What has changed in the RHP product certification scheme?

1 february 2024

Every year the standards of the RHP quality mark for raw materials and growing media are updated. This is partly done based on developments in the sector. Changes to the content of the RHP product certification scheme are introduced annually. As of 1 May 2024 the new requirements apply. What are the changes this year?

A list of the changes

The most important decisions of the Central Board of Experts are explained below. Certified companies need to have introduced all the current requirements from the RHP product certification scheme in their business operations and quality management system before 1 May 2024.

Module       

Update
010

  •  Additions and change several definitions
040

  • Rearrange exemptions

  • Changes in exemptions trial batches (compost now possible)

  • Addition exemptions new products to promote innovation

  • Additions to withdraw exemptions

     
050

  • Limitation amount re-analysing batches

  • System of shortcomings applicable to exemptions
060

  • Addition on audit duration

  • Addition in case of periodical audit on main site

  • Merging of demands product inspection and random check

  • Term planning product inspection location type 1, 2, 3 and 4

  • Formalize possibility of unannounced random check by CB
110

  •  Addition examination methods ‘Plugs’
200

  • Additional demand in case of disapproved batches after a calamity 
210

  •  No new standard; module is partially rearranged. Separate head for company hygiene.

     
260

  • Mushrooms: expired demand for disinfection

  • Mushrooms: rearrange valuation in table
300

  •  Addition products in category B and C

  • Expire specific standard for small batches of trace elements

     

  • Alternative testing if characteristic test wetting agent is not applicable

     

  • Additional requirements bio stimulants

     

  • Additional requirements products category C

     

  • Possibility category D-products to be present in packaging on the RHP-site

     

  • Additional requirements products category D

     
310

  • Idem like MOD 300 (except bio stimulants)
320

  • Rearrange module
410

  • Change in standard for sieve fraction
430

  • Addition phytosanitary test

     

  • Raising maximal dosing under adjusted standards
435

  •  New module ‘Spend substrate’ (Consumer)
450

  • Reference to MOD 300 for colouring

  • Adjustment frequency 1:5 analysis and Mn-active
460

  • Mushrooms: adjustment standard organic matter

     

  • Mushrooms: adjustment method nematode analysis
490

  •  Change in standard pH

  • Addition standard intensive washed coir

     

  • Clarification at control product quality

     
520

  • Adjustment frequency chemical examination

     

  • Adjustment frequency counter samples
580

  • Adjustment standard A number

     

  • Adjustment standard nematodes and method nematodes analysis
700

  • Adjustment standard Manganese

     

  • Addition paragraph ‘Additional product marking’ for the ‘Prescription’
715

  • Replacing passage colouring to MOD 300
720

  • New module ‘Plugs’ (Horticulture)
760

  •  Changes testing internal laboratory for pH and EC measurements 

View the current scheme at My RHP

Since 1 February 2024, the updated RHP product certification scheme can be downloaded from My RHP. The table of contents (MOD 000) indicates in red which modules have been changed. The adjusted text parts in modules are also marked in red.

Do you not have a personal account for My RHP yet? As an employee of an RHP certified company you can easily create one for yourself through my.rhp.nl.

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