AQUA WHITE

2.1 Classification of the substance or mixture

none (historical basis for classification) Target Organs eye, skin and Jungs

Medical Conditions Generally Aggravated by Exposure

Skin contact may aggravate existing dermatitis. Breathing excessive quantities of ground limestone may aggravate pre-existing respiratory conditions.

Potential health effects

| Eye Contact This product may produce iritation upon contact with the eye. See also Section 4 below. | Skin Contact Prolonged or repeated exposure may cause skin irritation, Ground limestone is nol expected to be absorbed through the skin in harmful amounts or to produce an allergic skin reaction. See alsa Section 4 below. | Ingestion No adverse effect is expected. If ingested, seek medical advice. See also Section 4 below. | Inhalation Inhalation of excessive quantities of ground limestone dust may irritate the respiratory tract. See also Section 4 below. | Subchronic, Chronic None expected. No applicable information was found concerning any potential health effects resulting from Subchronic or chronic exposure to ground limestone. This product typically contains crystalline silica (quartz sand) abave 0.1% as naturally occurring impurity. The International Agency for Research on Cancer has concluded that “crystalline silica inhaled in the form of quartz or cristobalite from occupational sources is carcinogenic to humans (group 1).” It is also noted that carcinogenicity was not detected in all industrial circumstance studies, and may be dependent on external factors affecting its biological activity or distribution of its polymorphs. (See IARC Monographs on the Evaluation of Carcinogenic Risks to Humans, Volume 68 (1997).) Exposure to respirable silica has also been associated with silicosis, scleroderma, | nephrotoxicity (see Occupational Lung Disorders, Third Edition, Chapter 12 (1994) and American Journal of Respiratory and Critical Care Medicine, Volume 155, pp 761-765 (1997).)