fatal event. 

The SCBA was not found to 

contribute to the fatality. 

A qualified service 

technician should always 

inspect, repair, test, clean, 

and replace damaged 

components of any SCBA 

involved in an incident 

before it may be returned to 

service.
TN 20731-Hamilton Fire Department – Status Investigation Report 2 

Disclaimer

The purpose of Respirator Status Investigations is to determine the conformance

of each respirator to the NIOSH approval requirements found in Title 42, Code of

Federal Regulations, Part 84. A number of performance tests are selected from

the complete list of Part 84 requirements and each respirator is tested in its

“as received” condition to determine its conformance to those performance

requirements. Each respirator is also inspected to determine its conformance

to the quality assurance documentation on file at NIOSH.

In order to gain additional information about its overall performance, each

respirator may also be subjected to other recognized test parameters, such

as National Fire Protection Association (NFPA) consensus standards. While the

test results give an indication of the respirator’s conformance to the NFPA

approval requirements, NIOSH does not actively correlate the test results from

its NFPA test equipment with those of certification organizations which list

NFPA- compliant products. Thus, the NFPA test results are provided for

information purposes only.

Selected tests are conducted only after it has been determined that each

respirator is in a condition that is safe to be pressurized, handled, and tested.

Respirators whose condition has deteriorated to the point where the health

and safety of NIOSH personnel and/or property is at risk will not be tested.
TN 20731-Hamilton Fire Department – Status Investigation Report 3

Investigator Information

The self-contained breathing apparatus (SCBA) performance tests were conducted by Jeremy Gouzd 

(Fellow), Karis Kline (Contractor), and Jay Tarley (Physical Scientist). The SCBA inspections for this 

report were performed and written by Jeremy Gouzd and Karis Kline. The investigators are part of 

the Evaluation and Testing Branch, National Personal Protective Technology Laboratory, National 

Institute for Occupational Safety and Health, located in Morgantown, West Virginia.

NIOSH Task Number 20731

SCBA Inspection

The unit was removed from the packaging in the Testing Lab, Room 1513 and inspected on March 3, 

2016 by Jay Tarley (Physical Scientist), Karis Kline (Contractor), and Jeremy Gouzd (Fellow). The 

SCBA was identified as the Hamilton Fire Department SCBA. The SCBA unit was extensively

examined, component by component, in the condition received to determine how well the SCBA 

conformed to the NIOSH-approved configuration. The unit was identified as a Survivair Panther 30 

minute, 4500 psig SCBA with the NIOSH approval number TC-SU-5134-310. The visual inspection 

process was documented photographically. Once all the inspections were completed, the SCBA unit 

was repackaged and placed back in the evidence cage in room 1513.

The complete SCBA inspection is summarized in Appendix I. The condition of each major

component of the SCBA that was photographed with a digital camera is contained in Appendix III.
TN 20731-Hamilton Fire Department – Status Investigation Report 4

SCBA Testing

The purpose of the testing was to determine how well the SCBA conformed to the approval

performance requirements of Title 42, Code of Federal Regulations, Part 84 (42 CFR 84). Further

testing was conducted to provide an indication of the SCBA’s conformance to the National Fire

Protection Association (NFPA) Air Flow Performance requirements of NFPA 1981, Standard on OpenCircuit Self-Contained Breathing Apparatus for the Fire Service, 2013 Edition.

NIOSH SCBA Certification Tests (in accordance with the performance requirements of 42 

CFR 84):

1. Positive Pressure Test [§ 84.70(a)(2)(ii)]

2. Rated Service Time Test (duration) [§ 84.95]

3. Static Pressure Test [§ 84.91(d)]

4. Gas Flow Test [§ 84.93]

5. Exhalation Resistance Test [§ 84.91(c)]

6. Remaining Service Life Indicator Test (low-air alarm) [§ 84.83(f)]

National Fire Protection Association (NFPA) Tests (in accordance with NFPA 1981, 2013 

Edition):

7. Air Flow Performance Test [Chapter 7, 7-1.1]

Appendix II contains the complete NIOSH test report for the SCBA units. Tables ONE and TWO

summarize the NIOSH and NFPA test results.

Summary and Conclusions

One SCBA unit was submitted to NIOSH/NPPTL by NIOSH/DSR for the Hamilton Fire Department for

evaluation. The SCBA unit was delivered to NIOSH in one shipment on January 13, 2016 and

extensively inspected on March 3, 2016. The unit was identified as a Survivair Panther model, 4500 

psig 30 minute SCBA with the NIOSH approval number TC-SU-5134-310. After inspection, the unit 

was deemed testable, only suffering slight damage from the incident it was involved in. 

The unit was provided with a corresponding cylinder which was found to also be in testable condition, 

however it was missing a date for hydrostatic testing. Under the applicable Department of 

Transportation (DOT) exemption, the air cylinder is required to be hydro tested every five years. For 

the air cylinder on this unit, the hydro date was not found, therefore, a retest would need to take 

place before it would be deemed safe to test this unit. 

The unit did come with a corresponding facepiece. The overall condition of the unit and facepiece was 

fair to good with some dirt and debris. There was visible heat damage to the unit’s straps. The cylinder 
TN 20731-Hamilton Fire Department – Status Investigation Report 5

with the unit had some scratches and dirt present. The cylinder was opened and it was empty. This 

unit passed the NIOSH tests and NFPA air flow test. 

In light of the information obtained during this investigation, NIOSH has proposed no further action

on its part at this time. The SCBA unit remains locked in the evidence cage until ordered to return to 

Hamilton Fire Department. 

If these units are to be placed back in service, the SCBAs must be repaired, tested, cleaned, and any

damaged components replaced and inspected by a qualified service technician, including such

testing and other maintenance activities as prescribed by the schedule from the SCBA manufacturer.

Typically, a flow test is required on at least an annual basis.

Actions to be Taken by the Fire Departments With SCBAs Involved 

in an Incident

• Any SCBA unit involved in an incident may not be placed back in service until the SCBA has 

been repaired, tested, cleaned and any damaged components replaced and inspected by a

qualified service technician, including such testing and other maintenance activities as

prescribed by the schedule from the SCBA manufacturer. 

• All SCBA units, even those not involved in an incident, should undergo a flow test on an annual

basis at a minimum.

Actions the PPE Users, Selectors, and Purchasers May Take to 

Further Protect Themselves and Others from Hazards

• Sign up for NPPTL’s Listserv at http://www.cdc.gov/niosh/npptl/sub-NPPTL.html to receive email 

notifications relevant to PPE.

For more information related to personal protective equipment, visit the NIOSH website

www.cdc.gov/niosh/npptl

To receive documents or other information about occupational safety and health topics, contact NIOSH:

Telephone: 1–800–CDC–INFO (1–800–232–4636)

TTY: 1–888–232–6348

CDC INFO: www.cdc.gov/info

or visit the NIOSH website at www.cdc.gov/niosh

For a monthly update on news at NIOSH, subscribe to NIOSH eNews by visiting www.cdc.gov/niosh/eNews
TN 20731-Hamilton Fire Department – Status Investigation Report 6

Appendix I

SCBA Inspection Report
TN 20731-Hamilton Fire Department – Status Investigation Report 7

 National Personal Protective Technology Laboratory, Evaluation and Testing Branch

Respirator Field Problem

Incoming Inspection Report Summary

The SCBA was received in a cardboard box (refer to Figures 1-2 in Appendix III)

Contact Agency: NIOSH/DSR for the Hamilton Fire Department

 

As received:

• Cylinder included and empty, open

• Bypass closed

• Mask mounted regulator (MMR) not locked in to facepiece

• Facepiece included and detached in separate paper bag

Components and Observations

NOTE: All references to “right” or “left” are from the user’s perspective.

1. Facepiece: (refer to Figures 3-8 in Appendix III)

Facepiece assembly; Suvivair, Medium

Other Markings: Label “___lterman” on MMR port housing

Part Number 252022 Lot Number 280050

Medallion Left- 962167 Medallion Right 03 

• Overall condition is dirty, covered in drywall dust

• Lens and rings are dirty, covered in debris

• Lens appears to be covered in debris

Task Number: TN-20731 Requestor: NIOSH/DSR for the Hamilton Fire

Department

Date Received: January 13, 2016

Date Inspected: March 3, 2016 Description: Fatality

Manufacturer: Survivair Inspected by: Jeremy Gouzd, Karis Kline 

Approval Number: TC-SU-5134-310 SCBA Type: Open Circuit, Pressure-Demand
TN 20731-Hamilton Fire Department – Status Investigation Report 8

• Lens retaining ring marking 962837

• Hairnet dirty, but in good shape

• Cheek tension straps twisted

2. MMR with HUD: (refer to Figures 9-11 in Appendix III)

MMR markings: 968801 040 3120067

• HUD INCLUDED

• Secured to low pressure line

• Bypass is closed, covered in debris

• Inside flange has no scratches and appears in good condition

• Sealing area is dirty; Patent #5097826

• Regulator can be attached and removed

• Locking assembly does function

• Quick disconnect not present

3. Low Pressure Line: (refer to Figure 12 in Appendix III)

Number: Obscured by line cover

• Secured at all attachments points

• Quick disconnect not present

• Line runs through the shoulder strap to the reducer

• Tear in protective cover

4. 4.5 Pressure Reducer Assembly: (refer to Figures 13-15 in Appendix III)

Markings/numbers: Part Number 268888 Lot Number 283553

• Barcode marking is present- BA-010638 05104

• Overall condition is fair to good, but dirty with scratches 

• All airline connections are secure

• Disconnected from belt

5. High Pressure Line & Cylinder Attachment: (refer to Figures 16-18 in Appendix III)

• Overall condition is good with slight scratches

• Cylinder attachments thread corroded, threads on and off, “O” ring in place, but dirty

• Relief valve SVA 45K

• Eaton FD17-1002-10-04

• Three lines:

o One goes to first stage regulator

o Two low pressure lines go to auxiliary with male and female attachment points

o One line goes to stand alone gauge 
TN 20731-Hamilton Fire Department – Status Investigation Report 9

• High pressure hose assembly other markings:

o 0407230349

o 968831

6. Console Compass Personal Alert Safety System (PASS) Version: (refer to Figure 19 in Appendix III)

Model#: 962600

• Overall condition is good

• Lines are in good shape—pressure/electrical

• Protective casing slightly dirty; normal wear and tear

• SEI Label attached NFPA 1992, 1998 ed.

• PASS did turn on

• Additional port on PASS device has steel plug

7. Backframe Assembly: (refer to Figures 20-22 in Appendix III)

Other markings: 27A City of Hamilton Sticker Partial #: 001561 

Model #: Unreadable

Lot #: 286186

NIOSH label: TG-13F-284

NFPA 1981, 2002 ed.

• Overall condition is good, but dirty

• Shoulder straps were attached to the frame

• Cylinder strap intact

8. Straps & Buckles: (refer to Figures 23 in Appendix III)

• Overall strap condition is dirty with some dye sublimation 

• Shoulder strap attachment connected both sides

• Hose lines and wires pass through shoulder straps

• All adjustable buckles move and hold in place

• Waist area buckle latches and releases

• Heat damage to plastic latch on cylinder strap

9. Cylinder & Valve Assembly: (refer to Figures 24-27 in Appendix III)

Some DOT and other information:

DOT- E-10915-4500

TC-SU-5134-310 

IO 25030

Cylinder M/N: 7-947-1

Luxfer PN: L45J-1 REE 78

Survivair PN: 917135
TN 20731-Hamilton Fire Department – Status Investigation Report 10

Manufacture date: 7/04 30 Minute, 4500 PSIG

Valve stem assembly PN: 920322 LN: Unreadable, begins with 2

• Overall condition is fair to good as there are some surface scratches and dirt present 

• Gauge is readable 

• Threads are dirty and corroded

• As received cylinder valve open and empty

• Rubber bumper at base on cylinder valve is in OK condition 

• Rehydro/inspection date: Not found

10. Auxiliary Hose: (refer to Figures 28 in Appendix III)

• Female and male attachment points

• Cover in place, but off

• Quick disconnect on female port is stuck

• AISI303 on male port R1.4305

• On quick disconnect RECIUS type 25 NW 7.4

11. Standalone Gauge: (refer to Figure 29 in Appendix III)

• Lens is scratched and dirty, but readable

• 9806-41
TN 20731-Hamilton Fire Department – Status Investigation Report 11

Appendix II

SCBA Test Results
TN 20731-Hamilton Fire Department – Status Investigation Report 12

 National Personal Protective Technology Laboratory, Evaluation and Testing Branch

SCBA Test Report

Task Number: TN-20731

Manufacturer: Survivair Panther 4500 psig 30 min

NIOSH Approval Number: 20731

Tests Performed by: Karis Kline, Jeremy Gouzd, and Jay

Tarley

Report written by: Karis Kline

Date of Report: August 3, 2016

I. Background

The SCBA unit was delivered to the NIOSH facility in Morgantown, West Virginia on January 13,

2016. It was taken to the lower floor of lab room 1513 for secured storage. The inspection for 

this unit was conducted on March 3, 2016. 

The unit was stored under lock until the time of the performance test.

The unit was removed from the packaging in the Testing Lab, Room 1513 and inspected on 

March 3, 2016 by Jay Tarley (Physical Scientist,) Karis Kline (Contractor), and Jeremy Gouzd,

(Fellow). The SCBA was identified as the Hamilton Fire Department SCBA. The SCBA unit was 

extensively examined, component by component, in the condition received to determine how 

well the SCBA conformed to the NIOSH-approved configuration. The unit was identified as a 

Survivair Panther 30 minute, 4500 psig SCBA with the NIOSH approval number TC-SU-5134-310. 

The visual inspection process was documented photographically. Once all the inspections were 

completed, the SCBA unit was repackaged and placed back in the evidence cage in room 1513.

A series of performance tests were conducted on May 3, 2016

II. Test Outlines

1. POSITIVE PRESSURE TEST – NIOSH Test Procedure No. 120

42 CFR Part 84 Reference: Subpart H, § 84.70 (a)(2)(ii)

Requirement:

The pressure inside the facepiece in relation to the immediate environment is positive during

both inhalation and exhalation.
TN 20731-Hamilton Fire Department – Status Investigation Report 13

Procedure:

A breathing machine with a 622 kg.-m./min. cam operating at 24 RPM with a 40-liter per minute

flow rate (115 liters per minute peak flow) is connected to an anthropometric head for cycling. A 

pressure tap in the head is connected to a transducer, which in turn is connected to a strip chart

recorder for determining the pressure in the facepiece.

Results: The unit met all of the test requirements.

2. RATED SERVICE TIME TEST – NIOSH Test Procedure No. 121

42 CFR Part 84 Reference: Subpart F, § 84.53 (a) and Subpart H, § 84.95 (a) and (b)

Requirement:

Service time will be measured while the apparatus is operated by a breathing machine as

described in § 84.88. The open-circuit apparatus will be classified according to the length of time

it supplies air or oxygen to the breathing machine. Classifications are listed in § 84.53.

Procedure:

A breathing machine with a 622 kg.-m./min. cam operating at 24 RPM with a 40 liters per minute 

flow rate is connected to an anthropometric head for cycling. A pressure tap in the head is 

connected to a transducer, which in turn is connected to a strip chart recorder for determining

the pressure in the facepiece. The breathing machine runs until the inhalation portion of the

breathing curve falls below the minimum requirement.

Results: The unit passed Rated Service Time Test.

Test Notes: The measured service times for the unit (adjusted to correspond with the recorded

breathing cycles) were more than the rated service times of 30 minutes. The PASS functioned

during the test. The SCBA did not go negative on inhalation, but maintained positive pressure in 

the facepiece at the same level.

Inhalation Breathing Resistance:

(inches of water column)

0.25

Pass / Fail PASS

Measured Service

Time:

Minutes Seconds 33 34

Pass / Fail PASS
TN 20731-Hamilton Fire Department – Status Investigation Report 14

3. STATIC PRESSURE TEST – NIOSH Test Procedure No. 122

42 CFR Part 84 Reference: Subpart H, § 84.91 (d)

Requirement:

The static pressure (at zero flow) in the facepiece shall not exceed 38 mm. (1.5 inches) watercolumn height.

Procedure:

The facepiece is fitted to an anthropometric head for testing. A pressure tap in the head is

connected to a calibrated manometer. Full cylinder pressure is applied to the unit at zero flow

and a reading from the manometer is recorded.

Results: The unit met the test requirement.

Facepiece Static Pressure:(inches of

water

1.15

Pass / Fail Pass

4. GAS FLOW TEST – NIOSH Test Procedure No. 123

42 CFR Part 84 Reference: Subpart H, § 84.93 (b) and (c)

Requirement:

The flow from the apparatus shall be greater than 200 liters per minute when the pressure in the

facepiece of demand apparatus is lowered by 51 mm. (2 inches) water column height when full

container pressure is applied. Where pressure demand apparatus are tested, the flow will be

measured at zero gage pressure in the facepiece.

Procedure:

A pressure tap in the anthropometric head is connected to a manometer for determining when 

the pressure inside the facepiece is zero. A mass flow meter is connected in line between the

anthropometric head and an adjustable vacuum source to measure flow. The SCBA cylinder is

replaced by a test stand, which is adjusted initially to full cylinder pressure. The vacuum source

is adjusted during the test to maintain the desired pressure inside the facepiece. Once the 

proper facepiece pressure has stabilized, a flow reading is recorded. The procedure is then

repeated with the test stand adjusted to 500 psig.

Results: The unit passed the Gas Flow test. 

Unit 1

Applied Pressure Air Flow(liters per 

minute) Pass/Fail

4500 psig 232 Pass

500 psig 228 Pass
TN 20731-Hamilton Fire Department – Status Investigation Report 15

5. EXHALATION RESISTANCE TEST – NIOSH Test Procedure No. 122

42 CFR Part 84 Reference: Subpart H, § 84.91 (c)

Requirement:

The exhalation resistance of pressure-demand apparatus shall not exceed the static 

pressure in the facepiece by more than 51 mm. (2 inches) water-column height.

Procedure:

The facepiece is mounted on an anthropometric head form. A probe in the head form is

connected to a slant manometer for measuring exhalation breathing resistance. The air

flow through the apparatus is adjusted to a rate of 85 liters per minute and the exhalation 

resistance is recorded.

Results: The unit passed the Exhalation Resistance Test.

6. REMAINING SERVICE LIFE INDICATOR TEST – NIOSH Test Procedure No. 124

42 CFR Part 84 Reference: Subpart H, § 84.83 (f) and Subpart G, § 84.63 (c)

Requirement:

Each remaining service life indicator or warning device shall give an alarm when the 

remaining service life of the apparatus is reduced within a range of 20 to 25 percent of its 

rated service time or pressure.

This requirement is modified under § 84.63(c) as follows: For apparatus which do not have 

a method of manually turning off remote gage in the event of a gage or gage line failure

the remaining service life indicator is required to be set at 25% ± 2% of the rated service

time or pressure.

Procedure:

A calibrated gauge is connected in line between the air supply and the first-stage regulator.

The unit is then allowed to gradually bleed down. When the low-air alarm is activated, the

pressure on the gauge is recorded. This procedure is repeated six times. The average of 

the six readings is calculated and recorded.

Results: The unit passed the Remaining Service Life Indicator test. The test requirement is 

25% ± 2%.

 Exhalation Breathing Resistance: (inches of water column) 2.25

 Static Pressure: (inches of water column) 1.15

 Difference: (inches of water column) 1.1

 Pass / Fail Pass
TN 20731-Hamilton Fire Department – Status Investigation Report 16

Testing Notes:

The SCBA unit contained two alarms—a mechanical “bell” alarm and the electric light 

indicator on the PASS Console that changes from green to red when activated. The

mechanical and electric alarms worked for all four testable units. Required range is 

between 1035 and 1215 psig. 

7. NFPA AIR FLOW PERFORMANCE TEST

NFPA 1981 (1997 Edition) Reference: Chapter 5, Performance Requirements, Sec. 5-

1.1

Requirement:

SCBA shall be tested for air flow performance as specified in Section 6-1, Air Flow

Performance Test, and the SCBA facepiece pressure shall not be less than 0.0 in. (0.0 mm)

water column and nor greater than 31⁄2 in. (89 mm) water column above ambient pressure

from the time the test begins until the time the test is concluded.

Procedure:

The required equipment specified in the NFPA standards were used to conduct the tests 

on this unit. A pressure tap in the head is connected to a transducer, which in turn is 

connected to a flatbed chart recorder for determining the pressure in the facepiece.

Results: The SCBA passed this test.

Maximum Facepiece Pressure:

(inches of water column)

3.2

Minimum Facepiece Pressure:

(inches of water column)

0.1

Pass / Fail PASS

Run # Mechanical Alarm Point (psig) Electronic Alarm Point (psig)

1. 1200 1050

2. 1200 1050

3. 1200 1025

4. 1200 1050

5. 1200 1025

6. 1200 1025

Avg. 1200 1038

Pass / Pass Pass
TN 20731-Hamilton Fire Department – Status Investigation Report 17

III. Disposition:

Following testing, the SCBA unit was returned to the package in which the unit was shipped

to NIOSH and placed in secured storage. The unit was placed back into secured storage

until it was shipped back to the fire department.

The results of all tests are summarized in Tables One and Two which follow.

TABLE ONE – Summary of NIOSH Test Results

Task Number: 20731

Manufacturer: Survivair

NIOSH Approval

Number:

TC-SU-5134-310

Tests Performed By: Jay Tarley, Jeremy Gouzd, Karis Kline

Dates of Tests: May 3, 2016

TEST / 42 CFR PART 84 REFERENCE STANDARD RESULT PASS FAIL

1. POSITIVE PRESSURE TEST Reference: 

Subpart H, § 84.70 (a)(2)(ii)

≥ 0.00 INWC

0.25 INWC X

2. RATED SERVICE TIME TEST Reference: 

Subpart F, § 84.53 (a), Subpart H, § 

84.95 (a) and (b) ≥ 30 min.

33 min 34 s X

3. STATIC PRESSURE TEST

Reference: Subpart H, § 84.91 (d)

≤ 1.50 INWC

1.15 INWC

X

4. GAS FLOW TEST (at Full Cylinder

Pressure)

Reference: Subpart H, § 84.93 (b) and (c)

≥ 200 lpm

232.0

LPM

X

4. GAS FLOW TEST (at 500 psig) Reference: 

Subpart H, § 84.93 (b) and (c)

≥ 200 lpm

228.0 LPM X

5. EXHALATION RESISTANCE TEST

Reference: Subpart H, § 84.91 (c)

Difference

≤ 2.00 INWC

1.1 INWC X
TN 20731-Hamilton Fire Department – Status Investigation Report 18

6. REMAINING SERVICE LIFE INDICATOR 

TEST (Mechanical alarm) Reference: 

Subpart H, § 84.83 (f) and Subpart G, § 

84.63 (c)

Between 1035 and 1215 psig

1200 PSIG X

6. REMAINING SERVICE LIFE INDICATOR 

TEST (Electronic alarm) Reference: 

Subpart H, § 84.83 (f) and Subpart G, § 

84.63 (c)

Between 1035 and 1215 psig

1038 PSIG X

NOTE: The Positive Pressure Test and Rated Service Life Test run simultaneously.

TABLE TWO – Summary of NFPA Test Results

TEST / REFERENCE STANDARD RESULT PASS FAIL

7. NFPA AIR FLOW PERFORMANCE

Reference: NFPA 1981 (1997 Edition),

Section 5-1.1

≤ 3.50 INWC

Exhalation 

Resistance

3.2 INWC X

7. NFPA AIR FLOW PERFORMANCE

Reference: NFPA 1981 (1997 Edition),

Section 5-1.1

≥ 0.00 INWC

Inhalation

Resistance

0.1 INWC X
TN 20731-Hamilton Fire Department – Status Investigation Report 19

Appendix III

SCBA Inspection Report
TN 20731-Hamilton Fire Department – Status Investigation Report 20

Figure 1: Sealed paper bag containing SCBA

Figure 2: Facepiece unit in bag with evidence description

Figure 3: Facepiece and SCBA unit out of bag 

Figure 4: Overview of facepiece, covered in debris

Figure 5: View of inside of facepiece, covered in debris 

Figure 6: Bottom view of facepiece, debris inside

Figure 7: Identifying markings on facepiece frame

Figure 8: Identifying markings on facepiece

Figure 9: Mask mounted regulator 

Figure 10: Inside flange, mask mounted regulator

Figure 11: Heat damage to air supply valve

Figure 12: Tear in protective cover of low pressure hose

Figure 13: Pressure reducer assembly with markings 

Figure 14: Identifying markings on pressure reducer

Figure 15: Side view of pressure reducer with identifying markings

Figure 16: High pressure hose and cylinder attachment

Figure 17: Cylinder attachment overview with bell assembly and markings 

Figure 18: Quick fill port on cylinder attachment

Figure 19: PASS console

Figure 20: Overview of pack assembly (backside)

Figure 21: Overview of pack assembly (inside)

Figure 22: Back frame labels

Figure 23: Overview of buckles and straps

Figure 24: Overview of cylinder

Figure 25: Overview of cylinder label

Figure 26: Markings on cylinder

Figure 27: Cylinder threads with readable cylinder gauge

Figure 28: Auxiliary hose, female and male attachments

Figure 29: Standalone gauge, lens scratched but readable
TN 20731-Hamilton Fire Department – Status Investigation Report 21

Figure 1: Sealed Paper bag containing SCBA

Figure 2: Facepiece unit in bag with evidence description
TN 20731-Hamilton Fire Department – Status Investigation Report 22

Figure 3: Facepiece and SCBA unit out of bag

Figure 4: Overview of facepiece, covered in debris
TN 20731-Hamilton Fire Department – Status Investigation Report 23

Figure 5: View of inside of facepiece, covered in debris 

Figure 6: Bottom view of facepiece, debris inside
TN 20731-Hamilton Fire Department – Status Investigation Report 24

Figure 7: Identifying markings on facepiece frame

Figure 8: Identifying markings on facepiece
TN 20731-Hamilton Fire Department – Status Investigation Report 25

Figure 9: Mask mounted regulator

Figure 10: Inside flange, mask mounted regulator 
TN 20731-Hamilton Fire Department – Status Investigation Report 26

Figure 11: Heat damage to air supply valve

Figure 12: Tear in protective cover of low pressure hose
TN 20731-Hamilton Fire Department – Status Investigation Report 27

Figure 13: Pressure reducer assembly with markings

Figure 14: Identifying markings on pressure reducer
TN 20731-Hamilton Fire Department – Status Investigation Report 28

Figure 15: Side view of pressure reducer with identifying markings

Figure 16: High pressure hose and cylinder attachment
TN 20731-Hamilton Fire Department – Status Investigation Report 29

Figure 17: Cylinder attachment overview with bell assembly and markings

Figure 18: Quick fill port on cylinder attachment
TN 20731-Hamilton Fire Department – Status Investigation Report 30

Figure 19: PASS console

Figure 20: Overview of pack assembly (backside)
TN 20731-Hamilton Fire Department – Status Investigation Report 31

Figure 21: Overview of pack assembly (inside)

Figure 22: Back frame labels 
TN 20731-Hamilton Fire Department – Status Investigation Report 32

Figure 23: Overview of buckles and straps

Figure 24: Overview of cylinder
TN 20731-Hamilton Fire Department – Status Investigation Report 33

Figure 25: Overview of cylinder label

Figure 26: Markings on cylinder
TN 20731-Hamilton Fire Department – Status Investigation Report 34

Figure 27: Cylinder threads with readable cylinder gauge

Figure 28: Auxiliary hose, female and male attachments
TN 20731-Hamilton Fire Department – Status Investigation Report 35

Figure 29: Standalone gauge, lens scratched but readable