#ventilation
All the places we've been to so far, even small neighbourhood ramen joints have had really good #ventilation.
Reminded of that at Ajinoya today (pic1). I was a bit concerned but remembered/figured having the griddle right in front it was ventilated well.
2nd pic from a trip a couple of weeks ago to another #Osaka spot (stay tuned for a #Ramen report/thread) - there was even a mister and you could see all the vapors getting sucked away
So-- parts of the WHO Clean Air conference is in english. I just briefed through it real quick, the English version (well it is listed as the english version but some of the presentations are in different languages so you have to breeze through it) but it is at: https://www.youtube.com/watch?v=Czqc02wbYd0 and this screenshot is one gold nugget of info they had presented (higher outbreaks in classrooms with higher CO2 levels) #ventilation #covid19 #CovidIsNotOver #COVIDisAirborne
How to Balance Clean Indoor Air & Sustainability by @joeyfox
https://itsairborne.com/how-to-balance-clean-indoor-air-sustainability-af0f1d0dd442
Wer eine Impfung mit den aktualisierten #Corona-Boostern haben will findet mitunter keinen Arzt, der die #Impfung auch anbietet.
Impfwillige in #Bremen können nun die 116117 anrufen. Dort wird ihnen dann ein Termin vermittelt. Damit soll der Zugang zur Impfung erleichtert werden.
#ImpfenSchuetzt #StikoEgal #LassDichImpfen #AlterEgal #CovidIsNotOver #CleanAir #Ventilation #Tests #MasksInMasses
Hackaday Prize 2023: AutoDuct Smart Air Duct https://hackaday.com/2023/09/15/hackaday-prize-2023-autoduct-smart-air-duct/ #2023HackadayPrize #TheHackadayPrize #ventilation #greenhacks #cooling #heating #shutter #green #duct #home #hvac #vent #fan
Hackaday Prize 2023: AutoDuct Smart Air Duct - Modern building techniques are relying more and more on passive elements to improv... - https://hackaday.com/2023/09/15/hackaday-prize-2023-autoduct-smart-air-duct/ #2023hackadayprize #thehackadayprize #ventilation #greenhacks #cooling #heating #shutter #green #duct #home #hvac #vent #fan
I made one of those Rimsky-Korsakov boxes. #covid #wildfires #ventilation #CorsiRosenthal
The no-brainer that works in every school is a good portable (HEPA)filter in every space that's sized approp for the space," said AQ expert/engineer Jeffrey Siegel.
We often think about the💰related to upgrading HVACs... “The real thing we should be looking at is what's the cost of not doing it?"
https://tinyurl.com/3jhjw7zp
#ventilation #filtration #AirQuality
#CleanAir #schools
It’s not rocket 🚀 science.👇
Not peer reviewed yet, but an RCT led by Prof @cathnoakes found that HEPA filtration significantly reduced school absenteeism during a large Covid wave. https://tinyurl.com/55hsupcy
From the CDC: “Ventilation interventions can reduce the spread of disease…”
We need to continue to advocate for clean air in schools, bldgs, offices…everywhere!:)
https://tinyurl.com/dsp75yfm
#filtration #ventilation #COVID19 #CleanAir #ASHRAE
'The Covid-19 pandemic highlighted the importance of good #ventilation in the prevention of #airborne diseases. Many classrooms are poorly ventilated, increasing the risk of a child or member of staff contracting an airborne illness.' @JhongflowImg et al
https://pubs.aip.org/aip/pof/article-lookup/doi/10.1063/5.0050058
Creating healthy #schools:
'🇺🇸US schools that used improved outdoor #air #ventilation together with other mitigation strategies had lower rates of Covid-19 transmission compared to the rest of the community.' Report: @JohnDMacomber et al., @HarvardHBS https://www.hbs.edu/faculty/Pages/item.aspx?num=63397
On Condensation Management - Learn how you can best avoid problems with condensation, damp and mould in winter. #mould #condensation #ventilation - https://www.earth.org.uk/note-on-condensation-management.html
There must be a reason why the UK 'Health Security' Agency removed public health from its name.
No recognition that we are still in a pandemic with an airborne virus, risks of long covid and & that UK kids are not being offered the vax, #CleanAir or #ventilation.
But yes, keep recommending hand washing
https://ukhsa.blog.gov.uk/2023/09/08/a-parents-guide-to-keeping-kids-healthy-this-school-year/
@Fischblog PS: auch gegen Pertussis helfen #Masken #Ventilation und #Luftreiniger
@PaulWermer @thepoliticalcat @Porpentina2017
I’m an old enough fart too and I worry about all of us.
Old farts don’t deserve to die early (young) and struggle with long Covid and then die young anyways.
@Sheencr @trishgreenhalgh
@SusanMichie
@chrischirp
Thanks v much for flagging up the #IndependentSAGE session on youtube today.
Just want to say a personal thanks to those taking part - was a great session, really useful and interesting information, analysis and ideas/examples (& answers to public questions on current #vaccine etc.).
And all in easy watch, easy understand mode! 😀 Thanks!
Recommendations for placing a #CorsiRosenthalBox in a room with one window and some, not-great, cross- #ventilation?
In the door blowing toward the hall - sucking outside air in from the window and blowing filtered air, likely with some virus particles, into the rest of the house
In the window blowing outside air into the room (may as well just use a regular fan)
In the window blowing inside air out the window (ditto)
Other?
have a new shot for a huge swath of the population to better protect ppl against the newer variants or long Covid. Tighten your skates, folks. WE CAN DO BETTER. #universalvaccine #nasalvax #ventilation #longcovidtreatmenttrials #Covid #longcovid #booster
Dominique Costagliola : «Avec le Covid, on a vu ce qui arrive quand on fait du court-termisme» #Eaux_usées #testing #covid #masques #ventilation #vaccin https://justpaste.it/dfc6f
On Condensation Management - Learn how you can best avoid problems with condensation, damp and mould in winter. #mould #condensation #ventilation - https://www.earth.org.uk/note-on-condensation-management.html
A regular reminder that the goal is *not*
“A #HEPAFilter in every classroom”,
it’s
“Achieving #cleanair delivery targets in every classroom”
This may be mechanical #ventilation, multiple portable air filters, or both.
The goal is achieving real risk reduction, not a box ticking exercise with little impact.
The portable air filter recommendation tool at https://filters.cleanairstars.com was built with this is mind, helping achieve clean air delivery targets at required noise levels.
Excellent news. Plastic dividers are crap and block ventilation - they make COVID risk higher.
CP24: Changes coming to Metrolinx, including removed plastic barriers and increased service https://www.cp24.com/news/changes-coming-to-metrolinx-including-removed-plastic-barriers-and-increased-service-1.6544911
https://botsin.space/@cp24/110991430253009250
#COVID19 #Ventilation #CleanAir #Transit #PublicTransit #PublicHealth
#urbexphotography #urbex #UrbanExploration #abandoned #exploration #abandonedplaces #abandonedbuilding #hotel #photography #urban #photos #roof #rooftop #chill #chilling #outside #view #plant #sea #boats #pipes #machinery #mountains #ventilation #Ventilator #sun #sunlight #silhouettes
The roof, the view and more.
(This post is the continue of my previous post)
2/2
This noise level alert from this watch is interesting. Could be useful if watches or phones had a similar warning for prolonged elevated CO2 to guide people into ventilating their spaces or limiting exposure duration where someone’s risk profile means it’s important for them to know.
#IAQ #CleanAir #Ventilation
“So, Joe, if it's not that hard to do, not super expensive, offers better health outcomes and better schooling outcomes, what's up, why hasn't this money been spent?”
Nice piece with Joe Allen, director of Healthy Buildings at Harvard, on how to improve indoor air quality in schools. #Ventilation #COVID19
And so, children, that’s how we ended up spending your COVID money on sports infrastructure https://cbs58.com/news/mps-defends-decision-to-not-expand-air-conditioning-with-covid-aid-money. #ESSERfunds #Covid #Ventilation
@Billius27 @harriettmb Grateful for comprehensive manifesto by #healthcare workers. I liked the part about “multi-layered protections. That’s a useful phrase. People take #ventilation and #vaccination for granted, ignoring #testing and #tracing. I was unfamiliar with the term #nosocomial, but not the concept. Members of my circle of friends, family working in healthcare note patients’ vulnerability to #airborne disease. Elder friends awaiting care in ERs contracted Covid-19.
Review: WAINLUX K8, a Diode Laser That’s Ready to Work - Rarely a week goes by that some company doesn’t offer to send us their latest and ... - https://hackaday.com/2023/08/28/review-wainlux-k8-a-diode-laser-thats-ready-to-work/ #laserengraver #ventilation #laserhacks #diodelaser #grbl_esp32 #airassist #airfilter #featured #interest #reviews #laser
It’s time. Clean air can keep schools open…
An Italian study of schools estimated that students in classrooms equipped with ventilation systems or devices that deliver clean air had at least a 74%⬇️ risk of infection than those in classes with windows open.
#ventilation #COVID19 #CleanAir
https://www.nytimes.com/2023/08/27/health/schools-indoor-air-covid.html
@arstechnica from this it’s clear they don’t have the data to know IF it’s a VOC if governments aren’t reporting it to them. The fear of running blind is being realized. #BA286 #MassDisablingVirus #MasksWork #Ventilation #Filtration
less effective. Please CDC, do a better job at protecting & informing the public about a crippling virus that is leaving 1 in 10 (per CDC numbers) with long Covid. Thanks. #Covid #CDC #LongCovid #Ventilation
https://x.com/cdcgov/status/1695182347820486733?s=46&t=GARxQm36bD-Y6rfvMLFzGg
My latest: Public Pushes Back On #CDC’s Plan To Weaken Infection Control via
@forbes
Recap of the #HICPAC meeting
https://www.forbes.com/sites/judystone/2023/08/25/public-pushes-back-on-cdcs-plan-to-weaken-infection-control/?sh=2f292ef57179
#Covid #CovidIsAirborne #LongCovid #disabilities #ADA #aerosol #ventilation
Hey, my response to @GottaLaff about the Covid-19 policy in my psychology practice is the most boosted thing I've ever posted! I have been feeling like the last virgin in college with the level of precaution I take. The boosts make me feel so much better.
#MaskUp #Ventilation #Filtration #Covid
Saturday, lunch for a birthday celebration in a restaurant private dining room. 14 of us, one person had a cold but there was really powerful #ventilation operating. As we sat down to eat, one bloke (not the host) said, 'It's too cold, we all want that switched off, right?' One woman said, 'Oh but some of us are menopausal.' He ignored her and told the waiter to switch it off. Today we learn the host and one of her relatives have tested positive for #Covid, so they had to cancel a holiday. Sigh
Urgent issue: #CDC Poised To Weaken Masking, Infection Control via @forbes https://www.forbes.com/sites/judystone/2023/08/21/cdc-poised-to-weaken-masking-infection-control/ #aerosol #ventilation #masks #N95. #InfectionControl Thx to @brosseau_lisa @NationalNurses @jane_nnu @CorsIAQ for interviews. Public comment ends 8/25
@plaguepoems @RussSharek
Those erasable deadly #Covid cases with “comorbidities” = the 10% of the people in the population who are disabled
Which now includes people who’ve had Covid multiple times, who eventually stop being “most people”
They become the “other people”
They should be asked to define who are these Most People and how many there are
And what happens to the ones in the room right then who aren’t included
@augieray TY for this 🧵 . #COVID is not done with us and may never be. Durable vaccine protection hasn't happened yet, is difficult to achieve, and will take time to prove. Public health and engineering measures-- #Masks #Ventilation -- do help a lot, but governments have downplayed the actual risk of infection/re-infection giving naysayers the opportunity to put out disinformation that harms many. Vaxxed/Masked here in Hawaii.
An excellent summary of what can be done to make our schools safer.
And public buildings safer.
And ALL buildings safer.
Why Haven’t We Made It Safer to Breathe in Classrooms?
by Zeynep Tufekci
for The New York Times
This piece focuses on indoor air quality (viral and otherwise) in schools, but is absolutely instructive about air purification systems folks can use in their homes or businesses.
1/2
We got one of these for our school (1...), 14 classes... I did some early experiments with class and staff room, meeting room - I have been 'cracking' a window on each side of the room every day since.
I highly recommend this
#ventilation #airflow
While portable air cleaners as a component of a #cleanair strategy can be cost-effective, there are situations where:
1. they will add little value to a space with adequate ventilation
2. incurred costs fail to deliver the desired clean air delivery targets.
Here is a single device in a well ventilated school library delivering 340m3/hr (1.5L/p/s) clean air.
If it were poorly ventilated, for around the same budget you could deliver 2700m3/hr (15L/p/s) clean air.
This is why even indoors, the act of opening windows where there is little air movement (wind, convection currents) to exchange air may not sufficient to adequately reduce bioaerosol concentrations.
From: @DrZoeHyde
https://mstdn.science/@DrZoeHyde/110763848670494830
When a team of doctors, scientists and engineers at Addenbrooke’s Hospital and the University of Cambridge placed an air filtration machine in #COVID19 wards, they found that it removed almost all traces of airborne SARS-CoV-2.
#Covid #SarsCov2 #IAQ #ventilation #AirFiltration #HEPA #CleanAir #CovidIsAirborne
@sundogplanets @jljcolorado here’s the link to my post on bird site because the Times url is too long for a post. #ventilation #covid19 #co2monitor https://twitter.com/odaraia/status/1681411458687721472?s=46&t=IU625HtOJHSCypaO5NIHkA
I'm at the point of ordering parts to implement a simple system for extracting fumes from a 3d printer and soldering.
The plan is to have both the printer and solder space go to a T junction and inline fan. But as both aren't constant I will have variable pressure/extraction.
This seems like a fine setup on paper. Anyone out there want to tell me this is a bad idea?
Changing Australia’s approach to managing COVID-19 pandemic may help reduce burden on health system – Croakey Health Media https://www.croakey.org/changing-australias-approach-to-managing-covid-19-pandemic-may-help-reduce-burden-on-health-system/ “Many layers can be applied to drive down #transmission and minimise the impact of the #virus, including a comprehensive #COVID19 education campaign, improving data collection and focusing on #ventilation and indoor #AirQuality.” Via @jvipondmd
“One thing that is apparent — our buildings are not currently designed sufficiently for mitigation of airborne diseases. The discrepancies between current indoor air quality standard (ASHRAE 62.1) and control of infectious aerosols (ASHRAE 241) is evidence of how much work needs to be done to provide safe and healthy indoor environments.“
- @joeyfox
New post:
https://www.harihareswara.net/posts/2023/my-current-covid-risk-approach/
I follow 4 main principles to reduce my risk of catching #COVID:
1. Avoiding sharing unfiltered air with people outside my household
2. Noticing how safe I am & raising precautions accordingly
3. Focusing on protecting myself over protecting unmasked people (in general)
4. Spending money
I detail those principles + my specific protocols (#masking, #ventilation, self-#testing, &c.), with links to product vendors.
Associations between illness-related absences and ventilation and indoor PM2.5 in elementary schools of the Midwestern United States - ScienceDirect https://www.sciencedirect.com/science/article/pii/S0160412023002179 “Higher #classroom #ventilation rates significantly reduced #illness-related absences.
•
Higher concentrations of indoor long-term monitored #PM25 were significantly associated with increased illness-related absences.”
Seattle Space Needle is another #CovidSafeBusiness! This should be a model for all public spaces for #IAQ #IndoorAir #CleanAir
This iconic building has upgraded:
-#Ventilation: air changes over at least 6x per hour and in some spaces up to 30x per hour".
-#Filtration: Using HEPA and Merv-13 filtration
-#UVC light behind-the-scenes to clean the air as it changes over through the HVAC system.
Still trying to catch up with #TWiV. 😅 May 18, 2023: https://www.microbe.tv/twiv/twiv-1008/
The CDC finally issued #ventilation guidance for buildings! 5 air changes per hour. To compare, negative pressure isolation rooms in hospitals have at least 12 air changes per hour. A standard hospital room has 6 air changes per hour. Dr. Griffin would love to see air changes per hour posted on public buildings to make educated decisions about #COVID risk. 1/
The US Centers for Disease Control and Prevention has extensively updated its ventilation guidance on helping prevent indoor transmission of the virus that causes Covid-19.
The agency had advised people to ventilate indoor air before, but this is the first time a federal agency has set a target – five air changes per hour – for how much rooms and buildings should be ventilated.
#CleanAir #Covid19 #CovidIsNotOver #Ventilation
https://www.cnn.com/2023/05/12/health/cdc-new-ventilation-target/index.html
As of May 12, 2023, the CDC recommends "at least 5 air changes per hour of clean air in occupied spaces" and published a table of cost considerations for various ventilation and air filtration strategies
RT birdsite
“This is HUGE.
CDC, for the first time ever, has set a minimum ventilation target (5 air changes per hour) for all occupied indoor spaces. The CDC released new and updated guidance on ventilation in buildings this morning”
5 ACH is not enough, but in most places will be an improvement.
Also interesting this comes out 5/11/23, the day the pandemic emergency officially ends.
For the first time, CDC has set a minimum ventilation target- 5 air changes per hour (ACH)- for all occupied indoor spaces and released new and updated guidance on ventilation in buildings:
#IAQ #Ventilation #ACH #IndoorAirQuality #COVID #COVID19 #HVAC
https://cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/Improving-Ventilation-in-buildings.html
51% of K-12 #school districts did not report using any #ventilation improvements in accordance to CDC #COVID guidelines. Interestingly, high-poverty school districts reported implementing the most ventilation strategies, relatively. 12/
My three siblings, on the other hand, seem to understand their individual relationships to greater humanity, and take personal responsibility seriously. They all wear #respirators, do not allow themselves to justify spreading disease to others, understand the importance of #HEPA and #ventilation, and ask me for advice, guidance, support, etc. when needed (which happens to be frequently!).
I couldn’t be luckier to have them. ❤️
This would be less of an issue if the theater took precautions like air purifying, improving #ventilation, imposing a #MaskMandate for audience members, testing the cast members…but no. Because we’re all sick of #COVID and want to “get back to normal” and all.
@pezmico What kind of "UV light" might that be?
I have a hard time to find reliable info about UV/ UVC / Far-UVC. That is maybe helpful technology, but it is potentially dangerous, too.
Which solution/ product has usability for the "normal" user?
#UV #UVC #DavosStandard #CleanAir #Ventilation #Filtration #CovidIsNotOver
I wrote a blogpost about our experience with demand-controlled central ventilation in a family house. It's in Czech, but DeepL translates it well.
#energy #ventilation
https://blog.eischmann.cz/2023/03/13/zkusenosti-s-rizenym-vetranim-v-rodinnem-dome/
UPDATE: My brother stayed #COVID FREE according to all test results over the past 7 days!
How can we trust the test results given the evasiveness of #kraken?
Maybe we can’t completely, but the fact that he took #RAT on days 0 to 6, waited until 6+ days had gone by, THEN got his #PCR and #NAAT samples taken (all negative) seems good.
PLUS no development of symptoms. Slept in a #N95. #HEPA and #ventilation also helped keep him healthy!
Belgium will be requiring proprietors of indoor spaces to post information about how ventilated indoor air is. I hope this becomes a trend worldwide. https://www.nature.com/articles/d41586-023-00642-9 #Covid #Flu #Ventilation #COVIDisAirborne #Health
By opening my door for 10 minutes, I lowered the CO2 in my house from ~1350 ppm to ~615 ppm.
It's important to exchange air, esp in the winter months, it helps clear the mind, it's good for the body, and helps get rid of allergens and viruses that might be stuck in the air in your space.
So nice to see some places still have good #Covid protocols in place.
This is from Booksmith in San Francisco, about tonight's event: "ID and proof of full vaccination, including at least one booster shot, will be required at the door. #Masks will be required throughout the duration of the event, capacity will be limited to allow indoor distancing, and we'll have extra #ventilation in place."
Agreed!!
Where the heck are new #ventilation standards for all #industry, #entertainment, #dining, and #transportation? Could save millions in the next epidemic.
One way to help 'Avoid COVID and Other Respiratory Viruses' @TactNowInfo
'Increase #ventilation as much as possible to maintain CO2 level <600 ppm to ensure an adequate supply of fresh air and old air building up is being sucked out of the space'.
Canada has surpassed 50,000 Covid related deaths.
(Crickets in the news media)
This is equal to obliterating
North Vancouver, BC,
the West End, Vancouver, BC,
Brandon, Manitoba, or
Belleville Ontario, for example.
The BCCDC last reported 27 deaths due to Covid in BC in just one week.
I am outraged!
Are you?