Acid fast stain chemicals are used to identify bacteria by staining the acid fast mycobacterium bright red and putting them against a blue background. Kit Includes: 30mL Methylene Blue Chloride, 1% Alcohol Solution 30mL Carbol Fuchsin Solution 30mL Hydrochloric Acid, 1% Alcohol Solution DOT Info: Small quantity exemption 173.4 THIS PACKAGE CONFORMS TO 49 CFR 173.4 for domestic highway or rail transport only WARNING: This product can expose you to chemicals including Methanol/Methyl isobutyl ketone, which is known to the State of California to cause cancer and reproductive harm. For more information go to http://www.P65Warnings.ca.gov.