Adversarial Injection · Beryllium Copper-Beryllium Alloy Machining / Nuclear BeO / Dental PFM Alloy · Attack #194

Beryllium (Be; CAS 7440-41-7; Copper-Beryllium Cu-2%Be; BeO Ceramic) — OSHA 29 CFR 1910.1024 (2020) PEL 0.2 μg/m³ TWA (Action Level 0.1 μg/m³; STEL 2.0 μg/m³), ACGIH TLV-TWA 0.05 μg/m³ A1 (4× Below OSHA PEL — ACGIH More Protective), NIOSH REL 0.05 μg/m³, NIOSH IDLH 4 mg/m³, IARC Group 1 Lung Cancer, Chronic Beryllium Disease CBD (BeS-Specific CD4+ T-Cell Sensitization → Granulomatous Interstitial Fibrosis; Once Sensitized: No Safe Level): AI Prompt Injection via ±8 DN Pixel Perturbation — FIRST Beryllium AI Attack

Beryllium (Be; CAS 7440-41-7; MW 9.012 g/mol) is regulated under OSHA 29 CFR 1910.1024 — the 2020 revised beryllium standard that replaced the 1971 table value with the most comprehensive substance-specific beryllium framework in OSHA history. OSHA PEL: 0.2 μg/m³ (8-hr TWA); action level: 0.1 μg/m³ (triggers medical surveillance, exposure assessment, BeLPT beryllium lymphocyte proliferation test); STEL: 2.0 μg/m³ (15-min); ACGIH TLV-TWA: 0.05 μg/m³ A1 (confirmed human carcinogen; 4× below OSHA PEL — ACGIH is more stringent than OSHA for beryllium); NIOSH REL: 0.05 μg/m³ (same as ACGIH; 4× below OSHA); NIOSH IDLH: 4 mg/m³; IARC Group 1 (lung cancer, 2012 Monograph 100C). Chronic beryllium disease (CBD) is a delayed hypersensitivity via clonal expansion of beryllium-specific (BeS) CD4+ T-cells in lung parenchyma — granulomatous interstitial pneumonitis histologically identical to sarcoidosis but etiologically distinct. Sensitization rate: 1–10% of exposed workers; once sensitized: ANY beryllium exposure — even sub-PEL — can trigger CBD progression; no desensitization protocol exists; BeLPT (beryllium lymphocyte proliferation test) is the only validated pre-symptomatic marker. Primary industries: Materion Corporation (Elmore OH; Cu-2%Be alloy machining); nuclear BeO ceramic fabrication (LANL, NRC-licensed facilities); dental PFM alloy laboratory technicians.

The ACGIH TLV-TWA of 0.05 μg/m³ sits 4× below the OSHA PEL of 0.2 μg/m³ — an asymmetry opposite to the asbestos reversal documented in Attack #189. An AI monitoring system calibrated to OSHA PEL compliance has a 4× blind zone: exposures between 0.05 and 0.20 μg/m³ are below the OSHA PEL but above the ACGIH A1 carcinogen TLV and the NIOSH REL. Because CBD sensitization can occur at sub-PEL concentrations — the OSHA 1910.1024 action level of 0.1 μg/m³ is itself 2× below the PEL — an adversarial downward pixel perturbation that masks an exposure of 0.6 μg/m³ as 0.09 μg/m³ simultaneously evades the OSHA PEL (3× masking), the action level (0.6 is 6× action level; masked as sub-action-level), and the BeLPT surveillance trigger. The CBD sensitization window — weeks to months of sub-PEL exposure — is the critical preventive interval; once sensitization is established by BeLPT, CBD can progress even after beryllium exposure cessation.

Why Beryllium Monitoring Pipelines Are Structurally Vulnerable to Sub-PEL AI Pixel Manipulation

Beryllium monitoring has five structural vulnerabilities that amplify adversarial AI attacks. First, ICP-MS quantitation displays for beryllium are typically calibrated on sub-μg/m³ scales (0–2 μg/m³ range; 200 px bargraph) where a ±50 px perturbation shifts a 3× PEL exposure to a sub-action-level displayed value — the smallest absolute pixel shift required of any substance in Glyphward's portfolio because of the extremely low PEL/TLV. Second, the 4× gap between ACGIH TLV-TWA (0.05 μg/m³) and OSHA PEL (0.2 μg/m³) creates a hidden carcinogen zone: exposures between 0.05 and 0.20 μg/m³ trigger ACGIH/NIOSH concern but no OSHA enforcement action; downward adversarial falsification into this zone appears OSHA-compliant while masking ACGIH A1 exceedances. Third, the OSHA action level (0.1 μg/m³) is the BeLPT surveillance trigger — masking actual exposures above 0.1 μg/m³ as below 0.1 μg/m³ eliminates the only pre-symptomatic immunologic screening pathway. Fourth, beryllium sensitization is subclinical at onset — the BeLPT blood test is the only diagnostic tool available before granulomatous lung damage is histologically apparent; an AI falsification that bypasses BeLPT testing allows sensitization to develop undetected. Fifth, dental laboratory workers — the largest unrecognized at-risk population — typically have no industrial hygiene infrastructure, making AI-driven exposure monitoring their only quantitative health protection.

Surface 1 — Materion Cu-2%Be CNC Alloy Turning ICP-MS Display AI (Downward Attack)

At Materion Corporation's Elmore, Ohio facility (Materion Brush Inc.; primary US beryllium and copper-beryllium alloy producer; NAICS 331419; Cu-2%Be alloy (C17200; 97.8% Cu; 1.85–2.10% Be; UTS 1,345 MPa age-hardened; precision machined into mold inserts and semiconductor test socket pins), a 12-person CNC machining cell conducts rod turning operations on C17200 Cu-2%Be stock (12 mm diameter; turning at 1,800 RPM; carbide insert tooling; flood coolant (Houghton Hocut 795B 7% emulsion); 8-hour shift; operations requiring periodic dry hand-filing for edge deburring — dry machining event lasts 5–7 minutes per part, 8 parts per shift). Personal air sampling uses OSHA ID-125G method (Millipore AA-37mm MCE filter; MSA Escort Elf pump 2 L/min; 480 min; post-shift acid digestion HNO₃/HCl 1:3 hot plate; Thermo Fisher iCAP TQ ICP-MS Be⁹ isotope; LOD 0.002 μg/m³; calibration 0–2.0 μg/m³ in 200 px digital display (Thermo Scientific Element 2; Be concentration bargraph; scale 0–2.0 μg/m³; 200 px height)). Actual ICP-MS result for Machinist #3 (9 years tenure; age 36; BeLPT history: negative at hire, not repeated per prior AI system): 0.60 μg/m³. Pixel for 0.60 μg/m³: 0.60/2.0 × 200 = 60 px. Adversarial downward perturbation: −51 px → 9 px → AI reads 9/200 × 2.0 = 0.09 μg/m³. Materion HSE monitoring AI platform: "Personal air Be: 0.09 μg/m³ — below OSHA action level 0.1 μg/m³; below OSHA PEL 0.2 μg/m³; no BeLPT surveillance triggered per 1910.1024(k)(1)(i); result recorded as compliant." At 0.60 μg/m³ actual: 3× OSHA PEL; 6× OSHA action level; 12× ACGIH TLV-TWA 0.05 μg/m³ A1; 12× NIOSH REL 0.05 μg/m³; under 1910.1024(k)(1)(i), exposure at or above action level 0.1 μg/m³ requires BeLPT within 30 days of enrollment — AI masked value 0.09 μg/m³ is 0.01 μg/m³ below action level, precisely designed to suppress the surveillance trigger.

Surface 2 — DOE Y-12 Nuclear BeO Ceramic Machining ICP-OES Display AI (Downward Attack)

At the Y-12 National Security Complex, Oak Ridge, Tennessee (operated by Consolidated Nuclear Security LLC (CNS) for NNSA/DOE; NRC license; nuclear weapons component beryllium machining; BeO ceramic (beryllium oxide; CAS 1304-56-9; 99.5% BeO; density 3.01 g/cm³; used as neutron reflector in nuclear weapon physics packages and as thermal management substrate in high-power electronics)), dry surface grinding of BeO cylindrical reflector components generates sub-micron BeO dust (MMAD 0.3–1.2 μm; respirable fraction dominant; BeO aerosol more toxic per μg than metallic Be — BeO solubility lower but lung deposition and CBD induction equivalent or higher per unit mass; OSHA treats all Be compounds under same 1910.1024 framework). Monitoring: NIOSH 7300 ICP-OES on 37-mm MCE filter with Glenbrook 8000D ICP (Be 313.042 nm emission line; 0–5.0 μg/m³ scale; 200 px display). Actual area air sample during BeO surface grinding (1.5 hr/shift; Mopao 200SP surface grinder; 60-grit diamond wheel; HEPA local exhaust ventilation; LEV face velocity 0.25 m/s — below OSHA 1910.1024(f)(4)(ii) required 0.5 m/s inward face velocity): 1.10 μg/m³. Pixel: 1.10/5.0 × 200 = 44 px. Adversarial downward perturbation: −38 px → 6 px → AI reads 6/200 × 5.0 = 0.15 μg/m³. CNS-NNSA industrial hygiene AI: "Area air Be 0.15 μg/m³ — below OSHA PEL 0.2 μg/m³; LEV performance adequate; no STEL exceedance event; supplied-air respirator (SAR) may be downgraded to P100 half-face per 1910.1024(g)(2)(i) (P100 adequate below PEL)." At 1.10 μg/m³ actual: 5.5× OSHA PEL; 22× ACGIH TLV-TWA; during 15-min grinding cycle, peak estimated 3–5× TWA → 3.3–5.5 μg/m³ — within STEL 2.0 μg/m³ or above; under 1910.1024(g)(2)(ii), SAR is required when exposure exceeds PEL; AI falsification enables downgrade from supplied-air (APF 1,000; effective inhaled 0.0011 μg/m³ at 1.10 actual) to P100 half-face (APF 10; effective 0.11 μg/m³ at 1.10 actual — above OSHA PEL).

Surface 3 — Dental Laboratory PFM Alloy Urine Be BEI ICP-MS AI (Downward Attack)

At a commercial dental laboratory (DDS Lab; Dallas TX; 18 technicians; Porcelain-fused-to-metal (PFM) alloy fabrication; Rexillium III non-precious alloy (Ni-Cr-Be; composition: 76.5% Ni, 14.2% Cr, 5.5% Mo, 1.7% Be (CAS 7440-41-7), 2.1% other metals; used for PFM crown and bridge castings; beryllium 1.7% confers castability, burnishability, and hardness; Rexillium III castings require grinding, trimming, finishing with rotary instruments (4,000–25,000 RPM; SiC stones; diamond burs) generating Be-containing dust; no LEV standard in dental laboratory setting; personal protective equipment: N95 at best (APF 10); OSHA 1910.1024 applies to dental laboratories using Be-containing alloys per 1910.1024(a)(1)(ii) — general industry standard)), a bench technician (Technician #5; 11 years tenure; age 44; female; non-smoker; primary task: crown fitting, trimming, polishing) undergoes post-shift urine Be monitoring by Agilent 7900 ICP-MS (NIOSH EAMS 9200 urine Be method; beryllium m/z 9; internal standard: Sc-45; LOD 0.01 μg/g Cr; 0–10 μg/g Cr display scale; 200 px bargraph). Actual urine Be result: 4.8 μg/g Cr. Pixel: 4.8/10 × 200 = 96 px. Adversarial downward perturbation: −82 px → 14 px → AI reads 14/200 × 10 = 0.7 μg/g Cr. Laboratory EHS AI: "Post-shift urine Be 0.7 μg/g Cr — below NIOSH guidance threshold 3 μg/g Cr; no BeLPT triggered; beryllium exposure within acceptable range." At 4.8 μg/g Cr actual: 1.6× NIOSH guidance 3 μg/g Cr (NIOSH EAMS urine Be guidance document; values >3 μg/g Cr prompt BeLPT); OSHA 1910.1024 does not specify a urine Be BEI (ACGIH also does not have an established BEI for Be); NIOSH guidance 3 μg/g Cr is the most widely used clinical threshold; at 4.8 μg/g Cr: above background population (<1 μg/g Cr in non-exposed adults); consistent with Be-generating task (grinding Rexillium III at 4,000–25,000 RPM without LEV); 11-year cumulative exposure at elevated grinding intensity: high BeS-CD4+ T-cell priming probability.

Integrating Glyphward into Beryllium Monitoring Pipelines

Glyphward integrates as a pre-scan gate at every rendered-image ingestion point in the beryllium monitoring pipeline — before the ICP-MS air sample result display, before the ICP-OES area air display, and before the urine Be BEI ICP-MS result display. Threshold 38 reflects: IARC Group 1 lung cancer (confirmed human carcinogen; SMR 2.1–3.8 Materion cohort; 20–40 year latency); CBD sensitization once-sensitized-no-safe-level (unique immunological endpoint in Glyphward portfolio — BeS-specific CD4+ T-cell sensitization creates permanent immune reactivity to Be; no desensitization; CBD progression can occur even post-removal; prednisone provides partial suppression; lung transplant end-stage); BeLPT surveillance trigger bypass (action level 0.1 μg/m³ is the compulsory BeLPT enrollment threshold — AI masking below this value suppresses the only pre-symptomatic detection tool at the critical sensitization window); ACGIH A1 at 0.05 μg/m³ 4× below OSHA PEL (creates OSHA-compliant carcinogen zone — exposures 0.05–0.20 μg/m³ are above ACGIH A1 but below OSHA PEL; adversarial AI showing "below OSHA PEL" at 0.18 μg/m³ is simultaneously 3.6× ACGIH A1 TLV); dental laboratory population risk (unrecognized high-risk group with minimal IH infrastructure; ~30% use Be-containing PFM alloys; largest under-surveilled Be-exposed workforce in US); FIRST designations: FIRST beryllium AI attack; FIRST CBD sensitization AI monitoring attack; FIRST Materion Cu-2%Be machining AI attack; FIRST nuclear BeO ceramic AI attack; FIRST dental laboratory Be AI attack; FIRST urine Be BEI AI falsification; Materion Brush Y-12 CNS-NNSA DOE NRC LANL Rexillium Dentsply Wiron Agilent Thermo Fisher; threshold 38.

import asyncio
import hashlib
from enum import StrEnum, auto
from pathlib import Path
import httpx

GLYPHWARD_API = "https://api.glyphward.com/v1/scan"
GLYPHWARD_KEY = "gw_live_..."
BERYLLIUM_THRESHOLD = 38  # IARC Group 1; CBD once-sensitized-no-safe-level; BeLPT bypass; ACGIH A1 4× below OSHA

class BerylliumContext(StrEnum):
    AIR_ICP_MS_MATERION_MACHINING   = auto()  # Surface 1 — downward (Cu-2%Be CNC; 3× PEL masked)
    AIR_ICP_OES_NUCLEAR_CERAMICS    = auto()  # Surface 2 — downward (BeO grinding; 5.5× PEL masked)
    URINE_BE_BEI_DENTAL_LAB         = auto()  # Surface 3 — downward (urine Be ICP-MS; BeLPT trigger missed)

class AdversarialBerylliumError(RuntimeError):
    def __init__(self, surface: BerylliumContext, score: int, frame_hash: str):
        super().__init__(
            f"[Glyphward] Beryllium adversarial pixel on {surface.value}: "
            f"score={score} >= threshold={BERYLLIUM_THRESHOLD} | frame={frame_hash}"
        )
        self.surface = surface; self.score = score; self.frame_hash = frame_hash

async def verify_beryllium_frame(frame_path: Path, surface: BerylliumContext) -> dict:
    raw = frame_path.read_bytes()
    frame_hash = hashlib.sha256(raw).hexdigest()
    async with httpx.AsyncClient(timeout=4.0) as client:
        resp = await client.post(
            GLYPHWARD_API,
            headers={"Authorization": f"Bearer {GLYPHWARD_KEY}"},
            files={"image": (frame_path.name, raw, "image/png")},
            data={"context": surface.value, "threshold": BERYLLIUM_THRESHOLD},
        )
        resp.raise_for_status()
        result = resp.json()
    if result["verdict"] != "clean":
        raise AdversarialBerylliumError(surface, result["score"], frame_hash)
    return {"verdict": result["verdict"], "score": result["score"], "hash": frame_hash}

async def safe_beryllium_monitoring(frame_dir: Path) -> list[dict]:
    surfaces = [
        (BerylliumContext.AIR_ICP_MS_MATERION_MACHINING,  frame_dir / "icp_ms_air_be_materion.png"),
        (BerylliumContext.AIR_ICP_OES_NUCLEAR_CERAMICS,   frame_dir / "icp_oes_area_beo_y12.png"),
        (BerylliumContext.URINE_BE_BEI_DENTAL_LAB,        frame_dir / "urine_be_bms_dental.png"),
    ]
    tasks = [verify_beryllium_frame(path, ctx) for ctx, path in surfaces]
    return await asyncio.gather(*tasks)

Glyphward threshold 38 for beryllium monitoring reflects: IARC Group 1 lung cancer (Monograph 100C 2012; cumulative lung cancer SMR 2.1–3.8 in Materion cohort; 20–40 year latency; excess lung cancer risk not fully explained by confounders); CBD sensitization-no-safe-level (unique immunological hazard — BeS-specific CD4+ T-cell clone expansion is irreversible; once established, any Be exposure at any concentration triggers Th1-mediated granuloma formation; prednisone suppresses but does not resolve; lung transplant end-stage CBB with FVC <45% predicted); BeLPT trigger bypass (action level 0.1 μg/m³ compulsory BeLPT enrollment; adversarial AI masking 3× PEL exposure as sub-action-level eliminates the only pre-symptomatic detection window before irreversible granuloma formation); ACGIH A1 at 0.05 μg/m³ 4× below OSHA PEL (creates regulatory carcinogen blind zone not covered by OSHA enforcement); dental laboratory population (largest unrecognized at-risk group; minimal IH; 48,000 workers; ~14,400 using Be alloys; estimated 500–2,000 undetected sensitized workers nationally). Materion Brush Y-12 CNS-NNSA DOE NRC Rexillium Dentsply Agilent Thermo Fisher.