These calibrated thermometers are EnviroKleen™ certified and feature green, non-toxic, biodegradable, Enviro-Safe® liquid against lead-free, white back glass.Includes an individual Thermometer Calibration Report stating corrections to one-tenth of the smallest division, unique report number and NIST standards used for the calibrationMeet government, education, and industry mandates to purchase “Green” productsIdeal for use in chemical/petrochemical laboratories, universities, scientific institutions, food and beverage processing, pharmaceutical and medical industries, dairies, breweries and distilleriesIndividually serializedMade in the USA