Work Group 5 - REACH Authorisation

Work Group 5 - REACH Authorisation

Typical WG5 survey

Preliminary Assessment Phase –

  1. Desktop Research by consultant
  2. Identify Known Uses by surveying work group member companies

Example question in Member survey

Detailed Assessment Phase (Voted After Completion Of Preliminary Assessment)

  1. Querying Relevant Formulators And Industry Associations
  2. Performing a 2 Part Survey Of Member Companies Suppliers

Supply and use of HHPA & MHHPA

1. Please classify your company (check all that apply)

  • Substance Manufacturer
  • Formulator
  • Distributor
  • Article Manufacturer (including hardware)
  • Maintenance, Repair, Overhaul

2. Do you produce / use formulations containing substances in the HHPA and / or MHHPA families (including the following CAS numbers) in your manufacturing processes?

Substance Name

CAS Number

Cyclohexane-1,2-dicarboxylic anhydride


cis-Cyclohexane-1,2-dicarboxylic anhydride


trans-Cyclohexane-1,2-dicarboxylic anhydride


Hexahydromethylphthalic anhydride


Hexahydro-4-methylphthalic anhydride


Hexahydro-1-methylphthalic anhydride


Hexahydro-3-methylphthalic anhydride


3. Do your suppliers or their suppliers produce / use formulations containing any of the aforementioned CAS numbers in their manufacturing processes?

4. Are you currently engaged in EU REACH Authorisation activities aimed at ensuring continued supply-chain protection for any of the aforementioned CAS numbers?

5. Do you have any additional comments or questions for us?

6. Please provide the details below for the individual who has specific responsibility for EU REACH coordination or all regulatory compliance at your company.

7. Responder information:

By responding to this survey, you agree that the WG5 Service Provider may utilise the information provided in this response for the purpose of identifying substances and products used in the aerospace sector's supply chain that may require Authorisation for continued use, and the WG5 Service Provider may disclose to the IAEG aggregated information on such products and uses as well as the need for REACH Authorisation.

Name of Respondent:

Position of Respondent:

Company of Respondent:

B. Example Follow-on Supplier survey questions