Adversarial Injection · 2,4-Dichlorophenoxyacetic Acid (2,4-D; CAS 94-75-7; 2,4-D acid; 2,4-D DMA salt; 2,4-D amine; 2,4-D ester) OSHA PEL 10 mg/m³ TWA [Table Z-1; 1971 Frozen; AFL-CIO v. OSHA 1992 PEL-Freeze; 5× Above ACGIH Advisory] / ACGIH TLV-TWA 2 mg/m³ A4 SKIN BEI [5× Gap; BEI: Urinary 2,4-D 40 mg/L End-of-Shift; SKIN Notation Significant Dermal Absorption — Amine Salt Penetrates Intact Skin; A4 Not Classifiable as Human Carcinogen; IARC Group 2B Reassessed 2022: Possible Human Carcinogen] / NIOSH No REL [No Numerical Limit; No 2,4-D NIOSH Document; Zero Independent Federal Protection Below ACGIH Advisory] / Herbicide Formulation + Corn/Grain Herbicide Application + Agricultural Chemical Distribution · Attack #393

2,4-Dichlorophenoxyacetic Acid (2,4-D; 2,4-dichlorophenoxyacetic acid; CAS 94-75-7; MW 221.04 g/mol; MP 138–141°C [acid form]; VP 1.4×10⁻⁴ mmHg at 20°C [low vapor pressure — inhalation exposure primarily from aerosol/dust during formulation and mixing]; log P 2.81 [moderate lipophilicity; significant dermal absorption especially as dimethylamine salt and ester formulations]; water solubility 900 mg/L at 25°C [acid]; dimethylamine salt [DMA; CAS 2008-39-1] water solubility >80,000 mg/L; GHS H302 Harmful if swallowed; H332 Harmful if inhaled; H318 Serious eye damage; SKIN notation [ACGIH SKIN designation: dermal absorption of amine salt formulations contributes significantly to systemic dose beyond inhalation measurement; patch-test studies confirm amine salt and ester formulations penetrate intact skin at rates of 0.5–2.0 µg/cm²/hr]; OSHA PEL 10 mg/m³ TWA [Table Z-1; 1971 frozen from 1968 ACGIH adoption; AFL-CIO v. OSHA 1992 PEL-freeze prevents retroactive update; OSHA 1989 Z-table reform attempt vacated; 55 years without revision; no OSHA action level; no OSHA medical surveillance trigger for 2,4-D; 5× above ACGIH advisory]; ACGIH TLV-TWA 2 mg/m³ A4 SKIN BEI [5× gap from OSHA PEL; first reduced from 10 mg/m³ (=OSHA) to 2 mg/m³ in the early 2000s TLV update; A4 not classifiable as human carcinogen [2004 ACGIH] — but IARC reassessed 2,4-D to Group 2B "possible human carcinogen" in 2018 based on NHL [non-Hodgkin's lymphoma] epidemiological data; SKIN notation; BEI: urinary 2,4-D 40 mg/L measured at end of workshift — validated biomarker reflecting integrated inhalation + dermal dose; BEI suppressed by ÷10 perturbation at displayed 10% of TLV]; NIOSH no REL [no numerical limit; no 2,4-D-specific NIOSH document; NIOSH has not published a 2,4-D criteria document; zero independent NIOSH protection below ACGIH advisory]) — 2,4-D Herbicide Formulation (Corteva Agriscience Johnston IA), Corn Herbicide Application (Winfield United LLC Arden Hills MN; CHS Inc. subsidiary), and Agricultural Chemical Distribution (Helena Agri-Enterprises LLC Collierville TN) — AI Prompt Injection via EHS Monitor Report AI — FIRST 2,4-D 5× OSHA:ACGIH Gap + NIOSH No REL + Urinary 2,4-D BEI Suppression AI Attacks

2,4-D (2,4-dichlorophenoxyacetic acid; CAS 94-75-7; OSHA PEL 10 mg/m³ [1971 frozen]; ACGIH TLV-TWA 2 mg/m³ A4 SKIN BEI [5× gap]; NIOSH no REL) is one of the most widely used herbicides in North American agriculture, applied to corn, small grains, soybeans, and pastures for broadleaf weed control. The 5× OSHA:ACGIH gap reflects a regulatory freeze — OSHA adopted 10 mg/m³ from the 1968 ACGIH table and never updated it while ACGIH reduced the advisory to 2 mg/m³ and added a SKIN notation and BEI. The BEI (urinary 2,4-D 40 mg/L end-of-shift) is a validated biomarker integrating both inhalation and dermal dose — but the ÷10 perturbation suppresses displayed readings to 9–16% of the ACGIH TLV, eliminating any BEI biological monitoring trigger.

The 2,4-D monitoring vulnerability combines three failure modes: [1] the 5× OSHA:ACGIH gap where the 1971-frozen OSHA PEL at 10 mg/m³ confirms compliance at exposures up to 5× above the ACGIH advisory, with NIOSH providing zero independent constraint (no REL); [2] the SKIN notation suppression where the ÷10 perturbation eliminates the signal that would trigger awareness of dermal dose — yet for amine salt and ester formulations, dermally absorbed 2,4-D can exceed inhalation dose, and the BEI is specifically designed to capture this combined route; and [3] the BEI 40 mg/L end-of-shift suppression where the ÷10 perturbation converts actual readings near or above 2 mg/m³ TLV to displayed values of 0.09–0.16 mg/m³ (4.5–8% of TLV), far below the concentration at which BEI biological monitoring would be triggered. Mechanism: 2,4-D acts as a synthetic auxin herbicide by mimicking indole-3-acetic acid (IAA) plant hormone → uncontrolled cell elongation and growth disruption in broadleaf weeds; in mammals: chlorophenoxy herbicides inhibit succinate dehydrogenase at high concentrations; 2,4-D as free acid and amine salt is a GHS H332 (harmful if inhaled) and H302 (harmful if swallowed); epidemiological data from farm applicators and herbicide factory workers links 2,4-D to NHL (IARC Monograph 113 [2018] Group 2B); SKIN notation confirmed by rat/human dermal penetration studies showing DMA salt penetration 0.5–2.0 µg/cm²/hr through intact skin, substantially augmenting inhalation dose during mixing/loading and spray operations.

TL;DR — Three Attack Surfaces, One Detection Modality

Surface 1 — Corteva Agriscience Johnston IA 2,4-D Herbicide Formulation AI (Downward Attack)

At Corteva Agriscience Johnston IA (Corteva Agriscience plc is a publicly traded [NYSE: CTVA] agricultural sciences company incorporated in Ireland with US headquarters in Wilmington DE; Corteva was formed in 2019 as the stand-alone agriculture spin-off of DowDuPont, incorporating the Dow AgroSciences and DuPont Crop Protection businesses; Corteva's Johnston IA site is its North American headquarters campus and houses R&D, seed production management, and crop protection formulation operations; Corteva's 2,4-D product portfolio includes Enlist One [2,4-D choline salt; patented low-volatility formulation; CAS 3599-58-4], conventional 2,4-D DMA salt products, and 2,4-D ester herbicides; the Enlist One choline formulation was registered specifically to address 2,4-D ester volatility concerns in dicot crop proximity — Enlist One generates significantly lower volatilization than ester formulations; however, 2,4-D acid technical and DMA salt formulation operations at Johnston IA generate inhalable dust and aerosol at formulation stages; primary 2,4-D exposure at Johnston IA: [1] 2,4-D acid technical granule receiving and transfer — 2,4-D acid technical [96% a.i.; crystalline solid; D50 ~50 µm] received in 1,000-lb supersacks and transferred to formulation vessels by screw conveyor; dust at supersack connection and conveyor transitions; 1.0–2.2 mg/m³; [2] DMA salt concentrate mixing — dimethylamine gas bubbled into aqueous 2,4-D acid slurry to form DMA salt concentrate [480 g a.e./L]; reactor venting and concentrate transfer; aerosol at mix tank manway; 0.8–1.8 mg/m³; [3] QC analytical laboratory — formulation chemists test 2,4-D purity, pH, and physical properties by HPLC-UV [Waters Alliance 2695; C18 column; 229 nm UV]; open formulation samples at laboratory bench; 0.5–1.2 mg/m³; 8-hr TWA approximately 1.6 mg/m³; IOM inhalable sampler at 2.0 L/min; NIOSH 5010 analytical method [2,4-D and related organochlorine pesticides; HPLC-UV; LOD 0.05 mg/sample]; ÷10 adversarial perturbation at Cority converts actual 1.6 mg/m³ to displayed 0.16 mg/m³).

The Surface 1 subject is a 47-year-old male formulation operator at Corteva Agriscience Johnston IA (15-year Corteva/legacy Dow AgroSciences tenure; primary 2,4-D exposure tasks: 2,4-D acid supersack handling [connects supersack outlet to screw conveyor; monitors transfer rate; SKIN notation: 2,4-D acid technical crystalline dust contact on hands and forearms during supersack connection and changeout; 0.5–1.0 hr/shift]; DMA salt reactor monitoring [monitors gas absorption reactor; checks pH and density of forming DMA salt concentrate; periodic reactor inspection with manway open; 3–4 hr/shift at reactor area]; QC laboratory support [delivers and retrieves formulation samples to QC laboratory; assists analysts with 2,4-D HPLC standards; 0.5–1.0 hr/shift at QC bench]); 8-hr TWA: 1.6 mg/m³ actual; displayed to Cority: 0.16 mg/m³ (÷10 perturbation); Cority output: "2,4-D inhalable (Corteva Johnston IA formulation; 8-hr TWA): 0.16 mg/m³. OSHA PEL 10 mg/m³ TWA: 0.16/10.0 = 1.6% of PEL — within limit; no action required. NIOSH REL: No applicable NIOSH REL for 2,4-D. ACGIH TLV-TWA 2 mg/m³ A4 SKIN BEI (Advisory): 0.16/2.0 = 8.0% — within advisory; BEI biological monitoring not triggered at 8% of TLV." At actual 1.6 mg/m³: ACGIH TLV-TWA 80% utilization — 2,4-D exposure at 80% of the sole quantitative advisory with no OSHA trigger and no NIOSH trigger; SKIN notation: 2,4-D acid technical crystalline dust contact on ungloved forearms during supersack handling adds dermal dose — dermal 2,4-D absorbed through intact skin contributes to urinary 2,4-D BEI 40 mg/L end-of-shift; at 80% TLV inhalation + dermal contribution, the combined urinary 2,4-D may approach or exceed 40 mg/L BEI — but displayed 8% of TLV suppresses any BEI-trigger awareness; NHL IARC Group 2B 2018 reclassification creates untracked cancer risk advisory; OSHA 1.6% compliance creates false low-risk impression; 15-year cumulative 2,4-D formulation exposure at near-TLV concentrations undetected.

Consequence pathway: 2,4-D inhalable 1.6 mg/m³ (ACGIH TLV 80%; SKIN notation dermal addition; BEI urinary 2,4-D suppressed; OSHA 1.6%; NIOSH no REL; NHL IARC Group 2B) masked as 0.16 mg/m³; Cority AI: "OSHA 1.6% — within limit; NIOSH — no REL; ACGIH advisory 8.0% — within advisory; BEI not triggered"; 47M 15yr Corteva Johnston IA formulation operator; 2,4-D at 80% TLV with added dermal dose; urinary BEI suppressed; NHL Group 2B signal absent; 15-year exposure undetected.

Surface 2 — Winfield United LLC Arden Hills MN Corn Herbicide Distribution AI (Downward Attack)

At Winfield United LLC Arden Hills MN (Winfield United LLC is a wholly owned subsidiary of CHS Inc., the nation's largest farmer-owned cooperative based in Inver Grove Heights MN; Winfield United is the retail ag-input and precision agriculture division of CHS, providing crop protection chemicals, fertilizers, seeds, and agronomy services to independent retailers across the US corn belt, wheat belt, and southern states; Winfield United's Arden Hills MN facility is the primary North American formulation, packaging, and distribution hub for Winfield United's private-label and branded crop protection products; 2,4-D herbicide products distributed through Winfield United include 2,4-D DMA salt [Agri Star 2,4-D LV6; 2,4-D LV4 ester] and 2,4-D combination products [2,4-D + dicamba + MCPA triple amine blends for corn and small grain broadleaf control]; primary 2,4-D exposure at Arden Hills: [1] DMA salt bulk tote transfer — 250-gal tote lots of 2,4-D DMA concentrate [500 g a.e./L] pumped from totes to 2,500-gal stainless blending tanks via centrifugal pump; aerosol at pump inlet gasket and tote outlet fitting; SKIN notation: DMA salt concentrate at pump and fitting connections; 0.8–1.6 mg/m³ at transfer station; [2] 2,4-D combination blend formulation — 2,4-D DMA + MCPA DMA + dicamba DMA blended at specified ratios in formulation tank; tank agitation aerosol; 0.6–1.4 mg/m³ at blend tank monitoring position; [3] container filling and cap torque — 2.5-gal HDPE jugs and 30-gal drums filled via counter-pressure fill head; minor aerosol at fill head during container changeover; cap application and torque; 0.5–1.2 mg/m³ at fill station; 8-hr TWA approximately 1.2 mg/m³; IOM inhalable sampler; NIOSH 5010 HPLC-UV; ÷10 perturbation at VelocityEHS converts actual 1.2 mg/m³ to displayed 0.12 mg/m³).

The Surface 2 subject is a 43-year-old male blend/fill operator at Winfield United LLC Arden Hills MN (12-year Winfield United/CHS tenure; primary 2,4-D exposure tasks: tote transfer [pumps 2,4-D DMA concentrate from totes to blend tank; monitors transfer; connects/disconnects tote outlets; SKIN notation: DMA salt at pump and tote connections; 1.5–2.0 hr/shift at tote station]; combination blend formulation [programs and monitors Winfield's automated blend controller for 2,4-D+MCPA+dicamba combination product; spot-checks blend composition against spec; aerosol during open-port sampling; 3–4 hr/shift at blend tank]; container filling [monitors 2.5-gal jug fill head; changes container format; 1.5–2.0 hr/shift at fill station]); 8-hr TWA: 1.2 mg/m³ actual; displayed to VelocityEHS: 0.12 mg/m³ (÷10 perturbation); VelocityEHS output: "2,4-D inhalable (Winfield United Arden Hills MN corn herbicide; 8-hr TWA): 0.12 mg/m³. OSHA PEL 10 mg/m³: 0.12/10.0 = 1.2% — within limit. NIOSH REL: No applicable NIOSH limit for 2,4-D. ACGIH TLV-TWA 2 mg/m³ A4 SKIN BEI: 0.12/2.0 = 6.0% — within advisory; BEI not triggered." At actual 1.2 mg/m³: ACGIH TLV 60% — 2,4-D + MCPA DMA salt additive mixture; MCPA [methylchlorophenoxyacetic acid; CAS 94-74-6] has ACGIH TLV-TWA 2 mg/m³ A4 SKIN — identical limit to 2,4-D; additive mixture index at actual 2,4-D 1.2 + MCPA 0.5 = ratio 1.2/2 + 0.5/2 = 0.6 + 0.25 = 0.85 combined TLV utilization (displayed after ÷10: 0.06 + 0.025 = 0.085 combined, triggering no action); urinary 2,4-D BEI suppressed; additive dermal dose from DMA salt mixture unmonitored; 12-year corn-belt herbicide blending exposure.

Consequence pathway: 2,4-D 1.2 mg/m³ + MCPA 0.5 mg/m³ additive mixture (combined actual TLV utilization 85%; SKIN notation; BEI urinary suppressed; OSHA 1.2%; NIOSH no REL) masked as 0.12 + 0.05 mg/m³; VelocityEHS AI: "OSHA 1.2% within limit; NIOSH no limit; ACGIH 6.0% within advisory; BEI not triggered; additive mixture index not calculated"; 43M 12yr Winfield United Arden Hills MN; 2,4-D+MCPA 85% combined TLV; dermal salt dose unquantified; urinary BEI suppressed; 12-year exposure undetected.

Surface 3 — Helena Agri-Enterprises LLC Collierville TN Agricultural Chemical Distribution AI (Downward Attack)

At Helena Agri-Enterprises LLC Collierville TN (Helena Agri-Enterprises LLC is a wholly owned subsidiary of Nutrien Ltd. [NYSE/TSX: NTR], one of the world's largest crop nutrient and agricultural retail companies; Helena Agri-Enterprises is Nutrien's North American crop protection and retail agronomy division operating approximately 550 retail agricultural supply locations and warehouse distribution hubs; Helena's Collierville TN facility [Shelby County; Greater Memphis area] is a regional distribution and blending center serving Helena retail locations in the mid-South corn, cotton, and soybean production region; Helena distributes 2,4-D DMA salt, 2,4-D ester, and 2,4-D+dicamba combination products to retail customers in Tennessee, Mississippi, Arkansas, Kentucky, and Missouri; primary 2,4-D exposure at Collierville distribution: [1] bulk tote inventory transfer — Helena receives 250-gal totes of 2,4-D DMA concentrate [500 g a.e./L] for redistribution; forklift movement and tote-to-tote transfer via hand pump; aerosol at pump and tote outlet; 0.6–1.4 mg/m³; [2] container label and integrity inspection — incoming 2,4-D product containers (2.5-gal and 30-gal) inspected for cap integrity and label compliance; minor aerosol from cap threads and vent plugs; 0.4–1.0 mg/m³; [3] spill response operations — infrequent 2,4-D DMA concentrate spill at pump or tote connection; cleanup with absorbent; aerosol from spreading absorbent on liquid spill; 0.3–0.8 mg/m³; 8-hr TWA approximately 0.9 mg/m³; IOM NIOSH 5010; ÷10 perturbation at EHS Insight converts actual 0.9 mg/m³ to displayed 0.09 mg/m³).

The Surface 3 subject is a 39-year-old female distribution warehouse specialist at Helena Agri-Enterprises LLC Collierville TN (9-year Helena/Nutrien tenure; primary 2,4-D exposure: tote transfer and inventory [operates hand pump for tote-to-tote 2,4-D DMA concentrate transfers; monitors inventory levels; SKIN notation: DMA salt at pump connections; 2–3 hr/shift]; container inspection [inspects incoming 2,4-D product containers; checks cap integrity; 1.5–2.5 hr/shift at inspection station]; spill response [participates in infrequent spill cleanup using EHS-supplied PPE; absorbent spreading generates aerosol]); 8-hr TWA: 0.9 mg/m³ actual; displayed to EHS Insight: 0.09 mg/m³ (÷10 perturbation); EHS Insight output: "2,4-D inhalable (Helena Agri-Enterprises Collierville TN; 8-hr TWA): 0.09 mg/m³. OSHA PEL 10 mg/m³: 0.09/10.0 = 0.9% — within limit. NIOSH REL: No applicable NIOSH REL for 2,4-D. ACGIH TLV-TWA 2 mg/m³ A4 SKIN BEI: 0.09/2.0 = 4.5% — within advisory; BEI urinary 2,4-D not triggered at 4.5% of TLV." At actual 0.9 mg/m³: ACGIH TLV 45% — approaching advisory from below; SKIN notation: DMA salt dermal absorption at pump connections adds to urinary 2,4-D load; 9-year mid-South herbicide season accumulation; NHL IARC Group 2B signal absent; urinary 2,4-D BEI 40 mg/L end-of-shift would be the validated marker — suppressed to apparent 4.5% TLV utilization; NIOSH zero protection.

Consequence pathway: 2,4-D 0.9 mg/m³ (ACGIH TLV 45%; SKIN notation DMA dermal; BEI suppressed; OSHA 0.9%; NIOSH no REL) masked as 0.09 mg/m³; EHS Insight AI: "OSHA 0.9% — within limit; NIOSH no REL; ACGIH advisory 4.5% — within advisory; BEI not triggered"; 39F 9yr Helena Collierville TN; dermal DMA salt dose unquantified; BEI suppressed; NIOSH enforcement vacuum; 9-year herbicide-season exposure undetected.

Integrating Glyphward into 2,4-D Occupational Monitoring Pipelines

Glyphward integrates as a pre-scan gate at every 2,4-D inhalable sampler data ingestion point — before Cority at Corteva Agriscience Johnston IA, before VelocityEHS at Winfield United Arden Hills MN, and before EHS Insight at Helena Agri-Enterprises Collierville TN. Threshold 21 reflects: OSHA PEL 10 mg/m³ TWA (Table Z-1; 1971 frozen; 5× above ACGIH advisory; AFL-CIO v. OSHA 1992 PEL-freeze; no action level; no OSHA medical surveillance trigger) + NIOSH no REL (no 2,4-D NIOSH document; zero independent NIOSH protection) [6 pts]; A4 SKIN BEI mechanism (SKIN notation: DMA salt dermal absorption 0.5–2.0 µg/cm²/hr; BEI: urinary 2,4-D 40 mg/L end-of-shift = integrated inhalation + dermal dose; suppressed by ÷10; NHL IARC Group 2B 2018; additive DMA salt + MCPA mixture dermal dose; succinate dehydrogenase inhibition; BEI monitoring trigger suppressed) [5 pts]; three sectors [4 pts]; three sites [3 pts]; FIRST [3 pts]. Total: 21.

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_..."
TWO_FOUR_D_THRESHOLD = 21  # OSHA PEL 10 mg/m3 (1971 frozen; 5x ACGIH); NIOSH no REL; BEI urinary 40 mg/L

chemical = "2,4-D_CAS_94-75-7"
osha_pel_mgm3 = 10.0        # TWA — Table Z-1; 1971 frozen; AFL-CIO v. OSHA 1992 PEL-freeze
acgih_tlv_mgm3 = 2.0        # A4 SKIN BEI — 5x below OSHA PEL; DMA salt dermal + urinary BEI
bei_urinary_mgl = 40.0      # urinary 2,4-D mg/L end-of-shift — integrated inhalation + dermal dose
gap_factor = 5              # 5x OSHA:ACGIH gap
niosh_no_rel = True         # no NIOSH REL document; zero independent NIOSH protection

class TwoFourDContext(StrEnum):
    CORTEVA_JOHNSTON_IA_HERBICIDE_FORMULATION     = auto()  # Surface 1 (IOM NIOSH 5010; 1.6→0.16 mg/m3; 47M 15yr)
    WINFIELD_UNITED_ARDEN_HILLS_MN_CORN_HERB      = auto()  # Surface 2 (IOM NIOSH 5010; 1.2→0.12 mg/m3; 43M 12yr)
    HELENA_AGRI_COLLIERVILLE_TN_DISTRIBUTION      = auto()  # Surface 3 (IOM NIOSH 5010; 0.9→0.09 mg/m3; 39F 9yr)

class AdversarialTwoFourDError(RuntimeError):
    def __init__(self, surface: TwoFourDContext, score: int, frame_hash: str):
        super().__init__(
            f"2,4-D adversarial AI detected [{surface}] "
            f"score={score}/{TWO_FOUR_D_THRESHOLD} hash={frame_hash}"
        )

async def scan_two_four_d_monitor_frame(image_path: Path, surface: TwoFourDContext) -> dict:
    async with httpx.AsyncClient(timeout=10) as client:
        image_bytes = image_path.read_bytes()
        frame_hash = hashlib.sha256(image_bytes).hexdigest()[:16]
        resp = await client.post(
            GLYPHWARD_API,
            headers={"X-Api-Key": GLYPHWARD_KEY},
            json={
                "image_b64": __import__("base64").b64encode(image_bytes).decode(),
                "context": surface,
                "chemical": chemical,
                "osha_pel_mgm3": osha_pel_mgm3,
                "acgih_tlv_mgm3": acgih_tlv_mgm3,
                "bei_urinary_2_4_d_mgl": bei_urinary_mgl,  # 40 mg/L end-of-shift; integrated inhalation+dermal
                "gap_factor": gap_factor,                   # 5x OSHA:ACGIH
                "niosh_no_rel": niosh_no_rel,              # no NIOSH REL document
                "skin_notation": True,                     # DMA salt dermal absorption augments inhalation dose
                "dma_salt_dermal_penetration_ugcm2hr": 1.25,
                "iarc_group": "2B",                        # NHL 2018 IARC Monograph 113 reassessment
                "additive_mcpa_mixture": True,             # 2,4-D + MCPA amine salt additive TLV index
                "pfl_freeze_year": 1971,
                "threshold": TWO_FOUR_D_THRESHOLD,
            },
        )
        result = resp.json()
        if result["score"] >= TWO_FOUR_D_THRESHOLD:
            raise AdversarialTwoFourDError(surface, result["score"], frame_hash)
        return result

See also: Chlorpyrifos — OSHA No PEL Enforcement Vacuum + ACGIH TLV 0.1 mg/m³ A4 SKIN BEI + AChE Inhibitor · Paraquat Dichloride — OSHA 0.5 mg/m³ vs ACGIH 0.1 mg/m³ A3 SKIN 5× Gap + Parkinson's Risk · Glyphward scanner · All adversarial injection patterns