Core Teachings
- The wind never lies.
Every movement of air draws a map.
When gas escapes, the wind becomes both messenger and threat.
Learn to read it—your life depends on that small skill. - We will not move with the wind, nor against it. We will move perpendicular to it.
Running with the wind is running with the gas.
Running against it forces you to breathe what’s between you and the source.
The safe path is sideways—ninety degrees across the breeze—out of the invisible corridor where danger travels. - The wind defines the border between life and death.
Imagine a river you cannot see.
Its current carries poison.
Step to the side, not into the flow, and you reach clean air before the current reaches you. - If the air hits your face, you are safe only after leaving the plume.
Upwind is clean, but not if you must cross the contaminated core to reach it.
Always move perpendicular first; once the smell fades, then turn toward the source of the wind. - Speed without direction is useless.
Downwind running feels quick but keeps you inside the gas.
Two slow steps sideways beat a hundred forward.
Exposure is measured in breaths, not in distance. - The wind teaches discipline.
Never argue with it; never follow it.
Respect its path and stay at its side.
The perpendicular way is the path of survival. - Assembly points are drawn from the wind’s memory.
Engineers study years of weather data to place them.
They sit outside the plume’s usual reach, often along crosswind lines or slightly upwind.
Go there, even if it feels longer—those extra steps are your protection. - Indoors, air becomes your trap.
Shut off ignition, don’t touch switches, leave fast.
Once outside, forget the walls—your compass is the wind.
Face it, feel it, then step sideways. - When vision fails, the skin remembers.
Dust, leaves, or flags will show you the direction.
Move at a right angle to that line.
Every second sideways buys you time to breathe again. - Law follows physics.
The Occupational Safety and Health Administration (OSHA) in the United States demands written emergency plans with clear escape routes.
The National Institute for Occupational Safety and Health (NIOSH) and the U.S. Chemical Safety Board (CSB) record that survivors move perpendicular or upwind.
In Europe, the Seveso III Directive—through the Dutch BRZO 2015 decree—forces industries to plan using wind data.
Dutch labor law (Arbowet) and the Company Emergency Response duty (BHV) require every worker to train for it. - Science confirms the wisdom.
NOAA dispersion maps show toxic plumes expanding downwind like a cone.
Concentration falls sharply outside that shape.
The quickest way to safety is not forward or backward—it’s sideways. - Never wait for orders to breathe.
In any release—hydrogen sulfide, chlorine, ammonia—the rule is the same.
If you can move, move across the wind.
Clean air lives at your flank. - The simplest memory can save you.
- Face the breeze.
- Turn ninety degrees.
- Walk until you feel nothing on your tongue or eyes.
- Then go to the marked assembly point.
- Culture mirrors safety.
The Dutch phrase fijne avond—“have a pleasant evening”—is short, calm, and precise.
Safety language must be the same.
Words that everyone understands become habits that everyone survives by.
Definitions
Perpendicular to the wind (crosswind) – A direction at a right angle to airflow; fastest route out of a gas plume.
Upwind – Where the wind comes from; clean only after leaving the plume.
Downwind – The direction the wind carries gas; most dangerous zone.
Assembly point – Predetermined safe area chosen through wind-rose and terrain analysis.
Sources
- OSHA – Emergency Action Plan eTool: https://www.osha.gov/etools/evacuation-plans-procedures/eap/elements
- OSHA – 29 CFR 1910.38 Emergency Action Plans: https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.38
- NIOSH – Hydrogen Sulfide Pocket Guide: https://www.cdc.gov/niosh/npg/npgd0337.html
- NOAA CAMEO – Hydrogen Sulfide Response Guidance: https://cameochemicals.noaa.gov/chemical/3625
- CSB – Aghorn Hydrogen Sulfide Release (Video): https://www.youtube.com/watch?v=jh2HWT8gPeY
- CSB – Aghorn Investigation Report: https://www.csb.gov/aghorn-operating-inc-waterflood-station-hydrogen-sulfide-release-/
- ExxonMobil Pipeline – Emergency Responders Booklet: https://www.exxonmobilpipeline.com/-/media/project/wep/exxonmobil-pipeline/pipeline/public-awareness/brochures/booklet-emergency-officials.pdf
- Pipeline Awareness – Emergency Response Guidelines: https://pipelineawareness.org/media/pvwlpbin/2020-pipeline-emergency-response-guidelines.pdf
- Dutch Government (Arboportaal) – BHV Legal Duties: https://www.arboportaal.nl/onderwerpen/bedrijfshulpverlening/wat-zegt-de-wet-over-bedrijfshulpverlening
- Business.gov.nl – BRZO 2015 (Seveso III Implementation): https://business.gov.nl/regulation/working-hazardous-substances/
- European Commission – Seveso Industrial Safety Report 2025: https://environment.ec.europa.eu/news/seveso-report-european-industrial-safety-improved-2025-09-19_en
- NIPV (Dutch Institute for Safety) – Outdoor Guidance “Haaks op de wind”: https://nipv.nl/wp-content/uploads/2022/04/20191212-BRNL-Handleiding-Omgevingsveiligheid-Mensen-op-Buitenlocaties-3-1.pdf