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| The following information (Health Effects, Handling/Disposal, and Ingredients) is taken from the product label and/or the Material Safety Data Sheet (MSDS) prepared by the manufacturer. The National Library of Medicine does not test products nor does it evaluate information from the product label or the MSDS.
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Health Effects
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From MSDS
EMERGENCY OVERVIEW
A natural chemical reaction during hardening (rehydration) develops sufficient heat to cause severe burns in the event of contact with skin. These burns may possibly result in permanent injury. Do not allow product to harden around any body part or allow continuous, prolonged contact with skin. Crushing, mixing, or otherwise working with this product may generate large amounts of dust. Dust may cause upper respiratory tract, lung, eye, nasal and skin irritation.
POTENTIAL HEALTH EFFECTS
INHALATION: This product contains crystalline silica. Prolonged exposure to respirable crystalline silica has been known to cause silicosis, a lung disease which may be disabling.
SKIN CONTACT: Handling may cause dry skin. Skin contact during hardening (rehydration) may slowly develop sufficient heat to cause severe burns possibly resulting in permanent injury. Do not allow product to harden around any body part or while in continuous, prolonged contact with the skin.
EYE CONTACT: Dust can cause mechanical eye irritation.
INGESTION: Not applicable under normal conditions of use. May result in obstruction and temporary irritation of the digestive tract.
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From MSDS
Prolonged exposure to respirable crystalline silica has been known to cause silicosis, a lung disease which may be disabling. While there may be a factor of
individual susceptibility to a given exposure to respirable silica dust, the risk of contracting silicosis and the severity of the disease is clearly related to the amount of dust exposure and the length of time (usually years) of exposure. Exposure associated with most uses of this product(s) should be well below the permissible exposure limits.
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From MSDS
Crystalline Silica: Crystalline silica is classified by the International Agency for Research on Cancer (IARC) as a probable human carcinogen (Group 2A) with animal evidence sufficient. Respirable crystalline silica has been classified by the National Toxicology Program (NTP) as a substance which may reasonably be anticipated to be a carcinogen. Crystalline silica is not considered to be a human carcinogen by OSHA.
California Prop 65: Airborne particles of respirable size of crystalline silica are known to the State of California to cause cancer.
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From MSDS
INHALATION: Remove to fresh air. If persistent irritation, severe coughing or breathing difficulty occurs, get medical attention.
SKIN CONTACT: Wash affected areas with soap and water. If irritation persists, get medical attention.
EYE CONTACT: Remove contact lenses. Flush eyes, including under eyelids, with large amounts of water. If irritation persists, get medical attention.
INGESTION: May result in obstruction if ingested. Get medical attention.
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0 = Minimal; 1 = Slight; 2 = Moderate; 3 = Serious; 4 = Severe;
N = No information provided by manufacturer; * = Chronic Health Hazard |
| 1997-04-09 |
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Handling/Disposal
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From MSDS
Dew point conditions or other conditions causing presence of moisture will harden product during storage.
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From MSDS
This product is not considered hazardous waste under Federal Hazardous Waste Regulations 40 CFR 261. Please be advised, however, state and local requirements for waste disposal may be different from federal regulations.
Dispose of as inert solid in landfill or by other procedures in accordance with local, state, federal or provincial regulations.
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Ingredients from MSDS/Label
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