Crushed Stone, Aggregate, Pulverized Limestone, Ag Lime,

SECTION 2: Hazards identification

29 CFR 1910.1200) OSHA HAZARD COMMUNICATION STANDARD: This material is considered hazardous by the OSHA Hazard Communication Standard (29 CFR 1910.1200).

Principle Routes of Exposure

Eye contact, skin contact, inhalation, ingestion

Potential health effects

EYE CONTACT: Dust from this product may cause irritation to eyes. SKIN CONTACT: Direct contact may cause irritation by mechanical abrasion. INHALATION: Dust may irritate the nose, throat and respiratory tract. Coughing, sneezing and shortness of breath may occur following exposures in excess of appropriate exposure limits. Prolonged and repeated inhalation of respirable crystalline silica-containing dust in excess of appropriate exposure limits has caused silicosis, fibrosis or scar tissue formations in the lungs. INGESTION: Although small quantities of dust are not known to be harmful, ingestion of large quantities may cause gastrointestinal irritation and blockage. CARCINOGENICITY: Limestone is not listed as a carcinogen by NTP, OSHA or IARC. However, it may contain crystalline silica, a substances listed as a carcinogen by NTP, OSHA and IARC.

Medical Conditions Generally Aggravated by Exposure

Inhaling dust may aggravate existing respiratory and lung diseases. Dust may aggravate existing skin and eye conditions.