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Safety Data Sheet

River Rock

Version 1.2

Page 1 of 5

TCC Materials Emergency Telephone Number: Revision Date

2025 Centre Pointe Boulevard, Suite 300 651-688-9116 June 2018

Mendota Heights, MN 55120-1221 Information Telephone Number

651-905-8137

Section 1: Product Identification

Product Type: Gravels, Landscaping Rocks

Product Name:

Nurserymen’s Preferred

River Rock

Section 2: Hazard Identification

These products are not likely to be harmful unless dust is created. Very fine dust from

these products will contain respirable crystalline silica, which is harmful to breathe.

Keep moist; use handling methods to minimize dust.

Label Elements

Hazard Pictogram:

Signal Word: Danger: Crystalline silica may cause cancer

when inhaled. Crystalline silica causes damage to lungs

through prolonged or repeated exposure from inhaling dust.

This product has been evaluated according to GHS and

29CFR1910.1200, Appendix A. It is categorized as a Health

Hazard Carcinogen Category 1A, because it contains

crystalline silica (quartz).

Applicable hazard statements:

H350: May cause cancer from inhaling dust.

H372: Causes damage to respiratory system (silicosis) through prolonged or repeated

exposure to inhaled dust.

Applicable Precautionary Statements:

P201: Obtain special instructions before use.

P202: Do not handle until all safety precautions have been read and understood.

P260: Do not breathe dusts

P270: Do not eat, drink or smoke when using this product.

P280: Wear eye protection

P308+313/314. If exposed or concerns, or if you feel unwell: Get medical advice

P501: Dispose of contents in accord with local regulations

Summary of content (5 pages)

PAGE 1
Safety Data Sheet River Rock © TCC Materials Version 1.2 TCC Materials 2025 Centre Pointe Boulevard, Suite 300 Mendota Heights, MN 55120-1221 Emergency Telephone Number: 651-688-9116 Information Telephone Number 651-905-8137 Revision Date June 2018 Section 1: Product Identification Product Type: Gravels, Landscaping Rocks Product Name: Nurserymen’s Preferred® River Rock Section 2: Hazard Identification These products are not likely to be harmful unless dust is created.
PAGE 2
Safety Data Sheet River Rock © TCC Materials Version 1.2 HMIS® Rating: Health: 0* Fire: 0 Reactivity: 0 HMIS® is a registered trademark of the National Paint and Coatings Association Section 3: Hazardous Ingredients/Composition Ingredient Typical Percentage CAS # These products contain granite, quartz, or river rock (typically sedimentary rock). Their exact composition varies naturally. Crystalline silica (quartz) ............................
PAGE 3
Safety Data Sheet River Rock © TCC Materials Version 1.2 Section 6: Accidental Release Measures Contain and clean up. Avoid creating dust. Clean area with water. Section 7: Handling and Storage Avoid breathing dust from the rock. Wash hands after use. Do not eat, drink, or use tobacco products when handling any chemical products. Storage: No special precautions required.
PAGE 4
Safety Data Sheet River Rock © TCC Materials Version 1.2 Specific Gravity: Evaporation Rate: 2.5 – 2.8 Does not evaporate. Section 10: Stability and Reactivity Stability: stable Conditions to avoid: none known. Incompatibility: strong oxidizers, strong acids. Silica will dissolve in hydrofluoric acid to produce silicon tetrafluoride, a corrosive gas. Hazardous polymerization: will not occur Hazardous decomposition products: Material is not likely to decompose.
PAGE 5
Safety Data Sheet River Rock © TCC Materials Version 1.2 Section 13: Disposal Considerations As provided, not a RCRA-regulated waste. Dispose of in accordance with federal, state, and local regulations. Section 14: Transportation Not a DOT-regulated hazardous material. Not classified as dangerous goods for DOT, IATA, IMDG, TDG. Section 15: Regulatory Information U.S.