Calibration checking set. For use with Checker HC silica high range handheld colorimeter. 0 and 100 ppm. Hazard identification: non-hazardous product as specified in directives 67/548/EEC and 1999/45/EC, non-hazardous product as specified in OSHA regulation 29 CFR 1910.1200, non-hazardous product as specified in Canadian regulation SOR/88-66, non-hazardous product as specified in regulation (EC) 1272/2008. Handling and storage: No restrictions and keep container closed and protected from direct sunlight. Store atroom temperature (+15 degree C to +25 degree C). Regulatory information: complies with European regulations (EC) No. 1907/2006 and No. 1272/2008, complies with European council directives 67/548/EEC and 1999/45/EC, complies with OSHA regulation 29 CFR 1910.1200, complies with Canadian regulation SOR/88-66.