Intertek PolychemlabGELEEN, NLScope: "...J369; TL 1010; DBL 5307; VDA 270; PV 3900; NEN-ISO 16000-6; NEN-ISO 16000-3; NE..."RvA1certView
SGS NederlandHOOGVLIET ROTTERDAM, NLScope: "...reference number Location 270 Water Determination of turbidity; turbidimetry..."RvA1certView