Super Sol has been certified as a product under the following certification systems. Super Sol has been certified as a quality product under various certification systems, and can be used with confidence in public projects by local governments.
Authorizing system of evaluating recycling material in Okinawa (for the public)

Okinawa established the “Authorizing system of evaluating recycling material in Okinawa (Yuikuru)” to form the recycling society. This system is to promote recycling waste materials.
Supersol recycled resource-contained earth alternative material
Accreditation number: Ver. 12-No. 4
Accreditation date: December 2006
Supersol recycled resource-contained soil improving material
Accreditation number: Ver.13-No. 1
Accreditation date: March 20008
Promotion system of utilization on recycled products produced in Okinawa (for general consumers) Ver.1

Okinawa prefecture aims to promote recycling resources in the region through encouraging the utilization of recycling materials and certifying the recycled materials produced in Okinawa which can contribute to the reduction of environmental burden, as well as expanding the use of certified products.
Supersol inorganic soil improving material
Accreditation number: Ver. 17-No. 1
Accreditation date; February 2008
Solmerge hydroculture material
Accreditation number; Ver. 19-No.2
Accreditation date: February 2006
Hokkaido recycled products authorizing system

Hokkaido recycled products authorizing system is the system to use recycling materials produced in Hokkaido, to certify the recycled products which are produced in Hokkaido and meet the criteria set by Hokkaido, , and to encourage the use of recycled products through PR, etc.
Supersol inorganic soil improving material
Accreditation number: Ver.17-No. 1
Accreditation date: February 2006
Iwate Prefecture Recycling Resource Utilization Certification System

Iwate Prefecture certifies recycled products that meet certain standards. The purpose of this certification is to promote the effective use of limited resources and the formation of a recycling-oriented local society.
Accreditation date: March 2020
Ibaraki Prefecture Recycling Product Certification System

The Ibaraki Prefecture Recyclable Product Certification System is a system to promote the use of recycled products by certifying recycled products that meet certain standards manufactured in Ibaraki Prefecture using recycled resources generated in the prefecture, and promoting publicity, with the aim of promoting the appropriate recycling of resources, reducing waste, and promoting the formation of a recycling-oriented society together with the citizens and businesses of Ibaraki Prefecture.
Certification classification number: Products made from glass and ceramic waste (142108)
Waste materials Recycling Authorizing System in Gifu Prefecture

Gifu prefecture encourages the use of recycled products and the growth of recycling industry. Primarily, Gifu prefecture uses waste materials produced within the prefecture and certifies the recycled products produced in the prefecture as “Gifu-authorized recycled waste material products.”
Recycled civil engineering material supersol
Accreditation number: 234
Accreditation date: October 2006
Shiga Prefecture Recycling Product Certification System

Shiga Prefecture is promoting the Biwakuru Eco Ship (Shiga Prefecture Recycling Product Certification System), a system to encourage the use of recycled products by certifying as “Biwakuru Eco Products (Shiga Prefecture Recycling Certified Products)” those products manufactured and processed at business establishments in the prefecture using recyclable resources (waste, by-products of manufacturing processes, wood, etc.) generated mainly in the prefecture and conforming to certain standards.
Accreditation numberb-70-16
Okayama Prefecture Eco-Products Certification System

Based on Article 27 of the Okayama Prefecture Ordinance on the Promotion of a Sound Material-Cycle Society, which was enacted in December 2001, Okayama Prefecture established a system to certify products that contribute to the formation of a sound material-cycle society as “Okayama Prefecture Eco-Products. As of the end of September 2008, 359 products (152 businesses) have been certified.
Hiroshima Prefecture Waste Recycling Certification System

The “Hiroshima Prefecture Recycled Product Registration System” aims to promote the recycling of resources, the reduction of waste, and the fostering of the recycling industry through the registration of recycled products manufactured in Hiroshima Prefecture, the provision of information on registered products to the citizens of the prefecture, and the promotion of the use of recycled products produced in the prefecture.
Fukuoka Prefecture certified recycled products

The “Fukuoka Prefecture Certified Recycled Products” are products that are certified by Fukuoka Prefecture as meeting certain standards in terms of quality and safety. Certified recycled products will be given priority for use in public works projects in Fukuoka Prefecture to promote their use.
Super Sol L2
Certification number: 171160101
Certification year: FY 2009
NETIS (New Technology Information System)

Inorganic soil improving material “supersol”
Date of register: 2005.02.25
Lightweight embankment “supersol”
Date of register: February 25, 2005
Eco mark

Reducing the environmental burden associated with the daily life, eco mark aims to encourage the consumers who wish to be environmentally friendly to select products attached with such.