# Surrogate Codes/files for CAN

**URL:** <https://forum.cmascenter.org/t/surrogate-codes-files-for-can/853>\
**Category:** Spatial Allocator\
**Created:** [August 1, 2019, 4:44pm UTC](https://forum.cmascenter.org/t/surrogate-codes-files-for-can/853 "2019-08-01T16:44:59Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![amcvey\_AER](https://avatars.discourse-cdn.com/v4/letter/a/7feea3/32.png) [@amcvey\_AER](https://forum.cmascenter.org/u/amcvey_AER)\
**Post date:** [August 1, 2019, 4:44pm UTC](https://forum.cmascenter.org/t/surrogate-codes-files-for-can/853/1 "2019-08-01T16:44:59Z")

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I am trying to run SMOKE with a grid covering most of North America. I have successfully run all of the surrogates for USA, CAN, and MEX (example codes below).  
CAN,900,“Total population”,./CAN\_900\_NOFILL.txt  
CAN,901,“Total dwelling”,./CAN\_901\_NOFILL.txt  
CAN,902,“Agricultural and related service industries”,./CAN\_902\_NOFILL.txt  
CAN,903,“Fishing and trapping industries”,./CAN\_903\_NOFILL.txt

However, for one of the sectors in SMOKE, I get an error saying it’s looking for the following surrogates (example below).  
CA;9100;“Population”;“CA\_9100\_NOFILL.txt”  
CA;9101;“total dwelling”;“CA\_9101\_NOFILL.txt”  
CA;9103;“rural dwelling”;“CA\_9103\_NOFILL.txt”  
CA;9106;“ALL\_INDUST”;“CA\_9106\_NOFILL.txt”

It seems there is a different list of surrogate codes for CAN than what I have. I have looked and cannot find any reference to this new (old?) list of codes (about 95 for CAN, where I have about 60).

Can someone point me to where these codes, shapefiles, and specifications are?  
OR  
Maybe I should update SMOKE to look for the surrogates I have, but where?

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**Author:** ![eyth.alison](https://avatars.discourse-cdn.com/v4/letter/e/7ab992/32.png) [@eyth.alison](https://forum.cmascenter.org/u/eyth.alison)\
**Post date:** [August 1, 2019, 6:29pm UTC](https://forum.cmascenter.org/t/surrogate-codes-files-for-can/853/2 "2019-08-01T18:29:43Z")

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You don’t mention which platform you are using. The 2014-2016 platforms have the newer surrogates. Here is the web page:

[https://www.epa.gov/air-emissions-modeling/2014-2016-version-7-air-emissions-modeling-platforms](https://www.epa.gov/air-emissions-modeling/2014-2016-version-7-air-emissions-modeling-platforms)

Surrogates and Shapefiles are here, but the latest Canadian Shapefiles may not be posted – are you trying to run on your own grid?

ftp://newftp.epa.gov/air/emismod/2016/alpha/spatial\_surrogates/

Alison

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**Author:** ![amcvey\_AER](https://avatars.discourse-cdn.com/v4/letter/a/7feea3/32.png) [@amcvey\_AER](https://forum.cmascenter.org/u/amcvey_AER)\
**Post date:** [August 5, 2019, 2:41pm UTC](https://forum.cmascenter.org/t/surrogate-codes-files-for-can/853/3 "2019-08-05T14:41:50Z")

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I am actually trying to run platform 2011v6.2. Yes, I’m trying to run my own grid. I will look in the files: ftp://newftp.epa.gov/air/emismod/2011/v2platform/spatial\_surrogates/

Thank you.  
Amy