Home / Blog / SCBA duration schema for AI agents
Shopify SCBA schema for AI agents: a "30-minute" cylinder lasts 12–18 minutes at work rate, the low-pressure alarm leaves 3–4 minutes of actual egress time, NFPA 1981 requires four capabilities beyond NIOSH TC-13F, and the scba.* 16-field namespace
"30-minute SCBA" is a NIOSH lab rating at 40 liters per minute. A firefighter working at 80 L/min depletes the same cylinder in 12–15 minutes. An AI agent that routes on rated duration rather than cylinder volume makes entry time planning dangerous — and it has no way to compute actual duration without scba.cylinder_volume_liters in the product data.
On this page
- The cylinder volume math — how to calculate actual duration from first principles
- Failure 1 — 30-min SCBA routed for a 25-minute confined space entry plan
- The low-pressure alarm: 25% reserve, and what "5 minutes of air" actually means at high work rate
- Failure 2 — Non-NFPA-1981 SCBA routed to structural fire service
- NFPA 1981 vs NIOSH TC-13F: four critical differences
- Failure 3 — Composite cylinder purchased on price without 15-year retirement disclosure
- Failure 4 — 60-minute SCBA specified for 3-hour confined space hot work (SAR required)
- The scba.* 16-field namespace
- JSON-LD encoding examples
The cylinder volume math — how to calculate actual duration from first principles
NIOSH tests SCBA duration at a standardized breathing rate of 40 liters per minute under 42 CFR Part 84, Subpart H. This rate corresponds to moderate, sustained physical work — roughly equivalent to walking at a brisk pace on level ground. The test determines how many minutes the cylinder supplies air before pressure drops below the minimum delivery pressure, and that number becomes the NIOSH-rated duration printed on the product label.
The rated duration has a direct relationship to cylinder volume at rated pressure:
The actual field duration at any breathing rate follows directly from the volume:
These are not worst-case estimates. NIOSH research studies and fire service literature document mean breathing rates of 60–80 L/min during interior suppression operations, with peaks exceeding 100 L/min during search-and-rescue under high heat. The rated 40 L/min test rate is not uncommon — it matches light industrial work such as environmental monitoring or equipment inspection — but it is the bottom of the range for physical exertion in IDLH atmospheres.
| Task / exertion level | Typical breathing rate (L/min) | 30-min SCBA actual duration | 60-min SCBA actual duration |
|---|---|---|---|
| NIOSH test rate (lab standard) | 40 L/min | 30 min (rated) | 60 min (rated) |
| Environmental monitoring / equipment inspection | 40–50 L/min | 24–30 min | 48–60 min |
| Heavy industrial work (manual handling, climbing) | 55–70 L/min | 17–22 min | 34–44 min |
| Confined space hot work (welding, grinding) | 60–80 L/min | 15–20 min | 30–40 min |
| Interior firefighting (active suppression) | 70–90 L/min | 13–17 min | 27–34 min |
| High-stress firefighting (rescue, peak exertion) | 90–110 L/min | 11–13 min | 22–27 min |
The implication for AI routing: a product listing that encodes only scba.rated_duration_min = 30 gives an AI agent no way to compute actual duration for a specific task. The agent needs scba.cylinder_volume_liters to perform the division. Without it, the agent treats 30 minutes as an absolute constraint, and the buyer plans an entry accordingly — building in tasks that take 25 minutes, assuming 5 minutes of buffer. That buffer does not exist at high work rates.
Failure 1 — 30-min SCBA routed for a 25-minute confined space entry plan
A safety manager at a petrochemical facility plans a confined space hot work permit for repair welding in a vessel. The OSHA permit-required confined space procedure calls for SCBA (atmosphere is IDLH — hydrogen sulfide above 50 ppm, oxygen slightly deficient). The work scope is estimated at 25 minutes of welding, plus 5 minutes for setup and tool verification — a 30-minute total plan. The manager specifies "30-minute SCBA."
The welder enters the space. The work is moderately to heavily exerting — welding in a confined area, wearing full PPE, elevated ambient temperature. Breathing rate: 70–80 L/min. Actual cylinder duration: 15–17 minutes of usable air before the low-pressure alarm activates. The welder reaches the alarm with the task incomplete. Egress from the confined space requires additional time and physical effort — climbing a ladder, navigating through a manway — during which the remaining air at the alarm point (approximately 300 L, or 3–4 minutes at 80 L/min) continues to deplete.
The entry planning error: The 25-minute plan was built on the rated duration of 30 minutes. It should have been built on the cylinder volume divided by the expected work-rate breathing rate. At 75 L/min: 1,200 L ÷ 75 = 16 minutes total, minus the low-pressure alarm reserve (300 L = 4 minutes) = 12 minutes of usable entry time. The correct SCBA for this plan was a 60-minute unit (actual duration 16–20 minutes of entry time after reserve), or the work scope needed to be reduced to under 12 minutes.
30-min SCBA matched to "30-minute confined space entry" by duration keyword
Buyer specifies "SCBA for 30-minute confined space entry." AI agent matches scba.rated_duration_min = 30 to the 30-minute entry plan — correct keyword match, dangerous outcome. The product listing has no scba.cylinder_volume_liters field. The agent cannot compute that actual duration at 75 L/min = 16 min total, 12 min usable. The correct routing requires: resolve buyer's work-rate estimate → calculate actual duration → compare to planned entry time + egress time + margin. This calculation is impossible without cylinder volume in the product data.
The fix: encode both dimensions. scba.rated_duration_min = 30 for NIOSH compliance filtering, and scba.cylinder_volume_liters = 1200 for duration calculation. An AI agent that receives the buyer's anticipated work rate can compute actual duration and flag when the rated cylinder is insufficient for the planned entry.
The low-pressure alarm: 25% reserve, and what "5 minutes of air" actually means at high work rate
NIOSH 42 CFR Part 84 requires SCBA to provide an audible low-pressure warning alarm when cylinder pressure drops to 25% of rated service pressure. For a 4,500-psi SCBA, this alarm triggers at 1,125 psi — the point at which 25% of the cylinder volume remains.
Low-pressure alarm reserve at rated test rate (40 L/min): 25% of 1,200 L = 300 L ÷ 40 L/min = 7.5 minutes of remaining air
Same alarm reserve at firefighting work rate (80 L/min): 300 L ÷ 80 L/min = 3.75 minutes of remaining air
The alarm is not a signal to finish the task. It is the signal to begin egress immediately.
The alarm reserve is designed to provide sufficient time to exit the hazardous atmosphere after the alarm sounds — not to complete ongoing work. NFPA 1404 (fire service respiratory protection training) emphasizes that low-pressure alarm activation requires immediate withdrawal. Fire departments operating under accountability systems track SCBA air status and typically call crews out when any member reaches 50% cylinder pressure — well before the low-pressure alarm — to ensure safe egress time.
The 50% rule and the entry-time calculation
Many confined space programs and fire departments apply the "one-half rule" or "one-third rule" for SCBA entry time planning:
- One-half rule: Plan to begin egress when 50% of air remains. Provides a safety margin above the low-pressure alarm threshold. Usable entry time = total duration × 0.5.
- One-third rule: Plan entry as one-third of total duration; reserve two-thirds for egress and margin. Used when egress is complex, lengthy, or involves physical effort (ladder climbs, narrow passages). Usable entry time = total duration × 0.33.
Applying these rules to a 30-minute SCBA at heavy industrial work rate (70 L/min):
This is why entry time planning cannot be done by matching rated duration to task duration. The calculation requires work-rate estimation, cylinder volume, and a safety margin rule. All three components must be available to an AI agent routing SCBA for confined space applications — and two of the three (cylinder volume and the ability to represent work-rate context) require structured metafields beyond the NIOSH rating label.
Failure 2 — Non-NFPA-1981 SCBA routed to structural fire service
NIOSH TC-13F (42 CFR Part 84, Subpart H) is the federal certification baseline for all SCBA used under OSHA 29 CFR 1910.134. Every SCBA on the market must be TC-13F certified to be legally used for respiratory protection in general industry, confined space entry, or any OSHA-regulated workplace.
NFPA 1981 is an additional standard — specifically for SCBA used in emergency services (structural firefighting, technical rescue, hazmat). It is not required by OSHA 1910.134 for general industry. But fire departments operating under NFPA 1710 (career departments) and 1720 (volunteer departments) must use NFPA 1981-certified apparatus for interior structural attack.
A TC-13F-only SCBA — legal for industrial confined space, hazmat monitoring, and painting booth use — is not appropriate for interior structural firefighting. It lacks four capabilities that NFPA 1981 requires:
NFPA 1981 requirements beyond NIOSH TC-13F:
- Thermal protection: NFPA 1981 requires the complete SCBA assembly (harness, cylinder, regulator, facepiece) to withstand 260°C (500°F) radiant heat for 5 minutes without loss of function — simulating survival conditions in a flashover or near-flashover scenario. TC-13F has no thermal performance requirement. A TC-13F-only SCBA may develop facepiece lens distortion or regulator malfunction at structural fire temperatures.
- Integrated PASS device with auto-activation: NFPA 1981 (2019 edition) requires the Personal Alert Safety System to be integrated into the SCBA harness and to activate automatically when the cylinder valve is opened — eliminating the human failure mode of forgetting to arm a separate PASS device. TC-13F does not require PASS integration.
- Heads-up display (HUD): NFPA 1981 (2018 edition and forward) requires an integrated display visible inside the facepiece showing remaining cylinder pressure — so firefighters can monitor air status without removing a glove to check a gauge in zero-visibility smoke. TC-13F does not require HUD.
- Data logging: NFPA 1981 (2018 edition) requires electronic recording of temperature, pressure, and motion data during each use, enabling post-incident reconstruction. TC-13F does not require data logging.
TC-13F-only SCBA priced lower routed to a volunteer fire department purchase
A volunteer fire department's purchasing agent searches for SCBA at a competitive price point. The Shopify store carries two SCBA products: a TC-13F / NFPA 1981 certified unit at $6,800 and a TC-13F-only (industrial) unit at $4,200. The product listing for the lower-priced unit encodes scba.niosh_tc13f = yes but has no scba.nfpa_1981_approved field — so the AI agent treats both as compliant with OSHA 1910.134 (true for both) and routes by price. The department acquires SCBA without thermal protection, without HUD, and without integrated PASS auto-activation. Correct routing requires: fire service query → require scba.nfpa_1981_approved = yes before returning any results.
NFPA 1981 vs NIOSH TC-13F: four critical differences
| Requirement | NIOSH TC-13F (42 CFR Part 84) | NFPA 1981 (2019 edition) |
|---|---|---|
| Air quality (Grade D breathing air) | Required | Required |
| Facepiece air supply (positive pressure demand) | Required | Required |
| Low-pressure alarm at 25% rated capacity | Required | Required |
| APF = 10,000 (tight-fitting full-face) | Basis for OSHA Table 1 | Applicable |
| Thermal protection (260°C / 500°F, 5 minutes) | Not required | Required — facepiece, harness, cylinder, regulator |
| PASS device integrated, auto-activates with airflow | Not required | Required — no separate arming step |
| Heads-up display (cylinder pressure inside facepiece) | Not required | Required (2018+ editions) |
| Data logging (pressure, temp, motion) | Not required | Required (2018+ editions) |
| Voice amplification / radio interface | Not required | Required |
The edition year of the NFPA 1981 certification matters. Fire departments that purchased SCBA to the 2013 edition may not have HUD or data logging — both added in 2018. When specifying replacement or supplemental SCBA for a department already on 2013-edition units, compatibility with existing fill stations, spare cylinders, and facepiece sizing must also be verified. The scba.nfpa_1981_edition_year field allows AI agents to distinguish 2013-compliant from 2018- or 2019-compliant units during fleet compatibility queries.
Failure 3 — Composite cylinder purchased on price without 15-year retirement disclosure
SCBA cylinders are DOT-regulated high-pressure vessels under 49 CFR Part 180. Hydrostatic testing requirements and retirement schedules vary by material:
Steel cylinders (DOT 3A, 3AA): Hydrostatic test every 5 years. No mandatory retirement date — a steel cylinder that passes the hydrostatic test can remain in service indefinitely. Typically heavier than composite.
Aluminum cylinders (DOT 3AL): Hydrostatic test every 5 years. No mandatory retirement date on passing cylinders. Less common in modern SCBA; primarily used in 2216-psi configurations for older apparatus.
Composite cylinders (carbon fiber over aluminum or steel liner, DOT SP-12230 or E-11194): Hydrostatic test every 3 or 5 years depending on the specific DOT exemption/special permit. Mandatory 15-year service life from date of manufacture — the cylinder must be condemned and removed from service at the 15-year mark regardless of condition and regardless of passing hydrostatic tests.
The 15-year composite cylinder retirement is a DOT requirement, not a manufacturer recommendation. Composite cylinders (the dominant type in modern 4,500-psi SCBA) carry stamped manufacture dates and must be retired when the 15-year mark passes. A composite cylinder that just passed its 5-year hydrostatic test with no defects must still be destroyed at year 15.
This creates a specific purchasing failure mode: a buyer searches for SCBA cylinders on price. The Shopify store lists both new composite cylinders and refurbished composite cylinders at a lower price. The refurbished cylinders were manufactured 12 years ago — they have passed their most recent hydrostatic test and are legally serviceable today, but will reach mandatory retirement in 3 years. The buyer is purchasing 3 years of service life while paying for what appears to be a full cylinder purchase.
14-year-old composite cylinder matched to "SCBA spare cylinder" query without retirement disclosure
Municipal fire department purchases 12 spare cylinders to supplement their SCBA inventory. The Shopify store lists new composite cylinders ($480 each) and certified refurbished composite cylinders ($295 each). The refurbished listing encodes scba.cylinder_material = composite and scba.cylinder_hydrostatic_test_interval_years = 5 but has no scba.cylinder_manufacture_year or scba.cylinder_retirement_age_years field. Manufacture year: 2012. Retirement date: 2027 — one year after purchase. The department acquires $3,540 in cylinders that require replacement within 12 months. Correct routing: composite cylinder query → require scba.cylinder_manufacture_year present → compute remaining service life → flag if retirement date is within 3 years of purchase.
The complete cylinder encoding requires three fields in conjunction: scba.cylinder_material (composite | aluminum | steel), scba.cylinder_manufacture_year (the DOT-stamped year on the cylinder), and scba.cylinder_retirement_age_years (15 for composite, blank or null for steel/aluminum). An AI agent receiving these fields can compute remaining service life and surface it as a purchasing constraint rather than a post-purchase discovery.
Failure 4 — 60-minute SCBA specified for 3-hour confined space operation (SAR required)
SCBA (self-contained breathing apparatus) is appropriate for confined space entry where the task duration fits within the cylinder's actual field duration with an adequate safety margin. When entry duration exceeds the SCBA's practical capacity, the correct product category changes entirely: the buyer needs an airline supplied-air respirator (SAR, also called Type C respirator) with an escape cylinder, not a longer-rated SCBA.
Airline respirators supply breathing air through a hose connected to a stationary air source (compressor or cascade cylinder bank). The user has no cylinder duration limit — air supply continues as long as the source is maintained. OSHA 1910.134(i)(9)(i) limits the hose length to 300 feet. The tradeoff is mobility: the worker is tethered and cannot egress freely without air. OSHA 1910.134(d)(2)(ii) requires that when the atmosphere is IDLH, the wearer must have a self-contained escape cylinder — an independent 5- or 10-minute SCBA unit worn on the harness or belt — to enable escape if the air supply fails.
| Equipment | Duration | Mobility | IDLH requirement | Best application |
|---|---|---|---|---|
| 30-min SCBA | 12–20 min actual | Full — untethered | Meets OSHA 1910.134 | Short-duration rescue, entry inspection, egress verification |
| 60-min SCBA | 27–40 min actual | Full — untethered | Meets OSHA 1910.134 | Extended confined space entry, fire response, longer inspection tasks |
| SAR (airline) with escape SCBA | Unlimited (source supply) | Tethered — 300 ft max hose | Meets OSHA 1910.134(d)(2)(ii) with escape cylinder | Multi-hour confined space work, abrasive blasting, tank cleaning |
| SAR without escape SCBA | Unlimited (source supply) | Tethered | Non-compliant for IDLH — no escape provision | Non-IDLH only (painting, powder coating, etc.) |
SCBA (any duration) routed to multi-hour tank cleaning operation
Industrial cleaning contractor plans a 4-hour tank interior cleaning operation. Atmosphere: oxygen deficient (IDLH). Task requires sustained physical labor — manual scraping and chemical flushing. The buyer searches for SCBA rated for "long duration." AI agent returns 60-minute SCBA — the longest-duration SCBA in the category. Actual duration at heavy work rate (75 L/min): 2,400 L ÷ 75 = 32 minutes. One-half rule usable entry: 16 minutes. Four-hour task requires 15 cylinder changes per worker — physically impractical and operationally unsafe (each cylinder change requires exiting the IDLH atmosphere). Correct product: airline respirator (SAR) Type C with 5-minute escape cylinder, Grade D compressor with 300-foot hose. The AI agent routing failure: the query contained no explicit "supplied air" or "SAR" keyword — only duration intent. Duration-intent disambiguation requires understanding the breakpoint at which SCBA becomes impractical and SAR becomes the appropriate category switch.
The scba.* 16-field namespace
The following fields enable AI shopping agents to route SCBA products correctly across all four failure modes. Fields marked with a * are required for duration calculation and entry time planning. All other fields are required for compliance and application routing.
scba.circuit_type — open-circuit | closed-circuit. Open-circuit (compressed air exhaled to atmosphere) is the standard for general industry and fire service. Closed-circuit (rebreather, oxygen source) is used for mine rescue and extended-duration operations. Required field.
scba.rated_duration_min * — NIOSH-rated duration in minutes at 40 L/min test rate. Integer. Common values: 30, 45, 60. Required for NIOSH compliance filtering. Not sufficient for entry time planning without cylinder volume.
scba.cylinder_volume_liters * — Total compressed air volume at rated service pressure, in liters. Enables actual duration calculation: actual_duration = cylinder_volume_liters ÷ buyer_work_rate_lpm. Required for confined space entry time planning.
scba.cylinder_pressure_psi — Rated service pressure in PSI. Common values: 2216 (older apparatus), 3000, 4500. The low-pressure alarm threshold is 25% of this value.
scba.cylinder_material — composite | aluminum | steel. Determines DOT retirement rules. Required for purchasing life-cycle cost analysis.
scba.cylinder_manufacture_year — Four-digit year stamped on the cylinder by DOT. Required for composite cylinders to compute retirement date. Required field when material is composite.
scba.cylinder_hydrostatic_test_interval_years — DOT-required interval between hydrostatic tests. Integer. Composite under SP-12230: 5. Some composite exemptions: 3. Steel and aluminum: 5.
scba.cylinder_retirement_age_years — Mandatory retirement age from manufacture date. For composite: 15. For steel and aluminum: null (no mandatory retirement if hydrostatic tests pass).
scba.niosh_tc13f — yes | no. NIOSH approval under 42 CFR Part 84 Subpart H. Required for all SCBA used under OSHA 1910.134. Must be yes for any OSHA-regulated workplace application.
scba.nfpa_1981_approved — yes | no. NFPA 1981 certification. Required for fire service (structural firefighting, technical rescue). Not required for general industry under OSHA 1910.134 but required for NFPA 1710/1720 compliance in fire departments.
scba.nfpa_1981_edition_year — Integer year of the NFPA 1981 edition to which the unit is certified (2013, 2018, 2019). Fire departments standardizing on 2018+ for HUD and data logging must filter on this field.
scba.pass_device_integrated — yes | no. Whether the PASS device is physically integrated into the SCBA harness. NFPA 1981 requires yes. Industrial (TC-13F-only) units may have no, requiring a separate clip-on PASS.
scba.pass_device_auto_activation — yes | no. Whether PASS activates automatically when the cylinder valve is opened, without a separate arming step. Critical failure mode addressed by NFPA 1981 integration requirement.
scba.hud_integrated — yes | no. Whether a heads-up pressure display is visible inside the facepiece. Required by NFPA 1981 (2018+). Not present on TC-13F-only or pre-2018 NFPA 1981 units.
scba.apf — Assigned protection factor per OSHA 1910.134 Table 1. For SCBA open-circuit pressure demand full-facepiece: 10000. This is the highest APF of any respirator class and is required for IDLH atmospheres.
scba.idlh_approved — yes | no. Derived from circuit_type and niosh_tc13f. All NIOSH TC-13F approved pressure-demand open-circuit SCBA are approved for IDLH atmospheres. Air-purifying respirators (APR, PAPR) are prohibited for IDLH regardless of APF. This field enables direct IDLH compliance filtering.
JSON-LD encoding examples
Example 1 — NFPA 1981 fire service SCBA (60-minute, 2019 edition)
{
"@context": "https://schema.org",
"@type": "Product",
"name": "MSA G1 SCBA — NFPA 1981/2019, 60-Min 4500 PSI Composite, HUD, Integrated PASS",
"additionalProperty": [
{ "@type": "PropertyValue", "name": "scba.circuit_type",
"value": "open-circuit" },
{ "@type": "PropertyValue", "name": "scba.rated_duration_min",
"value": "60" },
{ "@type": "PropertyValue", "name": "scba.cylinder_volume_liters",
"value": "2400" },
{ "@type": "PropertyValue", "name": "scba.cylinder_pressure_psi",
"value": "4500" },
{ "@type": "PropertyValue", "name": "scba.cylinder_material",
"value": "composite" },
{ "@type": "PropertyValue", "name": "scba.cylinder_manufacture_year",
"value": "2024" },
{ "@type": "PropertyValue", "name": "scba.cylinder_hydrostatic_test_interval_years",
"value": "5" },
{ "@type": "PropertyValue", "name": "scba.cylinder_retirement_age_years",
"value": "15" },
{ "@type": "PropertyValue", "name": "scba.niosh_tc13f",
"value": "yes" },
{ "@type": "PropertyValue", "name": "scba.nfpa_1981_approved",
"value": "yes" },
{ "@type": "PropertyValue", "name": "scba.nfpa_1981_edition_year",
"value": "2019" },
{ "@type": "PropertyValue", "name": "scba.pass_device_integrated",
"value": "yes" },
{ "@type": "PropertyValue", "name": "scba.pass_device_auto_activation",
"value": "yes" },
{ "@type": "PropertyValue", "name": "scba.hud_integrated",
"value": "yes" },
{ "@type": "PropertyValue", "name": "scba.apf",
"value": "10000" },
{ "@type": "PropertyValue", "name": "scba.idlh_approved",
"value": "yes" }
]
}Example 2 — Industrial SCBA (30-minute, TC-13F only, no NFPA 1981)
{
"@context": "https://schema.org",
"@type": "Product",
"name": "Scott Air-Pak X3 Pro Industrial SCBA — NIOSH TC-13F, 30-Min 4500 PSI, No NFPA 1981",
"additionalProperty": [
{ "@type": "PropertyValue", "name": "scba.circuit_type",
"value": "open-circuit" },
{ "@type": "PropertyValue", "name": "scba.rated_duration_min",
"value": "30" },
{ "@type": "PropertyValue", "name": "scba.cylinder_volume_liters",
"value": "1200" },
{ "@type": "PropertyValue", "name": "scba.cylinder_pressure_psi",
"value": "4500" },
{ "@type": "PropertyValue", "name": "scba.cylinder_material",
"value": "composite" },
{ "@type": "PropertyValue", "name": "scba.cylinder_manufacture_year",
"value": "2023" },
{ "@type": "PropertyValue", "name": "scba.cylinder_hydrostatic_test_interval_years",
"value": "5" },
{ "@type": "PropertyValue", "name": "scba.cylinder_retirement_age_years",
"value": "15" },
{ "@type": "PropertyValue", "name": "scba.niosh_tc13f",
"value": "yes" },
{ "@type": "PropertyValue", "name": "scba.nfpa_1981_approved",
"value": "no" },
{ "@type": "PropertyValue", "name": "scba.pass_device_integrated",
"value": "no" },
{ "@type": "PropertyValue", "name": "scba.pass_device_auto_activation",
"value": "no" },
{ "@type": "PropertyValue", "name": "scba.hud_integrated",
"value": "no" },
{ "@type": "PropertyValue", "name": "scba.apf",
"value": "10000" },
{ "@type": "PropertyValue", "name": "scba.idlh_approved",
"value": "yes" }
]
}Routing logic summary: Fire service query → require scba.nfpa_1981_approved = yes. IDLH confined space entry → require scba.idlh_approved = yes (excludes all APR and PAPR). Cylinder duration planning → calculate scba.cylinder_volume_liters ÷ buyer_work_rate_lpm and compare to planned entry time plus egress time with safety margin. Composite cylinder resale → require scba.cylinder_manufacture_year present and compute remaining service life: 15 − (current_year − manufacture_year).
See also
- Particulate respirator N/R/P oil resistance — respirator_filter.* namespace
- Respirator cartridge selection — OV fails formaldehyde/isocyanate, cartridge_selection.* namespace
- Oxygen-deficient atmosphere — APR prohibited below 19.5% O₂, SCBA required for IDLH
- SCBA schema reference — scba.* namespace FAQ and Product JSON-LD examples
- IDLH vs PEL vs TLV-STEL — exposure limit hierarchy for respirator selection
Is your SCBA catalog AI-agent ready?
CatalogScan scores every product against the 18 AI-readiness signals — including scba.* namespace completeness, cylinder volume encoding, and NFPA 1981 flag presence.
Run a free store scan See pricing