# RACM2 speciation

**URL:** <https://forum.cmascenter.org/t/racm2-speciation/2628>\
**Category:** NEI Modeling Platform\
**Created:** [August 31, 2021, 1:07pm UTC](https://forum.cmascenter.org/t/racm2-speciation/2628 "2021-08-31T13:07:23Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Hanye](https://avatars.discourse-cdn.com/v4/letter/h/a587f6/32.png) [@Hanye](https://forum.cmascenter.org/u/Hanye)\
**Post date:** [August 31, 2021, 1:07pm UTC](https://forum.cmascenter.org/t/racm2-speciation/2628/1 "2021-08-31T13:07:23Z")

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Hi everyone!  
Is there gspro file for RACM2 chemical mechanism in EPA Emissions Modeling Platforms? I can’t find it!

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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:** [September 15, 2021, 2:15am UTC](https://forum.cmascenter.org/t/racm2-speciation/2628/2 "2021-09-15T02:15:06Z")

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We’ve posted a RACM2 zip of profiles with 2017 platform here:

[https://gaftp.epa.gov/Air/emismod/2017/ancillary\_data/ge\_dat\_for\_2017gb\_speciation\_RACM2\_14sep2021.zip](https://gaftp.epa.gov/Air/emismod/2017/ancillary_data/ge_dat_for_2017gb_speciation_RACM2_14sep2021.zip)