Approvals: 1st Level 2nd Level 3rd Level 

National Institute for Occupational Safety and Health 

National Personal Protective Technology Laboratory 

P.O. Box 18070 

Pittsburgh, PA 15236 

Procedure No. RCT-ASR-STP-0121A Revision: 1.1 Date: 21 September 2005

DETERMINATION OF RATED SERVICE TIME - CLOSED-CIRCUIT, DEMAND 

AND PRESSURE-DEMAND, SELF-CONTAINED BREATHING APPARATUS 

STANDARD TESTING PROCEDURE (STP) 

1. PURPOSE

This test establishes the procedures for ensuring that the level of protection provided by the rated 

service time requirements on Closed-Circuit, Demand and Pressure-Demand, Self-Contained 

Breathing Apparatus (SCBA) submitted for Approval, Extension of Approval, or examined 

during Certified Product Audits, meet the minimum certification standards set forth in 42 CFR, 

Part 84, Subpart F, Section 84.53, Subpart G, Section 84.63(a)(c)(d), and Subpart H, Section 

84.96, 84.97(d), 84.99, 84.100, and 84.103; Volume 60, Number 110, June 8, 1995. 

2. GENERAL

This STP describes the Determination of Rated Service Time - Closed-Circuit, Demand and 

Pressure-Demand, Self-Contained Breathing Apparatus test in sufficient detail that a person 

knowledgeable in the appropriate technical field can select equipment with the necessary 

resolution, conduct the test, and determine whether or not the product passes the test. 

3. EQUIPMENT/MATERIALS

3.1. The list of necessary test equipment and materials follows: 

3.1.1. One B-D Yale (2317 100YL) 100cc (Becton, Dickson and Co.) syringe "LuerLok", Becton Dickson & Company, Rutherford, NJ. or equivalent.

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Procedure No. RCT-ASR-STP-0121A Revision: 1.1 Date: 21 September 2005 Page 2 of 31 

3.1.2. Doric Series 400A Digital Trendicator, Doric Scientific Division, Emerson 

Electric Company, 3883 Ruffin Road, San Diego, CA 92123 or equivalent. 

3.1.3. Validyne Digital Readout - Model CD23 or equivalent. 

3.1.4. Temperature compensated pressure transducer (Validyne Engineering Model No. 

DP45) or equivalent. 

3.1.5. Electric timer, calibrated to l00ths of a minute (Precision Scientific Co.) or 

equivalent. 

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3.1.6. Multiple outlet box with 6 receptacles or equivalent. 

3.1.7. Timer, Digital stopwatch, calibrated to hundredths of a minute (Cronus Precision 

Products, Inc.) to hand carry. or equivalent. 

3.1.8. Applied Electrochemistry CO2 Analyzer - Model CD-3A or equivalent. 

3.1.9. Applied Electrochemistry Oxygen Analyzer - Model S-3A or equivalent. 

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Procedure No. RCT-ASR-STP-0121A Revision: 1.1 Date: 21 September 2005 Page 4 of 31 

3.1.10. Oxygen - U.S.P or equivalent. 

3.1.11. Carbon dioxide - calibration gas, 4-5%, 1-2%, 3-4% Matheson Scientific 

Company, E. Rutherford, NJ or equivalent. 

3.1.12. Carbon dioxide calibration curve or equivalent. 

3.1.13. Fifty-pound sack or equivalent. 

3.1.14. Forty-five pound pipe weight or equivalent. 

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3.1.15. Forty-five pound weight pulling machine (U.S. BOM) or equivalent. 

3.1.16. Knee pads or equivalent. 

3.1.17. Matheson Gas Products Model # 8320 carbon dioxide regulator, East Rutherford, 

NJ or equivalent. 

3.1.18. Dwyer Slant Manometer 0-3", F. W. Dwyer Manufacturing Co., Michigan City, 

Indiana or equivalent. 

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Procedure No. RCT-ASR-STP-0121A Revision: 1.1 Date: 21 September 2005 Page 6 of 31 

3.1.19. Model 18-49B Horizontal Treadmill, 0-6 MPH, Quinton Instruments, 3051 44th

Avenue, West Seattle, Washington 98199 or equivalent. 

3.1.20. National Draeger Endless Ladder, 0-130 feet/minute S/N181-2486 or equivalent. 

3.1.21. A crash cart with current dated drugs and equipment at the test scene. 

3.1.22. Two test subjects meeting requirements of the NIOSH Human Subject Review 

Board (HSRB) approved Protocol. Refer to HSRB-73-DSR-01, “Protocol for the 

Testing of Respiratory Protective Devices” for the proper consent form and 

complete details on the use of human test subjects in respirator certification 

testing. 

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Procedure No. RCT-ASR-STP-0121A Revision: 1.1 Date: 21 September 2005 Page 7 of 31 

3.1.23. A hospital type gurney (or a bed for test subject to lay on) or equivalent. 

3.1.24. A 4' by 8' pad for test subject to crawl on or equivalent. 

4. TESTING REQUIREMENTS AND CONDITIONS

4.1. Prior to beginning any testing, all measuring equipment to be used must have been 

calibrated in accordance with the manufacturer's calibration procedure and schedule. At 

a minimum, all measuring equipment utilized for this testing must have been calibrated 

within the preceding 12 months using a method traceable to the National Institute of 

Standards and Technology (NIST). 

4.2. The compressed gas cylinder must meet all applicable Department of Transportation 

Requirements for cylinder approval as well as for retesting/requalification. 

4.3. Normal laboratory safety practices must be observed. This includes all safety precautions 

described in the current ALOSH Facility Laboratory Safety Manual. 

4.3.1. Safety glasses, lab coats, and hard-toe shoes must be worn during all testing. 

4.3.2. Work benches must be maintained free of clutter and non-essential test 

equipment. 

4.3.3. When handling any glass laboratory equipment, lab technicians and personnel 

must wear special gloves which protect against lacerations or punctures. 

5. PROCEDURE

Note: Reference Section 3 for equipment, model numbers and manufacturers. For calibration 

purposes use those described in the manufacturer's operation and maintenance manuals. 

5.1. The Man Test Number Four is conducted in duplicate as outlined in the Standard Test 

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Procedure No. RCT-ASR-STP-0121A Revision: 1.1 Date: 21 September 2005 Page 8 of 31 

Procedure RCT-ASR-STP-0140 for the specific duration requested for the self-contained 

breathing apparatus by the manufacturer. 

5.2. During the sampling periods, the following elements are sampled/monitored: 

A. Oxygen in inhalation tube. 

B. Carbon-Dioxide-Inspired. 

C. Temperature in Mask. 

D. Gauge Pressure. 

E. Subject pulse rate. 

F. Subject respiration rate. 

G. Breathing Resistance-Inhale/Exhale. 

5.3. Data Analysis 

All sample values must be within the regulations requirements. The Closed-Circuit SelfContained breathing apparatus must perform for the period of time requested by the 

manufacturer's submittal, on Man Test # 4, or the Closed-Circuit Self-Contained 

breathing apparatus fails the test. The duration of the Closed-Circuit Self-Contained 

breathing apparatus will be set in accordance with Section 84.53 Service Time; 

Classification. 

Note: This test should be done on a minimum of two respirators, or more if additional testing is 

required (42 CFR, Part 84, Sections 84.12, 84.30, and 84.60). 

6. PASS\FAIL CRITERIA

6.1. The criterion for passing this test is set forth in 42 CFR, Part 84, Subpart F, Section 

84.53, Subpart G, Section 84.63(a)(c)(d), and Subpart H, Section 84.96, 84.97(d), 84.99, 

84.100, and 84.103; Volume 60, Number 110, June 8, 1995. 

6.2. This test establishes the standard procedure for ensuring that: 

84.53 Service time; classification. 

(a) Respirators described in subparts H through L of this part shall be classified, where 

applicable, as approved for use during the following prescribed service times: 

 (1) Four hours; 

 (2) Three hours; 

 (3) Two hours; 

 (4) One hour; 

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 (5) Forty-five minutes; 

 (6) Thirty minutes; 

 (7) Fifteen minutes; 

 (8) Ten minutes; 

 (9) Five minutes; or 

 (10) Three minutes. 

(b) Other service times may be prescribed by the Institute. 

84.63 Test requirements; general. 

(a) Each respirator and respirator component shall when tested by the applicant and by 

the Institute, meet the applicable requirements set forth in subparts H through L of this 

part. 

(c) In addition to the minimum requirements set forth in subparts H through L of this 

part, the Institute reserves the right to require, as a further condition of approval, any 

additional requirements deemed necessary to establish the quality, effectiveness, and 

safety of any respirator used as protection against hazardous atmospheres. 

(d) Where it is determined after receipt of an application that additional requirements will 

be required for approval, the Institute will notify the applicant in writing of these 

additional requirements, and necessary examinations, inspections, or tests, stating 

generally the reasons for such requirements, examinations, inspections, or tests. 

84.96 Service time test; closed-circuit apparatus. 

(a) The closed-circuit apparatus will be classified according to the length of time it 

supplies adequate breathing gas to the wearer during man test No. 4 described in Table 4 

of this subpart. 

(b) The service time obtained on man test No. 4 will be used to classify the closed-circuit 

apparatus in accordance with 84.53. 

84.97 Test for carbon dioxide in inspired gas; open- and closed-circuit apparatus; 

maximum allowable limits. 

(d) In addition to the test requirements for closed-circuit apparatus set forth in paragraph 

(b) of this section, gas samples will be taken during the course of the man tests described 

in Tables 1, 2, 3, and 4 of this subpart. These gas samples will be taken from the closedcircuit apparatus at a point downstream of the carbon dioxide sorbent, and they shall not 

contain more than 0.5 percent carbon dioxide at any time, except on apparatus for escape 

only, using a mouthpiece only, the sample shall not contain more than 1.5 percent carbon 

dioxide at any time. 

84.99 Man tests; testing conditions; general requirements. 

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Procedure No. RCT-ASR-STP-0121A Revision: 1.1 Date: 21 September 2005 Page 10 of 31 

(a) The man tests described in Tables 1, 2, 3, and 4 represent the workload performed in 

the mining, mineral, or allied industries by a person wearing the apparatus tested. 

(b) The apparatus tested will be worn by personnel trained in the use of self-contained 

breathing apparatus, and the wearer will, before participating in these tests, pass a 

physical examination conducted by a qualified physician. 

(c) All man tests will be conducted by the Institute. 

(d) The apparatus will be examined before each man test to ensure that it is in proper 

working order. 

(e) Breathing resistance will be measured within the facepiece or mouthpiece and the 

wearer's pulse and respiration rate will be recorded during each 2-minute sample period 

prescribed in tests 1, 2, 3, and 4. 

(f) Man tests 1, 2, 3, 4, 5, and 6 will be conducted in duplicate. 

(g) If man tests are not completed through no fault of the apparatus, the test will be 

repeated. 

84.100 Man tests 1, 2, 3, and 4; requirements. 

Man tests 1, 2, 3, and 4, set forth in Tables 1, 2, 3, and 4 respectively, prescribe the 

duration and sequence of specific activities. These tests will be conducted to: 

(a) Familiarize the wearer with the apparatus during use; 

(b) Provide for a gradual increase in activity; 

(c) Evaluate the apparatus under different types of work and physical orientation; and 

(d) Provide information on the operating and breathing characteristics of the apparatus 

during actual use. 

84.103 Man tests; performance requirements. 

(a) The apparatus shall satisfy the respiratory requirements of the wearer for the classified 

service time. 

(b) Fogging of the eyepiece shall not obscure the wearer's vision, and the wearer shall not 

experience undue discomfort because of fit or other characteristics of the apparatus. 

(c) When the ambient temperature during testing is 24 degrees + 6 degrees C. (75 degrees 

+ 10 degrees F.), the maximum temperature of inspired air recorded during man tests 

shall not exceed the following, after correction for deviation from 24 degrees C. (75 

degrees F.): 

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Procedure No. RCT-ASR-STP-0121A Revision: 1.1 Date: 21 September 2005 Page 11 of 31 

Maximum permissible temperature of 

inspired air shall not exceed-- 

Where service life of 

apparatus is-- 

Where percent 

relative humidity of 

inspired air is-- 

 1/4 hour or less 0-100 135 57 

 1/2 hour to 3/4 hour 0-50 

50-100 

125 

1

110 

52 

1

43 

1 to 2 hours 0-50 

50-100 

115 

1

105 

46 

1

41 

3 hours 0-50 

50-100 

110 

1

100 

43 

1

38 

4 hours 0-50 

50-100 

105 

1

95 

41 

1

35 

1

Where percent relative humidity is 50-100 and apparatus is designed for escape only, these maximum 

permissible temperatures will be increased by 5EC (10EF). 

7. RECORDS\TEST SHEETS

7.1. All test data will be recorded on the RATED SERVICE TIME, CLOSED-CIRCUIT, 

SELF-CONTAINED BREATHING APPARATUS Man Test # 4 test data sheets as listed 

in Section 8. 

7.2. All videotapes and photographs of the actual test being performed, or of the tested 

equipment shall be maintained in the task file as part of the permanent record. 

7.3. All equipment failing any portion of this test will be handled as follows; 

7.3.1. If the failure occurs on a new certification application, or extension of approval 

application, send a test report to the RCT Leader and prepare the hardware for 

return to the manufacturer. 

7.3.2. If the failure occurs on hardware examined under an Off-the-Shelf Audit the 

hardware will be examined by a technician and the RCT Leader for cause. All 

equipment failing any portion of this test may be sent to the manufacturer for 

examination and then returned to NIOSH. However, the hardware tested shall be 

held at the testing laboratory until authorized for release by the RCT Leader, or 

his designee, following the standard operating procedures outlined in Procedure 

for Scheduling, and Processing Post-Certification Product Audits, RB-SOP0005-00. 

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Procedure No. RCT-ASR-STP-0121A Revision: 1.1 Date: 21 September 2005 Page 12 of 31 

8. SAMPLING SCHEDULE AND WORK SCHEDULE: 

Man Test #4 3-minutes 

Man Test #4 5-minutes 

Man Test #4 10-minutes 

Man Test #4 15-minutes 

Man Test #4 30-minutes 

Man Test #4 45-minutes 

Man Test #4 1-hour 

Man Test #4 2-hour 

Man Test #4 3-hour 

Man Test #4 4-hour 

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MAN TEST # 4 - 3 MINUTES

PROJECT NO: DATE: __________ 

Subject: Age: __________ 

Subject weight: Initial - Final - _______________ 

 

RESPIRATOR TYPE: 3 Minute 

Unit weight: Initial - Final - _______________ 

Observers: ___________________________________________________ 

 Sampling Schedule

Time/Min. Gas Percent Pulse Resp. Resistance Temperature Press. 

 CO2 02 bpm rpm inh. exh. unit amb. gauge

 None 

 Work Schedule

Time/Min. Exercise

 0-1 vertical 

 1-2 rope pull - 15 times 

 2-3 walk - 3mph 

Comments : 

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_____________________________________________________________________________________

_____________________________________________________________________________________

_____________________________________________________________________________________

_____________________________________________________________________________________ 

 

 

Test Engineer: PASS FAIL________ 

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MAN TEST # 4 - 5 MINUTES 

PROJECT NO: DATE: __________ 

Subject: Age: __________ 

Subject weight: Initial - Final - _______________ 

 

RESPIRATOR TYPE: 5 Minute 

Unit weight: Initial - Final - _______________ 

Observers: ___________________________________________________ 

 Sampling Schedule

Time/Min. Gas Percent Pulse Resp. Resistance Temperature Press. 

 CO2 02 bpm rpm inh. exh. unit amb. gauge

 None 

 Work Schedule

Time/Min. Exercise

 0-1 vertical 

 1-2 walk - 3mph 

 2-4 rope pull - 30x2 min. 

 4-5 run - 6mph 

 

Comments : 

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_____________________________________________________________________________________

_____________________________________________________________________________________

_____________________________________________________________________________________

_____________________________________________________________________________________ 

Test Engineer: PASS FAIL________ 

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MAN TEST # 4 - 10 MINUTES

PROJECT NO: DATE: __________ 

Subject: Age: __________ 

Subject weight: Initial - Final - _______________ 

 

RESPIRATOR TYPE: 10 Minute 

Unit weight: Initial - Final - _______________ 

Observers: ___________________________________________________ 

 Sampling Schedule

Time/Min. Gas Percent Pulse Resp. Resistance Temperature Press. 

 CO2 02 bpm rpm inh. exh. unit amb. gauge

 5 – 7 __________________________________________________________________ 

 Work Schedule

Time/Min. Exercise

 0-1 vertical 

 1-2 walk - 3mph 

 2-4 rope pull - 30x2 min. 

 4-5 walk - 3mph 

 7-8 run - 6mph 

 8-9 overcast - 1x1min 

 9-10 walk - 3mph 

 

Comments : 

_____________________________________________________________________________________

_____________________________________________________________________________________

_____________________________________________________________________________________ 

Test Engineer: PASS FAIL________ 

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MAN TEST # 4 - 15 MINUTES

PROJECT NO: DATE: __________ 

Subject: Age: __________ 

Subject weight: Initial - Final - _______________ 

 

RESPIRATOR TYPE: 15 Minute 

Unit weight: Initial - Final - _______________ 

Observers: ___________________________________________________ 

 Sampling Schedule

Time/Min. Gas Percent Pulse Resp. Resistance Temperature Press 

 CO2 02 bpm rpm inh. exh. unit amb. gauge

 0 - 2 __________________________________________________________________________ 

 13 – 15 ________________________________________________________________________ 

 Work Schedule

Time/Min. Exercise

 2-3 walk - 3mph 

 3-4 vertical 

 4-5 walk - 3mph 

 5-7 rope pull - 30x2 min. 

 7-8 walk - 3mph 

 8-9 overcast - 1x1min 

 9-10 walk - 3mph 

 

 10-11 run - 6mph 

 11-12 overcast - 1x1min 

 12-13 rope pull - 15x1min. 

Test Engineer: PASS FAIL________ 

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MAN TEST # 4 - 30 MINUTES

PROJECT NO: DATE: __________ 

Subject: Age: __________ 

Subject weight: Initial - Final - _______________ 

 

RESPIRATOR TYPE: 30 Minute 

Unit weight: Initial - Final - _______________ 

Observers: ___________________________________________________ 

 Sampling Schedule

Time/Min. Gas Percent Pulse Resp. Resistance Temperature Press. 

 CO2 02 bpm rpm inh. exh. unit amb. gauge

 0 – 2 ___________________________________________________________________ 

 14 – 16 _________________________________________________________________ 

 28 – 30 _________________________________________________________________ 

 Work Schedule

Time/Min. Exercise

 2-4 walk - 3mph 

 4-5 vertical 

 5-7 walk - 3mph 

 7-12 rope pull - 60x5 min. 

 12-13 walk - 3mph 

 13-14 overcast - 1x1min 

 16-19 walk - 3mph 

 19-20 run - 6mph 

 20-23 overcast - 2x3min 

23-28 rope pull - 60x5min. 

Test Engineer: PASS FAIL________ 

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MAN TEST # 4 - 45 MINUTES

PROJECT NO: DATE: __________ 

Subject: Age: __________ 

Subject weight: Initial - Final - _______________ 

 

RESPIRATOR TYPE: 45 Minute 

Unit weight: Initial - Final - _______________ 

Observers: ___________________________________________________ 

 Sampling Schedule

Time/Min. Gas Percent Pulse Resp. Resistance Temperature Press. 

 CO2 02 bpm rpm inh. exh. unit amb. gauge

 0 – 2 ___________________________________________________________________ 

 17 – 19 _________________________________________________________________ 

 31 - 33 _________________________________________________________________ 

 43 - 45 _________________________________________________________________ 

Comments : 

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_____________________________________________________________________________________

_____________________________________________________________________________________

_____________________________________________________________________________________

_____________________________________________________________________________________ 

Test Engineer: PASS FAIL________ 

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 Work Schedule

Time/Min. Exercise

 2-4 walk - 3mph 

 4-5 vertical 

 5-7 walk - 3mph 

 7-12 rope pull - 60x5 min. 

 12-14 walk - 3mph 

 14-17 overcast - 2x3min 

 19-22 walk - 3mph 

 

 22-23 run - 6mph 

 23-29 overcast - 4x6min 

 29-31 rope pull - 30x2min. 

 33-35 walk - 3mph 

 35-40 rope pull - 60x5 min. 

 40-42 overcast - 1x2min. 

 42-43 carry 45lb weight & walk 3mph 

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Procedure No. RCT-ASR-STP-0121A Revision: 1.1 Date: 21 September 2005 Page 20 of 31 

MAN TEST # 4 - 1 HOUR

PROJECT NO: DATE: __________ 

Subject: Age: __________ 

Subject weight: Initial - Final - _______________ 

 

RESPIRATOR TYPE: 1 Hour 

Unit weight: Initial - Final - _______________ 

Observers: 

 Sampling Schedule

Time/Min. Gas Percent Pulse Resp. Resistance Temperature Press. 

 CO2 02 bpm rpm inh. exh. unit amb. gauge

 0 – 2 ___________________________________________________________________ 

 23 – 25 _________________________________________________________________ 

 42 – 44 _________________________________________________________________ 

 58 – 60 _________________________________________________________________ 

Comments : 

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________ 

Test Engineer: PASS FAIL________ 

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 Work Schedule

Time/Min. Exercise

 2-4 walk - 3mph 

 4-5 vertical 

 5-7 walk - 3mph 

 7-12 rope pull - 60x5 min. 

 12-15 walk - 3mph 

 15-23 overcast - 4x8min 

 25-29 walk - 3mph 

 

 29-30 run - 6mph 

 30-39 overcast - 6x9min 

 39-42 rope pull - 36x3min. 

 44-50 walk - 3mph 

 50-55 rope pull - 60x5 min. 

 55-58 carry 45lb weight & walk 3mph 

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MAN TEST # 4 - 2 HOURS

PROJECT NO: DATE: __________ 

Subject: Age: __________ 

Subject weight: Initial - Final - _______________ 

 

RESPIRATOR TYPE: 2Hours 

Unit weight: Initial - Final - _______________ 

Observers: 

 Sampling Schedule

Time/Min. Gas Percent Pulse Resp. Resistance Temperature Press. 

 CO2 02 bpm rpm inh. exh. unit amb. gauge

 0 – 2 __________________________________________________________________ 

 10 – 12 ________________________________________________________________ 

 20 – 22 ________________________________________________________________ 

 28 – 32 ________________________________________________________________ 

 

 53 – 55 ________________________________________________________________ 

 72 – 74 ________________________________________________________________ 

 88 – 92 ________________________________________________________________ 

 100 – 102 ______________________________________________________________ 

 110 – 112 ______________________________________________________________ 

 118 – 120 ______________________________________________________________ 

Comments : 

______________________________________________________________________________

______________________________________________________________________________ 

Test Engineer: PASS FAIL________ 

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 Work Schedule

Time/Min. Exercise

 2-10 walk - 3mph 

 12-20 walk - 3mph 

 22-28 walk - 3mph 

 32-34 walk - 3mph 

 34-35 vertical 

 35-37 walk - 3mph 

 37-42 rope pull - 60x5 min. 

 

 42-45 walk - 3mph 

 45-53 overcast - 4x8min 

 55-59 walk - 3mph 

 59-60 run - 6mph 

 60-69 overcast - 6x9min 

 69-72 rope pull - 36x3 min. 

 74-80 walk - 3mph 

 80-85 rope pull - 60x5 min. 

 85-88 carry 45lb weight & walk 3mph 

 92-100 walk - 3mph 

 102-110 walk - 3mph 

 112-118 walk - 3mph 

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MAN TEST # 4 - 3 HOURS

PROJECT NO: DATE: __________ 

Subject: Age: __________ 

Subject weight: Initial - Final - _______________ 

 

RESPIRATOR TYPE: 3Hours 

Unit weight: Initial - Final - _______________ 

Observers: ___________________________________________________ 

 Sampling Schedule

Time/Min. Gas Percent Pulse Resp. Resistance Temperature Press. 

 CO2 02 bpm rpm inh. exh. unit amb. gauge

 0 – 2 ___________________________________________________________________ 

 20 – 22 _________________________________________________________________ 

 40 – 42 _________________________________________________________________ 

 58 – 62 _________________________________________________________________ 

 

 83 – 85 _________________________________________________________________ 

 102 – 104 _______________________________________________________________ 

 118 – 122 _______________________________________________________________ 

 140 – 142 _______________________________________________________________ 

 160 – 162 _______________________________________________________________ 

 178 – 180 _______________________________________________________________ 

Comments : 

______________________________________________________________________________

______________________________________________________________________________ 

Test Engineer: PASS FAIL________ 

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Work Schedule

Time/Min. Exercise

 2-20 walk - 3mph 

 22-40 walk - 3mph 

 42-58 walk - 3mph 

 62-634 walk - 3mph 

 64-65 vertical 

 65-67 walk - 3mph 

 67-72 rope pull - 60x5 min. 

 72-75 walk - 3mph 

 75-83 overcast - 4x8min 

 85-89 walk - 3mph 

 89-90 run - 6mph 

 90-99 overcast - 6x9min 

 99-102 rope pull - 36x3 min. 

 104-110 walk - 3mph 

 110-115 rope pull - 60x5 min. 

 115-118 carry 45lb weight & walk 3mph 

 122-140 walk - 3mph 

 142-160 walk - 3mph 

 162-178 walk - 3mph 

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Procedure No. RCT-ASR-STP-0121A Revision: 1.1 Date: 21 September 2005 Page 26 of 31 

MAN TEST # 4 - 4 HOUR

PROJECT NO: DATE: __________ 

Subject: Age: __________ 

Subject weight: Initial - Final - _______________ 

 

RESPIRATOR TYPE: 4 hour 

Unit weight: Initial - Final - _______________ 

Observers: ___________________________________________________ 

 Sampling Schedule

Time/Min. Gas Percent Pulse Resp. Resistance Temperature Press. 

 CO2 02 bpm rpm inh. exh. unit amb. gauge

 0-2 ____________________________________________________________________ 

 20-22 ___________________________________________________________________ 

 40-42 ___________________________________________________________________ 

 58-62 ___________________________________________________________________ 

 83-85 ___________________________________________________________________ 

 102-104 __________________________________________________________________ 

 118-122 __________________________________________________________________ 

 140-142 __________________________________________________________________ 

 

 160-162 __________________________________________________________________ 

 178-182 __________________________________________________________________ 

 200-202 __________________________________________________________________ 

 220-222 __________________________________________________________________ 

 238-240 __________________________________________________________________ 

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Procedure No. RCT-ASR-STP-0121A Revision: 1.1 Date: 21 September 2005 Page 27 of 31 

Work Schedule

Time/Min. Exercise

2-20 walk - 3mph 

22-40 walk - 3mph 

42-58 walk - 3mph 

62-64 walk - 3mph 

64-65 vertical 

65-67 walk - 3mph 

67-72 rope pull - 60x5min 

72-75 walk - 3mph 

75-83 overcast - 4x8min 

85-89 walk - 3mph 

89-90 run - 6mph 

90-99 overcast - 6x9min 

99-102 rope pull - 36x3min 

104-110 walk - 3mph 

110-115 rope pull - 60x6min 

115-118 carry 45lb weight & walk 3mph 

122-140 walk - 3mph 

142-160 walk - 3mph 

162-178 walk - 3mph 

182-200 walk - 3mph 

202-220 walk - 3mph 

222-238 walk - 3mph 

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Procedure No. RCT-ASR-STP-0121A Revision: 1.1 Date: 21 September 2005 Page 28 of 31 

Comments : 

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Test Engineer: PASS FAIL________ 

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Procedure No. RCT-ASR-STP-0121A Revision: 1.1 Date: 21 September 2005 Page 30 of 31 

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Procedure No. RCT-ASR-STP-0121A Revision: 1.1 Date: 21 September 2005 Page 31 of 31 

Revision History 

Revision Date Reason for Revision 

1.0 14 February 

2001 

Historic document 

1.1 21 September 

2005 

Update header and format to reflect lab move from Morgantown, WV 

No changes to method 

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