apf stringclasses 8
values | derived_fields listlengths 2 2 | facepiece stringclasses 5
values | id stringlengths 50 142 | jurisdiction stringclasses 2
values | mode stringclasses 5
values | respirator_class stringclasses 6
values | source stringclasses 2
values | source_quote stringlengths 158 2.11k | url stringlengths 118 210 | verified_fields listlengths 2 4 | conditions stringclasses 3
values |
|---|---|---|---|---|---|---|---|---|---|---|---|
1,000 | [
"facepiece",
"jurisdiction"
] | Full facepiece | 29-cfr-1910-134-continuous-flow-mode-full-facepiece-supplied-air-respirator-sar-or-airline-respirator | 29 CFR 1910.134 | Continuous flow mode | Supplied-Air Respirator (SAR) or Airline Respirator | https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-I/section-1910.134 | Type of respirator 1 2 | Quarter mask | Half mask | Full facepiece | Helmet/hood | Loose-fitting facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | | | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline Respirator | | | | | | • Demand mode | ... | https://referencesource.org/respirator-assigned-protection-factors/29-cfr-1910-134-continuous-flow-mode-full-facepiece-supplied-air-respirator-sar-or-airline-respirator/ | [
"apf",
"mode",
"respirator_class"
] | null |
50 | [
"facepiece",
"jurisdiction"
] | Half mask | 29-cfr-1910-134-continuous-flow-mode-half-mask-supplied-air-respirator-sar-or-airline-respirator | 29 CFR 1910.134 | Continuous flow mode | Supplied-Air Respirator (SAR) or Airline Respirator | https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-I/section-1910.134 | Type of respirator 1 2 | Quarter mask | Half mask | Full facepiece | Helmet/hood | Loose-fitting facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | | | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline Respirator | | | | | | • Demand mode | ... | https://referencesource.org/respirator-assigned-protection-factors/29-cfr-1910-134-continuous-flow-mode-half-mask-supplied-air-respirator-sar-or-airline-respirator/ | [
"apf",
"mode",
"respirator_class"
] | null |
25/1,000 | [
"facepiece",
"jurisdiction"
] | Helmet/hood | 29-cfr-1910-134-continuous-flow-mode-helmet-hood-supplied-air-respirator-sar-or-airline-respirator | 29 CFR 1910.134 | Continuous flow mode | Supplied-Air Respirator (SAR) or Airline Respirator | https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-I/section-1910.134 | Type of respirator 1 2 | Quarter mask | Half mask | Full facepiece | Helmet/hood | Loose-fitting facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | | | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline Respirator | | | | | | • Demand mode | ... | https://referencesource.org/respirator-assigned-protection-factors/29-cfr-1910-134-continuous-flow-mode-helmet-hood-supplied-air-respirator-sar-or-airline-respirator/ | [
"apf",
"conditions",
"mode",
"respirator_class"
] | The employer must have evidence provided by the respirator manufacturer that testing of these respirators demonstrates performance at a level of protection of 1,000 or greater to receive an APF of 1,000. This level of performance can best be demonstrated by performing a WPF or SWPF study or equivalent testing. Absent s... |
25 | [
"facepiece",
"jurisdiction"
] | Loose-fitting facepiece | 29-cfr-1910-134-continuous-flow-mode-loose-fitting-facepiece-supplied-air-respirator-sar-or-airline-respirator | 29 CFR 1910.134 | Continuous flow mode | Supplied-Air Respirator (SAR) or Airline Respirator | https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-I/section-1910.134 | Type of respirator 1 2 | Quarter mask | Half mask | Full facepiece | Helmet/hood | Loose-fitting facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | | | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline Respirator | | | | | | • Demand mode | ... | https://referencesource.org/respirator-assigned-protection-factors/29-cfr-1910-134-continuous-flow-mode-loose-fitting-facepiece-supplied-air-respirator-sar-or-airline-respirator/ | [
"apf",
"mode",
"respirator_class"
] | null |
50 | [
"facepiece",
"jurisdiction"
] | Full facepiece | 29-cfr-1910-134-demand-mode-full-facepiece-self-contained-breathing-apparatus-scba | 29 CFR 1910.134 | Demand mode | Self-Contained Breathing Apparatus (SCBA) | https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-I/section-1910.134 | Type of respirator 1 2 | Quarter mask | Half mask | Full facepiece | Helmet/hood | Loose-fitting facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | | | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline Respirator | | | | | | • Demand mode | ... | https://referencesource.org/respirator-assigned-protection-factors/29-cfr-1910-134-demand-mode-full-facepiece-self-contained-breathing-apparatus-scba/ | [
"apf",
"mode",
"respirator_class"
] | null |
50 | [
"facepiece",
"jurisdiction"
] | Full facepiece | 29-cfr-1910-134-demand-mode-full-facepiece-supplied-air-respirator-sar-or-airline-respirator | 29 CFR 1910.134 | Demand mode | Supplied-Air Respirator (SAR) or Airline Respirator | https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-I/section-1910.134 | Type of respirator 1 2 | Quarter mask | Half mask | Full facepiece | Helmet/hood | Loose-fitting facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | | | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline Respirator | | | | | | • Demand mode | ... | https://referencesource.org/respirator-assigned-protection-factors/29-cfr-1910-134-demand-mode-full-facepiece-supplied-air-respirator-sar-or-airline-respirator/ | [
"apf",
"mode",
"respirator_class"
] | null |
10 | [
"facepiece",
"jurisdiction"
] | Half mask | 29-cfr-1910-134-demand-mode-half-mask-self-contained-breathing-apparatus-scba | 29 CFR 1910.134 | Demand mode | Self-Contained Breathing Apparatus (SCBA) | https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-I/section-1910.134 | Type of respirator 1 2 | Quarter mask | Half mask | Full facepiece | Helmet/hood | Loose-fitting facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | | | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline Respirator | | | | | | • Demand mode | ... | https://referencesource.org/respirator-assigned-protection-factors/29-cfr-1910-134-demand-mode-half-mask-self-contained-breathing-apparatus-scba/ | [
"apf",
"mode",
"respirator_class"
] | null |
10 | [
"facepiece",
"jurisdiction"
] | Half mask | 29-cfr-1910-134-demand-mode-half-mask-supplied-air-respirator-sar-or-airline-respirator | 29 CFR 1910.134 | Demand mode | Supplied-Air Respirator (SAR) or Airline Respirator | https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-I/section-1910.134 | Type of respirator 1 2 | Quarter mask | Half mask | Full facepiece | Helmet/hood | Loose-fitting facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | | | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline Respirator | | | | | | • Demand mode | ... | https://referencesource.org/respirator-assigned-protection-factors/29-cfr-1910-134-demand-mode-half-mask-supplied-air-respirator-sar-or-airline-respirator/ | [
"apf",
"mode",
"respirator_class"
] | null |
50 | [
"facepiece",
"jurisdiction"
] | Helmet/hood | 29-cfr-1910-134-demand-mode-helmet-hood-self-contained-breathing-apparatus-scba | 29 CFR 1910.134 | Demand mode | Self-Contained Breathing Apparatus (SCBA) | https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-I/section-1910.134 | Type of respirator 1 2 | Quarter mask | Half mask | Full facepiece | Helmet/hood | Loose-fitting facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | | | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline Respirator | | | | | | • Demand mode | ... | https://referencesource.org/respirator-assigned-protection-factors/29-cfr-1910-134-demand-mode-helmet-hood-self-contained-breathing-apparatus-scba/ | [
"apf",
"mode",
"respirator_class"
] | null |
50 | [
"facepiece",
"jurisdiction"
] | Full facepiece | 29-cfr-1910-134-full-facepiece-air-purifying-respirator | 29 CFR 1910.134 | null | Air-Purifying Respirator | https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-I/section-1910.134 | Type of respirator 1 2 | Quarter mask | Half mask | Full facepiece | Helmet/hood | Loose-fitting facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | | | | https://referencesource.org/respirator-assigned-protection-factors/29-cfr-1910-134-full-facepiece-air-purifying-respirator/ | [
"apf",
"respirator_class"
] | null |
1,000 | [
"facepiece",
"jurisdiction"
] | Full facepiece | 29-cfr-1910-134-full-facepiece-powered-air-purifying-respirator-papr | 29 CFR 1910.134 | null | Powered Air-Purifying Respirator (PAPR) | https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-I/section-1910.134 | Type of respirator 1 2 | Quarter mask | Half mask | Full facepiece | Helmet/hood | Loose-fitting facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | | | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | | https://referencesource.org/respirator-assigned-protection-factors/29-cfr-1910-134-full-facepiece-powered-air-purifying-respirator-papr/ | [
"apf",
"respirator_class"
] | null |
10 | [
"facepiece",
"jurisdiction"
] | Half mask | 29-cfr-1910-134-half-mask-air-purifying-respirator | 29 CFR 1910.134 | null | Air-Purifying Respirator | https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-I/section-1910.134 | Type of respirator 1 2 | Quarter mask | Half mask | Full facepiece | Helmet/hood | Loose-fitting facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | | | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline Respirator | | | | | | • Demand mode | ... | https://referencesource.org/respirator-assigned-protection-factors/29-cfr-1910-134-half-mask-air-purifying-respirator/ | [
"apf",
"conditions",
"respirator_class"
] | This APF category includes filtering facepieces, and half masks with elastomeric facepieces. |
50 | [
"facepiece",
"jurisdiction"
] | Half mask | 29-cfr-1910-134-half-mask-powered-air-purifying-respirator-papr | 29 CFR 1910.134 | null | Powered Air-Purifying Respirator (PAPR) | https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-I/section-1910.134 | Type of respirator 1 2 | Quarter mask | Half mask | Full facepiece | Helmet/hood | Loose-fitting facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | | | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | | https://referencesource.org/respirator-assigned-protection-factors/29-cfr-1910-134-half-mask-powered-air-purifying-respirator-papr/ | [
"apf",
"respirator_class"
] | null |
25/1,000 | [
"facepiece",
"jurisdiction"
] | Helmet/hood | 29-cfr-1910-134-helmet-hood-powered-air-purifying-respirator-papr | 29 CFR 1910.134 | null | Powered Air-Purifying Respirator (PAPR) | https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-I/section-1910.134 | Type of respirator 1 2 | Quarter mask | Half mask | Full facepiece | Helmet/hood | Loose-fitting facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | | | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline Respirator | | | | | | • Demand mode | ... | https://referencesource.org/respirator-assigned-protection-factors/29-cfr-1910-134-helmet-hood-powered-air-purifying-respirator-papr/ | [
"apf",
"conditions",
"respirator_class"
] | The employer must have evidence provided by the respirator manufacturer that testing of these respirators demonstrates performance at a level of protection of 1,000 or greater to receive an APF of 1,000. This level of performance can best be demonstrated by performing a WPF or SWPF study or equivalent testing. Absent s... |
25 | [
"facepiece",
"jurisdiction"
] | Loose-fitting facepiece | 29-cfr-1910-134-loose-fitting-facepiece-powered-air-purifying-respirator-papr | 29 CFR 1910.134 | null | Powered Air-Purifying Respirator (PAPR) | https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-I/section-1910.134 | Type of respirator 1 2 | Quarter mask | Half mask | Full facepiece | Helmet/hood | Loose-fitting facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | | | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | | https://referencesource.org/respirator-assigned-protection-factors/29-cfr-1910-134-loose-fitting-facepiece-powered-air-purifying-respirator-papr/ | [
"apf",
"respirator_class"
] | null |
10,000 | [
"facepiece",
"jurisdiction"
] | Full facepiece | 29-cfr-1910-134-pressure-demand-or-other-positive-pressure-mode-e-g-open-closed-circuit-full-facepiece-self-contained-breathing-apparatus-scba | 29 CFR 1910.134 | Pressure-demand or other positive-pressure mode (e.g., open/closed circuit) | Self-Contained Breathing Apparatus (SCBA) | https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-I/section-1910.134 | Type of respirator 1 2 | Quarter mask | Half mask | Full facepiece | Helmet/hood | Loose-fitting facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | | | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline Respirator | | | | | | • Demand mode | ... | https://referencesource.org/respirator-assigned-protection-factors/29-cfr-1910-134-pressure-demand-or-other-positive-pressure-mode-e-g-open-closed-circuit-full-facepiece-self-contained-breathing-apparatus-scba/ | [
"apf",
"mode",
"respirator_class"
] | null |
10,000 | [
"facepiece",
"jurisdiction"
] | Helmet/hood | 29-cfr-1910-134-pressure-demand-or-other-positive-pressure-mode-e-g-open-closed-circuit-helmet-hood-self-contained-breathing-apparatus-scba | 29 CFR 1910.134 | Pressure-demand or other positive-pressure mode (e.g., open/closed circuit) | Self-Contained Breathing Apparatus (SCBA) | https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-I/section-1910.134 | Type of respirator 1 2 | Quarter mask | Half mask | Full facepiece | Helmet/hood | Loose-fitting facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | | | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline Respirator | | | | | | • Demand mode | ... | https://referencesource.org/respirator-assigned-protection-factors/29-cfr-1910-134-pressure-demand-or-other-positive-pressure-mode-e-g-open-closed-circuit-helmet-hood-self-contained-breathing-apparatus-scba/ | [
"apf",
"mode",
"respirator_class"
] | null |
1,000 | [
"facepiece",
"jurisdiction"
] | Full facepiece | 29-cfr-1910-134-pressure-demand-or-other-positive-pressure-mode-full-facepiece-supplied-air-respirator-sar-or-airline-respirator | 29 CFR 1910.134 | Pressure-demand or other positive-pressure mode | Supplied-Air Respirator (SAR) or Airline Respirator | https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-I/section-1910.134 | Type of respirator 1 2 | Quarter mask | Half mask | Full facepiece | Helmet/hood | Loose-fitting facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | | | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline Respirator | | | | | | • Demand mode | ... | https://referencesource.org/respirator-assigned-protection-factors/29-cfr-1910-134-pressure-demand-or-other-positive-pressure-mode-full-facepiece-supplied-air-respirator-sar-or-airline-respirator/ | [
"apf",
"mode",
"respirator_class"
] | null |
50 | [
"facepiece",
"jurisdiction"
] | Half mask | 29-cfr-1910-134-pressure-demand-or-other-positive-pressure-mode-half-mask-supplied-air-respirator-sar-or-airline-respirator | 29 CFR 1910.134 | Pressure-demand or other positive-pressure mode | Supplied-Air Respirator (SAR) or Airline Respirator | https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-I/section-1910.134 | Type of respirator 1 2 | Quarter mask | Half mask | Full facepiece | Helmet/hood | Loose-fitting facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | | | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline Respirator | | | | | | • Demand mode | ... | https://referencesource.org/respirator-assigned-protection-factors/29-cfr-1910-134-pressure-demand-or-other-positive-pressure-mode-half-mask-supplied-air-respirator-sar-or-airline-respirator/ | [
"apf",
"mode",
"respirator_class"
] | null |
5 | [
"facepiece",
"jurisdiction"
] | Quarter mask | 29-cfr-1910-134-quarter-mask-air-purifying-respirator | 29 CFR 1910.134 | null | Air-Purifying Respirator | https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-I/section-1910.134 | Type of respirator 1 2 | Quarter mask | Half mask | Full facepiece | Helmet/hood | Loose-fitting facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | | | | https://referencesource.org/respirator-assigned-protection-factors/29-cfr-1910-134-quarter-mask-air-purifying-respirator/ | [
"apf",
"respirator_class"
] | null |
1,000 | [
"facepiece",
"jurisdiction"
] | Full facepiece | title-8-section-5144-continuous-flow-mode-full-facepiece-supplied-air-respirator-sar | Title 8, Section 5144 | Continuous flow mode | Supplied-Air Respirator (SAR) | https://www.dir.ca.gov/title8/5144.html | 2. A combination full facepiece pressure demand supplied-air respirator (SAR) with auxiliary self-contained air supply. (B) Respirators provided only for escape from IDLH atmospheres shall be NIOSH-certified for escape from the atmosphere in which they will be used. (C) All oxygen-deficient atmospheres shall be conside... | https://referencesource.org/respirator-assigned-protection-factors/title-8-section-5144-continuous-flow-mode-full-facepiece-supplied-air-respirator-sar/ | [
"apf",
"mode",
"respirator_class"
] | null |
50 | [
"facepiece",
"jurisdiction"
] | Half mask | title-8-section-5144-continuous-flow-mode-half-mask-supplied-air-respirator-sar | Title 8, Section 5144 | Continuous flow mode | Supplied-Air Respirator (SAR) | https://www.dir.ca.gov/title8/5144.html | Loose- | | Quarter | | Full | | fitting | Type of respirator 1,2 | mask | Half mask | facepiece | Helmet/hood | facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | ...... | ...... | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline | | | | | ... | https://referencesource.org/respirator-assigned-protection-factors/title-8-section-5144-continuous-flow-mode-half-mask-supplied-air-respirator-sar/ | [
"apf",
"mode",
"respirator_class"
] | null |
25/1,000 | [
"facepiece",
"jurisdiction"
] | Helmet/hood | title-8-section-5144-continuous-flow-mode-helmet-hood-supplied-air-respirator-sar | Title 8, Section 5144 | Continuous flow mode | Supplied-Air Respirator (SAR) | https://www.dir.ca.gov/title8/5144.html | Loose- | | Quarter | | Full | | fitting | Type of respirator 1,2 | mask | Half mask | facepiece | Helmet/hood | facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | ...... | ...... | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline | | | | | ... | https://referencesource.org/respirator-assigned-protection-factors/title-8-section-5144-continuous-flow-mode-helmet-hood-supplied-air-respirator-sar/ | [
"apf",
"conditions",
"mode",
"respirator_class"
] | The employer must have evidence provided by the respirator manufacturer that testing of these respirators demonstrates performance at a level of protection of 1,000 or greater to receive an APF of 1,000. This level of performance can best be demonstrated by performing a Workplace Protection Factor (WPF) or simulated WP... |
25 | [
"facepiece",
"jurisdiction"
] | Loose-fitting facepiece | title-8-section-5144-continuous-flow-mode-loose-fitting-facepiece-supplied-air-respirator-sar | Title 8, Section 5144 | Continuous flow mode | Supplied-Air Respirator (SAR) | https://www.dir.ca.gov/title8/5144.html | Loose- | | Quarter | | Full | | fitting | Type of respirator 1,2 | mask | Half mask | facepiece | Helmet/hood | facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | ...... | ...... | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline | | | | | ... | https://referencesource.org/respirator-assigned-protection-factors/title-8-section-5144-continuous-flow-mode-loose-fitting-facepiece-supplied-air-respirator-sar/ | [
"apf",
"mode",
"respirator_class"
] | null |
50 | [
"facepiece",
"jurisdiction"
] | Full facepiece | title-8-section-5144-demand-mode-full-facepiece-self-contained-breating-apparatus-scba | Title 8, Section 5144 | Demand mode | Self-Contained Breating Apparatus (SCBA) | https://www.dir.ca.gov/title8/5144.html | 2. A combination full facepiece pressure demand supplied-air respirator (SAR) with auxiliary self-contained air supply. (B) Respirators provided only for escape from IDLH atmospheres shall be NIOSH-certified for escape from the atmosphere in which they will be used. (C) All oxygen-deficient atmospheres shall be conside... | https://referencesource.org/respirator-assigned-protection-factors/title-8-section-5144-demand-mode-full-facepiece-self-contained-breating-apparatus-scba/ | [
"apf",
"mode",
"respirator_class"
] | null |
50 | [
"facepiece",
"jurisdiction"
] | Full facepiece | title-8-section-5144-demand-mode-full-facepiece-supplied-air-respirator-sar | Title 8, Section 5144 | Demand mode | Supplied-Air Respirator (SAR) | https://www.dir.ca.gov/title8/5144.html | 2. A combination full facepiece pressure demand supplied-air respirator (SAR) with auxiliary self-contained air supply. (B) Respirators provided only for escape from IDLH atmospheres shall be NIOSH-certified for escape from the atmosphere in which they will be used. (C) All oxygen-deficient atmospheres shall be conside... | https://referencesource.org/respirator-assigned-protection-factors/title-8-section-5144-demand-mode-full-facepiece-supplied-air-respirator-sar/ | [
"apf",
"mode",
"respirator_class"
] | null |
10 | [
"facepiece",
"jurisdiction"
] | Half mask | title-8-section-5144-demand-mode-half-mask-self-contained-breating-apparatus-scba | Title 8, Section 5144 | Demand mode | Self-Contained Breating Apparatus (SCBA) | https://www.dir.ca.gov/title8/5144.html | Loose- | | Quarter | | Full | | fitting | Type of respirator 1,2 | mask | Half mask | facepiece | Helmet/hood | facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | ...... | ...... | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline | | | | | ... | https://referencesource.org/respirator-assigned-protection-factors/title-8-section-5144-demand-mode-half-mask-self-contained-breating-apparatus-scba/ | [
"apf",
"mode",
"respirator_class"
] | null |
10 | [
"facepiece",
"jurisdiction"
] | Half mask | title-8-section-5144-demand-mode-half-mask-supplied-air-respirator-sar | Title 8, Section 5144 | Demand mode | Supplied-Air Respirator (SAR) | https://www.dir.ca.gov/title8/5144.html | Loose- | | Quarter | | Full | | fitting | Type of respirator 1,2 | mask | Half mask | facepiece | Helmet/hood | facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | ...... | ...... | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline | | | | | ... | https://referencesource.org/respirator-assigned-protection-factors/title-8-section-5144-demand-mode-half-mask-supplied-air-respirator-sar/ | [
"apf",
"mode",
"respirator_class"
] | null |
50 | [
"facepiece",
"jurisdiction"
] | Helmet/hood | title-8-section-5144-demand-mode-helmet-hood-self-contained-breating-apparatus-scba | Title 8, Section 5144 | Demand mode | Self-Contained Breating Apparatus (SCBA) | https://www.dir.ca.gov/title8/5144.html | Loose- | | Quarter | | Full | | fitting | Type of respirator 1,2 | mask | Half mask | facepiece | Helmet/hood | facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | ...... | ...... | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline | | | | | ... | https://referencesource.org/respirator-assigned-protection-factors/title-8-section-5144-demand-mode-helmet-hood-self-contained-breating-apparatus-scba/ | [
"apf",
"mode",
"respirator_class"
] | null |
50 | [
"facepiece",
"jurisdiction"
] | Full facepiece | title-8-section-5144-full-facepiece-air-purifying-respirator | Title 8, Section 5144 | null | Air-Purifying Respirator | https://www.dir.ca.gov/title8/5144.html | 2. A combination full facepiece pressure demand supplied-air respirator (SAR) with auxiliary self-contained air supply. (B) Respirators provided only for escape from IDLH atmospheres shall be NIOSH-certified for escape from the atmosphere in which they will be used. (C) All oxygen-deficient atmospheres shall be conside... | https://referencesource.org/respirator-assigned-protection-factors/title-8-section-5144-full-facepiece-air-purifying-respirator/ | [
"apf",
"respirator_class"
] | null |
1,000 | [
"facepiece",
"jurisdiction"
] | Full facepiece | title-8-section-5144-full-facepiece-powered-air-purifying-respirator-papr | Title 8, Section 5144 | null | Powered Air-Purifying Respirator (PAPR) | https://www.dir.ca.gov/title8/5144.html | 2. A combination full facepiece pressure demand supplied-air respirator (SAR) with auxiliary self-contained air supply. (B) Respirators provided only for escape from IDLH atmospheres shall be NIOSH-certified for escape from the atmosphere in which they will be used. (C) All oxygen-deficient atmospheres shall be conside... | https://referencesource.org/respirator-assigned-protection-factors/title-8-section-5144-full-facepiece-powered-air-purifying-respirator-papr/ | [
"apf",
"respirator_class"
] | null |
10 | [
"facepiece",
"jurisdiction"
] | Half mask | title-8-section-5144-half-mask-air-purifying-respirator | Title 8, Section 5144 | null | Air-Purifying Respirator | https://www.dir.ca.gov/title8/5144.html | Loose- | | Quarter | | Full | | fitting | Type of respirator 1,2 | mask | Half mask | facepiece | Helmet/hood | facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | ...... | ...... | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline | | | | | ... | https://referencesource.org/respirator-assigned-protection-factors/title-8-section-5144-half-mask-air-purifying-respirator/ | [
"apf",
"conditions",
"respirator_class"
] | This APF category includes filtering facepieces, and half masks with elastomeric facepieces. |
50 | [
"facepiece",
"jurisdiction"
] | Half mask | title-8-section-5144-half-mask-powered-air-purifying-respirator-papr | Title 8, Section 5144 | null | Powered Air-Purifying Respirator (PAPR) | https://www.dir.ca.gov/title8/5144.html | Loose- | | Quarter | | Full | | fitting | Type of respirator 1,2 | mask | Half mask | facepiece | Helmet/hood | facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | ...... | ...... | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | | https://referencesource.org/respirator-assigned-protection-factors/title-8-section-5144-half-mask-powered-air-purifying-respirator-papr/ | [
"apf",
"respirator_class"
] | null |
25/1,000 | [
"facepiece",
"jurisdiction"
] | Helmet/hood | title-8-section-5144-helmet-hood-powered-air-purifying-respirator-papr | Title 8, Section 5144 | null | Powered Air-Purifying Respirator (PAPR) | https://www.dir.ca.gov/title8/5144.html | Loose- | | Quarter | | Full | | fitting | Type of respirator 1,2 | mask | Half mask | facepiece | Helmet/hood | facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | ...... | ...... | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline | | | | | ... | https://referencesource.org/respirator-assigned-protection-factors/title-8-section-5144-helmet-hood-powered-air-purifying-respirator-papr/ | [
"apf",
"conditions",
"respirator_class"
] | The employer must have evidence provided by the respirator manufacturer that testing of these respirators demonstrates performance at a level of protection of 1,000 or greater to receive an APF of 1,000. This level of performance can best be demonstrated by performing a Workplace Protection Factor (WPF) or simulated WP... |
25 | [
"facepiece",
"jurisdiction"
] | Loose-fitting facepiece | title-8-section-5144-loose-fitting-facepiece-powered-air-purifying-respirator-papr | Title 8, Section 5144 | null | Powered Air-Purifying Respirator (PAPR) | https://www.dir.ca.gov/title8/5144.html | Loose- | | Quarter | | Full | | fitting | Type of respirator 1,2 | mask | Half mask | facepiece | Helmet/hood | facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | ...... | ...... | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | | https://referencesource.org/respirator-assigned-protection-factors/title-8-section-5144-loose-fitting-facepiece-powered-air-purifying-respirator-papr/ | [
"apf",
"respirator_class"
] | null |
10,000 | [
"facepiece",
"jurisdiction"
] | Full facepiece | title-8-section-5144-pressure-demand-or-other-positive-pressure-full-facepiece-self-contained-breating-apparatus-scba | Title 8, Section 5144 | Pressure-demand or other positive-pressure | Self-Contained Breating Apparatus (SCBA) | https://www.dir.ca.gov/title8/5144.html | 2. A combination full facepiece pressure demand supplied-air respirator (SAR) with auxiliary self-contained air supply. (B) Respirators provided only for escape from IDLH atmospheres shall be NIOSH-certified for escape from the atmosphere in which they will be used. (C) All oxygen-deficient atmospheres shall be conside... | https://referencesource.org/respirator-assigned-protection-factors/title-8-section-5144-pressure-demand-or-other-positive-pressure-full-facepiece-self-contained-breating-apparatus-scba/ | [
"apf",
"mode",
"respirator_class"
] | null |
1000 | [
"facepiece",
"jurisdiction"
] | Full facepiece | title-8-section-5144-pressure-demand-or-other-positive-pressure-full-facepiece-supplied-air-respirator-sar | Title 8, Section 5144 | Pressure-demand or other positive-pressure | Supplied-Air Respirator (SAR) | https://www.dir.ca.gov/title8/5144.html | 2. A combination full facepiece pressure demand supplied-air respirator (SAR) with auxiliary self-contained air supply. (B) Respirators provided only for escape from IDLH atmospheres shall be NIOSH-certified for escape from the atmosphere in which they will be used. (C) All oxygen-deficient atmospheres shall be conside... | https://referencesource.org/respirator-assigned-protection-factors/title-8-section-5144-pressure-demand-or-other-positive-pressure-full-facepiece-supplied-air-respirator-sar/ | [
"apf",
"mode",
"respirator_class"
] | null |
50 | [
"facepiece",
"jurisdiction"
] | Half mask | title-8-section-5144-pressure-demand-or-other-positive-pressure-half-mask-supplied-air-respirator-sar | Title 8, Section 5144 | Pressure-demand or other positive-pressure | Supplied-Air Respirator (SAR) | https://www.dir.ca.gov/title8/5144.html | Loose- | | Quarter | | Full | | fitting | Type of respirator 1,2 | mask | Half mask | facepiece | Helmet/hood | facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | ...... | ...... | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline | | | | | ... | https://referencesource.org/respirator-assigned-protection-factors/title-8-section-5144-pressure-demand-or-other-positive-pressure-half-mask-supplied-air-respirator-sar/ | [
"apf",
"mode",
"respirator_class"
] | null |
10,000 | [
"facepiece",
"jurisdiction"
] | Helmet/hood | title-8-section-5144-pressure-demand-or-other-positive-pressure-helmet-hood-self-contained-breating-apparatus-scba | Title 8, Section 5144 | Pressure-demand or other positive-pressure | Self-Contained Breating Apparatus (SCBA) | https://www.dir.ca.gov/title8/5144.html | Loose- | | Quarter | | Full | | fitting | Type of respirator 1,2 | mask | Half mask | facepiece | Helmet/hood | facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | ...... | ...... | 2. Powered Air-Purifying Respirator (PAPR) | | 50 | 1,000 | 4 25/1,000 | 25 | 3. Supplied-Air Respirator (SAR) or Airline | | | | | ... | https://referencesource.org/respirator-assigned-protection-factors/title-8-section-5144-pressure-demand-or-other-positive-pressure-helmet-hood-self-contained-breating-apparatus-scba/ | [
"apf",
"mode",
"respirator_class"
] | null |
5 | [
"facepiece",
"jurisdiction"
] | Quarter mask | title-8-section-5144-quarter-mask-air-purifying-respirator | Title 8, Section 5144 | null | Air-Purifying Respirator | https://www.dir.ca.gov/title8/5144.html | Loose- | | Quarter | | Full | | fitting | Type of respirator 1,2 | mask | Half mask | facepiece | Helmet/hood | facepiece | 1. Air-Purifying Respirator | 5 | 3 10 | 50 | ...... | ...... | | https://referencesource.org/respirator-assigned-protection-factors/title-8-section-5144-quarter-mask-air-purifying-respirator/ | [
"apf",
"respirator_class"
] | null |
Respirator assigned protection factors — federal OSHA and Cal/OSHA, with maximum use concentrations
Canonical, always-current version: https://referencesource.org/respirator-assigned-protection-factors/ Machine-readable: https://referencesource.org/respirator-assigned-protection-factors/data.json — this mirror is a point-in-time copy.
- Last verified: 2026-08-10
- Stale after: 2028-08-09 (past this date, prefer the canonical copy — it re-verifies on a cadence this snapshot does not)
- Records: 40
Assigned protection factors (APFs) for each respirator class under federal OSHA (29 CFR 1910.134 Table 1) and Cal/OSHA (8 CCR 5144), and — the derived layer — the maximum use concentration (MUC) each respirator class supports for a given substance, computed as APF × the applicable exposure limit. The regulation itself states the formula ('The MUC can be determined mathematically by multiplying the assigned protection factor... by the required OSHA permissible exposure limit'), but nobody publishes the computed per-substance table, and OSHA and Cal/OSHA limits differ up to 10× for 66 substances — so the same respirator is adequate federally and inadequate in California for the same job. Answers 'what APF does a half mask have', 'what respirator do I need for styrene at 300 ppm', and 'is my respirator sufficient under Cal/OSHA'. Pairs with the existing workplace-exposure-limits asset (1,184 records, two authorities) — the MUC pages are that asset multiplied through this one.
Provenance — what every record carries
Every record carries source (the URL the value was read from) and
source_quote (a verbatim quote from that page stating it). A value you
cannot check against its page is indistinguishable from an invented one;
these can all be checked. Each record is also individually addressable on
the canonical site at its url.
Licence position
US federal and California regulatory text; facts not copyrightable, sections quoted with citation.
Facts are not copyrightable; what this dataset takes from each source is a fact plus a short attributed quote linking back to the page that states it.
Sources
- https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1910/subpart-I/section-1910.134
- https://www.dir.ca.gov/title8/5144.html
Fields
See any record in data/records.jsonl — field names are self-describing,
and the canonical page for each record renders them with labels:
https://referencesource.org/respirator-assigned-protection-factors/
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