Certificates Determination Determination to monitoring service by LfU Bayern Type test Our dosimeters are type approved by the Physikalisch Technische Bundesanstalt (PTB). You can view the type test certificates here: type test certificate OSL type test certificate ALD Environmental Beteiligungszertifikat 2023 – „Grüner Punkt“ GoGreen Zertifikat Accreditation Certificate of accreditation Attachment to certificate of accreditation Liste aktueller Prüfungsverfahren
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