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Old December 17th, 2013, 05:34 PM   #10241
ChrisZwolle
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air quality

The air quality in the Netherlands has improved over the last three years, the NSL monitoring programme shows. Nearly all locations meet the European limits of NOx and PM10. However there are a number of remaining locations where air quality is slightly above the limit, chiefly around cattle farms and in some cities.

* nitrogen concentrations increased slightly in 2013 over 2012, 13 km of road/streets exceeded limits in 2013 over 11 km in 2012.

* nitrogen limits are exceeded along a few busy urban roads, not high volume motorways.

* particle concentration limits are exceeded along 4 km of road, all due to nearby industry and cattle / poultry farms.

* the share of pollutants from neighboring countries increased, some city locations exceeded the limits for that reason.

* livestock farms remain an issue. Areas with intensive cattle and poultry farms are exceeding the limits, mostly in rural Brabant and Gelderland.

* Euro V passenger car engines did not improve emissions over euro IV as much as expected.

* Euro VI truck engines meets the expectations, emissions are 90% lower than Euro V.

* A European approach is key, because of the large share of pollutants originating from other countries.
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Old December 17th, 2013, 05:40 PM   #10242
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I saw this:

Quote:
Originally Posted by ChrisZwolle View Post
However there are a number of remaining locations where air quality is slightly above the limit, chiefly around cattle farms and in some cities.
And somehow understood it as this:

Quote:
Originally Posted by ChrisZwolle View Post
However there are a number of remaining locations where air quality is slightly above the limit, chiefly around cattle farms within some cities.
That was a weird and scary moment.
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Old December 17th, 2013, 05:51 PM   #10243
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There are some major CAFOs nearby. Netherlands has now some CAFO operators with more than 40.000 pigs per facility.
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Old December 18th, 2013, 04:48 PM   #10244
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Quote:
Originally Posted by ChrisZwolle View Post
The air quality in the Netherlands has improved over the last three years, the NSL monitoring programme shows. Nearly all locations meet the European limits of NOx and PM10. However there are a number of remaining locations where air quality is slightly above the limit, chiefly around cattle farms and in some cities.

* nitrogen concentrations increased slightly in 2013 over 2012, 13 km of road/streets exceeded limits in 2013 over 11 km in 2012.

* nitrogen limits are exceeded along a few busy urban roads, not high volume motorways.

* particle concentration limits are exceeded along 4 km of road, all due to nearby industry and cattle / poultry farms.

* the share of pollutants from neighboring countries increased, some city locations exceeded the limits for that reason.

* livestock farms remain an issue. Areas with intensive cattle and poultry farms are exceeding the limits, mostly in rural Brabant and Gelderland.

* Euro V passenger car engines did not improve emissions over euro IV as much as expected.

* Euro VI truck engines meets the expectations, emissions are 90% lower than Euro V.

* A European approach is key, because of the large share of pollutants originating from other countries.
Recently there were some reports stating that new engines, often small and turbocharged, while maybe cutting back a bit on CO2 emissions, are emitting a lot more particulates, do you know if that is going to be an issue for the near future concerning the particle concentration limits?
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Old December 18th, 2013, 04:58 PM   #10245
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A far smaller share of particulate concentrations ("fijnstof" in Dutch) can be traced back to traffic sources than with nitrogen dioxide. Most problematic spots with particulates are due to background concentrations, whereas most problematic spots with NO2/NOx are the result of traffic sources (especially in dense urban areas with lots of congested traffic and buses).

Personally I think the government should do more to reduce the emissions of mopeds and scooters. While they may contribute only a small amount of all emissions, they are emitted right where people cycle and inhale it. It's ridiculous that you breathe smoke everytime an annoying scooter flies by.
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Old December 18th, 2013, 05:38 PM   #10246
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I think a good measure would be to disallow non-electrical vehicles on bike paths.
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Old December 18th, 2013, 05:40 PM   #10247
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Are non-electrical vehicles allowed on bike paths now?
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Old December 18th, 2013, 05:45 PM   #10248
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Yes, and it's a disaster.
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Old December 18th, 2013, 06:06 PM   #10249
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Quote:
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Are non-electrical vehicles allowed on bike paths now?
Yes, gas-powered scooters limited to 25km/h are allowed on bike paths. They are called "snorfietsen"
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Old December 18th, 2013, 07:29 PM   #10250
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I think a good measure would be to disallow non-electrical vehicles on bike paths.
Surely non-electric vehicles would include bicycles?
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Old December 18th, 2013, 08:41 PM   #10251
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Surely non-electric vehicles would include bicycles?
Yes, I meant disallow scooters, mopeds and the likes (unless electric and limited to 30km/h). This would allow for introduction of helmet laws for cyclists, which I also favor, so a win-win: no noisy polluting mopeds + helmets for everyone.
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Old December 18th, 2013, 10:12 PM   #10252
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Yeah.. won't see that happening anytime soon.
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Old December 18th, 2013, 10:14 PM   #10253
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Please not another Suburbanist+Bike Helmets discussion...
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Old December 19th, 2013, 01:49 AM   #10254
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Quote:
Originally Posted by ChrisZwolle View Post
A far smaller share of particulate concentrations ("fijnstof" in Dutch) can be traced back to traffic sources than with nitrogen dioxide. Most problematic spots with particulates are due to background concentrations, whereas most problematic spots with NO2/NOx are the result of traffic sources (especially in dense urban areas with lots of congested traffic and buses).

Personally I think the government should do more to reduce the emissions of mopeds and scooters. While they may contribute only a small amount of all emissions, they are emitted right where people cycle and inhale it. It's ridiculous that you breathe smoke everytime an annoying scooter flies by.
Ok, makes sense, thanks.

I agree on the emissions and noise of those scooters. They make a lot more noise than cars or even lorries, up to the point where even if there is a motorway next to your window a scooter will still make more noise if he passes through your street.

Quote:
Originally Posted by Suburbanist View Post
Yes, gas-powered scooters limited to 25km/h are allowed on bike paths. They are called "snorfietsen"
And outside of urban areas all scooters (with speed limit of 45 km/h) are allowed on bicycle paths, but usually there are not used as much.
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Old December 19th, 2013, 10:33 AM   #10255
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Quote:
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Yes, gas-powered scooters limited to 25km/h are allowed on bike paths. They are called "snorfietsen"
Didn't know that. In Italy bike paths are bike paths, and no other vehicles are allowed, not even pedestrians. Of course this is Italy, so vast majority of bike paths are used to park cars illegally...
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Old December 19th, 2013, 11:31 AM   #10256
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Quote:
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Didn't know that. In Italy bike paths are bike paths, and no other vehicles are allowed, not even pedestrians. Of course this is Italy, so vast majority of bike paths are used to park cars illegally...
Overall, I'd say there are less 2-wheeled vehicles share of traffic in Netherlands than in Italy, having lived in both countries.

Something to be considered, though, is this:
- Dutch road lanes, except on motorways, are rather narrow
- The sheer number of bikes overall means they are often provided with segregated paths (contrary to the myth that everyone shares the road, which doesn't happen, at all, on busy traffic streets)
- As a result of that, Dutch drivers are used to yield or interact with 2-wheel traffic that is crossing streets or taking a turn, but not so much with 2-wheeled vehicles swarming between cars haphazardly
- Scooter drivers often remove the lame speed limiter on their mopeds/scooters to go faster than 25km/h, but keep using the bike path.

Bike paths are often used by mobility-aid vehicles as well (those small electric-powered quads that carry people who have problems walking long distances).
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Old December 19th, 2013, 01:10 PM   #10257
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Quote:
Originally Posted by ChrisZwolle View Post
The air quality in the Netherlands has improved over the last three years, the NSL monitoring programme shows. Nearly all locations meet the European limits of NOx and PM10. However there are a number of remaining locations where air quality is slightly above the limit, chiefly around cattle farms and in some cities.

* nitrogen concentrations increased slightly in 2013 over 2012, 13 km of road/streets exceeded limits in 2013 over 11 km in 2012.

* nitrogen limits are exceeded along a few busy urban roads, not high volume motorways.

* particle concentration limits are exceeded along 4 km of road, all due to nearby industry and cattle / poultry farms.

* the share of pollutants from neighboring countries increased, some city locations exceeded the limits for that reason.

* livestock farms remain an issue. Areas with intensive cattle and poultry farms are exceeding the limits, mostly in rural Brabant and Gelderland.

* Euro V passenger car engines did not improve emissions over euro IV as much as expected.

* Euro VI truck engines meets the expectations, emissions are 90% lower than Euro V.

* A European approach is key, because of the large share of pollutants originating from other countries.
Do they look into the PM2.5? I understand that south of The Netherlands together with Belgium is the worst place in Europe in this respect. I mistook this map:

Life loss attributed to PM2.5
[IMG]http://oi39.************/1zumte.jpg[/IMG]

for this map:

Annual average PM2.5 concentrations for the year 2005.


It's obviously not so bad. Does the trend improves though for the PM2.5 as well anyway?

Hmm, now I am quite puzzled as I discovered this map:

So how is it for real with 2.5PM
[IMG]http://oi41.************/34y8mja.jpg[/IMG]
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Last edited by Surel; December 19th, 2013 at 01:24 PM.
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Old December 19th, 2013, 03:41 PM   #10258
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As far as I know PM 2.5 is related to the amount of PM10, but apparently they cannot be accurately calculated or measured, so their concentration is derived from PM10 values.

While virtually all of the Netherlands complies to European limits, there are quite a few locations where the levels of PM10 and NOx are only slightly below the limits, which is why some locations were just above it in 2013 compared to 2012.

However, the bottom line is virtually all of the Netherlands are below the limits. There are only about two dozen kilometers of roads that are above limits, but this is nothing compared to the 100,000+ kilometer road network.
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Old December 19th, 2013, 06:08 PM   #10259
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Unfortunately there's a real possibility that present limits are rather lax compared to the actual health risk. So we might be struggling for a while yet to both maintain or improve our mobility whilst at the same time lowering concentration of particles and NOx.
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Old December 19th, 2013, 07:25 PM   #10260
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A4 Schiedam

Construction update by jb_nl. Excerpts:







bicycle / tramway across the motorway tunnel.
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