NMC OSHA sign. Header "NOTICE" and Legend "NON-POTABLE WATER DO NOT DRINK". OSHA sign is the perfect way to alert your employees and guests when a hazard is present in your facility. Keep your facility safe, buy an OSHA regulated sign today and prevent an accident tomorrow. These OSHA signs comply with OSHA 29 CFR 1910.145. Pressure sensitive vinyl 0.0045 (PSV) material has pressure sensitive adhesive backing and is flexible, which allows for mounting on smooth, curved or irregular surfaces. The material is long-lasting for indoor labeling. Mounting sign. Good chemical resistant. Maximum temperature: 178 degrees F. Black/blue on white color. Measures 14-inches length by 10-inches height.