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(e) Dioctyl-phthalate test. (1) All canisters submitted for use with front

Type of canister or cartridge mounted and back-mounted gas mask pesticide respirators will be tested in

Powered air purifying with tight-fitting tacepiece. an atmospheric concentration of 100

Powered air-puritying with loose-fitting hood or

helmet micrograms of dioctyl-phthalate per liter of air at continuous flow rates of (v) Two canisters, cartridges, 32 and 85 liters per minute for a test pe- of cartridges will be equilibre riod of 5 to 10 seconds.

room temperature by passing (2) The DOP leakage through the can- cent relative humidity air t ister shall not exceed 0.03 percent of

them at the flow rates stated i the ambient DOP concentration.

graph (1)(1)(iv) of this section (1) Bench tests for pesticide respirators.

hours. (1)(1) Bench tests will be made on an

(vi) The equilibrated canisters apparatus that allows the test atmos

tridges will be resealed, kept in phere at 5045 percent relative humidity

right position at room temper and at room temperature (25°+2.5° C.) to

and tested within 18 hours. enter the canister or cartridge at pre

(2) Canisters and cartridges tes determined concentrations and rates of

accordance with the provisions

section shall meet the require flow, and that has a means for determining the test life of the canister or

specified in Table 14 of this subpaj cartridge against carbon tetrachloride. 884.1157 Chemical cartridge

(ii) Canisters and cartridges will be pirators with particulate i tested as they are used on each pes

performance requirements; gel ticide respirator, either singly or in Chemical cartridge respirators pairs.

particulate filters and the indiv (iil) Three canisters or cartridges or components of each such device pairs of cartridges will be removed as appropriate, meet the folla from containers and tested as received minimum requirements for perf from the applicant.

ance and protection: (iv) Two canisters, cartridges, or

(a) Breathing resistance test. (1) Re pairs of cartridges will be equilibrated

ance to airflow will be measured ir at room temperature by passing 25 per

facepiece, mouthpiece, hood, or hel cent relative humidity air through

of a

chemical cartridge respir them at the following flow rates (ex

mounted on a test fixture with pressed as liters per minute (1.p.m.))

flowing at a continuous rate of 85 11 for 6 hours:

per minute, both before and after €

test conducted in accordance Airflow

paragraphs (d) through (1) of this Type of canister or cartridge

tion. I.p.m.

(2) The maximum allowable res Air-purifying canister

ance requirements for chemical Air-puritying cartridge

tridge respirators are as follows: MAXIMUM RESISTANCE (mm. water-column height]



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her filters for protection against (e) Enamel mist test. (1) Temperature at paints, lacquers, and enamels in the test chamber will be approxi1 be tested in accordance with the mately 25° C. sions of paragraph (1) of this sec- (2) Continuous airflow through the

respirator will be 32 liters per minute In addition to the test require for air-purifying respirators, and not

set forth in paragraph (c)(1) of less than 115 liters per minute to tightrection, three such respirators will fitting facepieces and 170 liters per sted against each aerosol in ac

minute to loose-fitting hoods and helance with the provisions of para

mets of powered air-purifying resris(d) and (e) of this section.


(3) Airflow through the chamber will Lacquer mist test. (1) Temperature te test chamber will be approxi

be 20–25 air changes per minute.

(4) The atomizer employed will be a y S* C.

No. 64 nozzle with setup 1A, or equivaContinuous airflow through the

lent, operating at 69 kN/m.2 (10 pounds stor will be 32 liters per minute

per square inch gage). IF-purifying respirators, and not (5) The test aerosol will be prepared man 115 liters per minute to tight by atomizing a mixture of 1 volume of facepieces and 170 liters per

white enamel and 1 volume of turpenale to loose-fitting hoods and hel- tine. The enamel described in Federal of powered air-purifying res- Specification TT-E-489b, May 12, 1963,

with amendment-1 of 9 November 1956 Airflow through the chamber will is an example of an acceptable enamel. - air changes per minute.

Copies of TT-E-489b may be inspected The atomizer employed will be a or obtained from the NIOSH, Certifi$45 nozzle with setup 3, or equiva- cation and Quality Assurance Branch,

operating at 69 kN/m.? (10 pounds 1095 Willowdale Road, Morgantown, WV square inch gage).

26505-2888. The test aerosol will be prepared

(6) The concentration of pigment in stomizing a mixture of one volume

the test aerosol, weighed as ash, will be lear cellulose nitrate lacquer and

95-125 milligrams per cubic meter. sa volume of lacquer thinner. The lac

(7) The test aerosol will be drawn to a described in Federal Specification

each respirator for a total of 156 minTH, October 7, 1953, is an example

utes for air-purifying respirators and to acceptable lacquer. Copies of TT

240 minutes for power air-purifying reshit may be inspected or obtained from pirators. NIOSH, Certification and Quality

(8) The total amount of unretained Asurance Branch, 1095 Willowdale

mist in the samples taken during testBoad, Morgantown, WV 26505–2888.

ing, weighed as ash, shall not exceed 1.5 0 The concentration of cellulose ni

milligrams for any air-purifying respate in the test aerosol will be 95–125

pirator, 8.3 milligrams for a powered Alligrams per cubic meter.

air-purifying respirator with tight-fitO The test aerosol will be drawn to

ting facepiece, and 12.3 milligrams for Beh respirator for a total of 156 min

a powered air-purifying respirator with

loose-fitting hood or helmet. des for air-purifying respirators and (1) Bench tests; gas and vapor tests. (1) minutes for powered air-purifying Bench tests will be made in accordance

with $84.207 and tested cartridges shall ®) The total amount of unretained

meet the minimum requirements set meist in the samples taken during test- forth in Table 11 of subpart L of this 25

, weighed as cellulose nitrate, shall not exceed 5 milligrams for an air-puri

part. Cartridges will be equilibrated in

accordance with paragraph (1)(2) of this fying respirator, 28 milligrams for a section. powered air-purifying respirator with (2)(i) Two powered air-purifying cartight-fitting facepiece, and 41 milli- tridges or pairs of cartridges will be trams for a powered air-purifying res- equilibrated at room temperature by pirator with loose-fitting hood or hel- passing 25 percent relative humidity

air through them at the following flow




rates (expressed in liters per minute $84.1158 Dust, fume, and mist (1.p.m.)) for 6 hours:

respirators with filters; mi

requirements, general.

Type of cartridge


(a) Three respirators with car Lp.m. containing, or having attach

them, filters for protection a Powered air purifying with tight-fitting facepiece ... Powered air puritying with loose-fitting hood or

dusts, fumes, and mists, excej helmet

170 mists of paints, lacquers, and en

will be tested in accordance wit (11) Two powered air-purifying car- provisions of $84.1157(1). tridges or pairs of cartridges will be (b) In addition to the test re equilibrated by passing 85 percent rel

ments set forth in paragraph (a) ( ative humidity air through them at the section, three such respirators w flow rates stated in paragraph (1)(2)(1) tested, as appropriate, in accor of this section.

with the provisions of $$ 84.1141 thi (iii) All cartridges will be resealed,

84.1152; however, the maximum a kept in an upright position, at room

able resistance of complete dust, 1

and mist, and gas, vapor, or gas temperatures, and tested within 18 hours.

vapor chemical cartridge respir shall not exceed the maximum al able limits set forth in 884.1157(a)(2


(42 CFR Part 84, Subpart KKI

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[42 CFR Part 84, Subpart KK?

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Ke CFR part 84. Subpart Klo

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y back-mounted gas mask (es received)


64 od or back mounted gas mask (equilibrated

20.000 eges mest les received)

5.000 pas mest equilibrated)

5.000 a terridge respirator (as received)


64 1,000

32 rator (tight-fitting facepiece, as received). 1,000

2115 se surtying respirator (light-fitting tacepiece, equilibrated) ... 1,000 2115 ** sunting respirator (hoose fitting hood or helmet, as re

1,000 5170 ir puritying respirator (loose fitting hood or helmet, equili

1,000 aan te will be determined at 5 p.p.m. leakage. the rate shall be the effective now rate of the device, but shall be not less than 115 lp.m. Stw rate shall be the effective low rate of the device, but shall be not less than 170 Lp.m.





PART 85-REQUESTS FOR HEALTH the use of other channels of commuHAZARD EVALUATIONS

nication with the National Institute for Occupational Safety and Health to

obtain information and technical asApplicability.

sistance concerning toxic substances or Definitions.

physical agents. Procedures for requesting health haz

(45 FR 2652, Jan. 14, 1980) and evaluations. BH Contents of a request for health hazand evaluations.

885.2 Definitions. !! Acting on requests.

Any term defined in the Occupational es Authority for investigations.

Safety and Health Act of 1970 or the Advance notice of visits.

Federal Mine Safety and Health Act of Conduct of investigations.

1977 and not defined below shall have U Provision of suitable space for em

the meaning given it in the respective Dipse interviews and examinations; tertification of employees.

Acts. As used in this part: 5) Representatives of employers and em

OSH Act means the Occupational ployees; employee requests.

Safety and Health Act of 1970 (29 U.S.C. 11 Imminent dangers.

651, et seq.). & Notification of determination to em- FMSH Act means the Federal Mine

ployers, affected employees, and Depart- Safety and Health Act of 1977 (30 U.S.C. ment of Labor.

801, et seq.). 3.12 Subsequent requests for health hazard

Authorized representative of employees evaluations.

means any person or organization AUTHORITY: Sec. 8(8), 84 Stat. 1600; 29 meeting the conditions specified in 1.S.C. 857(8) and sec. 508, 83 Stat. 803; 30 $85.3-1(e) (1), (2), or (3).

Employee has the same meaning as SOURCE: 37 FR 23640, Nov. 7, 1972, unless stated in the OSH Act and for the pur

poses of this part includes miner as de

fined in the FMSH Act. 186.1 Applicability.

Employer has the same meaning as This part 85 applies to health hazard stated in the OSH Act and for the purevaluations requested by any employer poses of this part includes Operator as of authorized representative of em- defined in the FMSH Act. ployees under section 20(a)(6) of the Oc- Health hazard evaluation means the cupational Safety and Health Act of investigation and the determination

of 1990 or section 501(a)(11) of the Federal potentially toxic or hazardous effects Mine Safety and Health Act of 1977. of: (a) Any substance normally used or This part is not intended to preclude found in any place of employment

D.S.C. 957.

wherwise noted.

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which the OSH Act is applicable, or (b) NIOSH, 4676 Columbia Parkway, any substance or physical agent nor- cinnati, OH 45226. mally used or found in any place of em- (2) Requests from mining industry ployment to which the FMSH Act is vironmental Investigations Branc) applicable.

vision of Respiratory Disease Stu Investigation means a physical inspec- NIOSH, 944 Chestnut Ridge Road, tion of the place of employment under gantown, WV 26505. section 8 of the OSH Act or section 103

(b) Requests for health hazard of the FMSH Act and includes inspec

uations shall be submitted in wr tion, sampling, observations, review of

and signed by either: (1) The emp pertinent records, and other measure- in whose place of employment the ments reasonably necessary to deter

stance or physical agent is norn mine whether any substance or phys- found, or (2) an authorized represe ical agent found in the place of em

tive of employees (see $85.3–1(e)) in ployment has potentially toxic or haz

place of employment where the ardous effects in the concentrations or

stance or physical agent is norn levels used or found.

found. NIOSH means the National Institute for Occupational Safety and Health, [45 FR 2653, Jan. 14, 1980) Center for Disease Control, Public Health Service, Department of Health

8 85.3-1 Contents of request and Human Services.

health hazard evaluation. NIOSH officer means a NIOSH em- Each request for health hazard e ployee who has been authorized by the uation shall contain: Director, NIOSH, to conduct investiga- (a) The requester's name, addr tions according to this part.

and telephone number, if any. Physical agent means any condition (b) The name and address of the pl produced by the environment and/or of employment where the substance work processes that can result in haz- physical agent is normally found. ardous effects as defined in this sec- (c) The specific process or type tion. Examples of physical agents are work which is the source of the si noise, temperature, illumination, vi

stance or physical agent, or in whi bration, radiation, and pressure.

the substance or physical agent is us Place of employment means any coal (d) Details of the conditions or or other mine, factory, plant, estab- cumstances which prompted the lishment, construction site, or other quest. area, workplace, or environment where

(e) A statement, if the requester work is performed by any employee of not the employer, that the requester an employer.

(1) An authorized representative Substance means any chemical or bio

an officer of the organization re logical agent or dust which has the po

resenting the employees for purposes tential to produce toxic effects.

collective bargaining; or Toxic effects or hazardous effects are

(2) An employee of the employer al those effects which result in short- or

is authorized by two or more emplo long-term disease, bodily injury, affect

ees employed in the same place of er health adversely, or endanger human

ployment to represent them for pu life.

poses of these Acts (each such autho (45 FR 2652, Jan. 14, 1980)

ization shall be in writing and a coj

submitted with the request for healt 885.3 Procedures for requesting hazard evaluation); or health hazard evaluations.

(3) One of three or less employees en (a) Requests for health hazard eval- ployed in the place of employmen uations should be addressed to the Na- where the substance or physical ager tional Institute for Occupational Safe- is normally found. ty and Health as follows:

(1) A statement indicating whether o (1) Requests from general industry. Haz- not the name(s) of the requester a ard Evaluations and Technical Assist- those persons who have authorized the ance Branch, Division of Surveillance, requester to represent them may be re Hazard Evaluations, and Field Studies, vealed to the employer by NIOSH.

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