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Safety Data Sheet

Weed-Blocker Paver Locking Sand

Version 1.0

Page 1 of 5

TCC Materials Emergency Telephone Number: Revision Date

2025 Centre Pointe Boulevard, Suite 300 651-688-9116 November 2014

Mendota Heights, MN 55120-1221 Information Telephone Number

651-905-8137

Section 1: Product Identification

Product Type: Sands

TCC Materials Product Name:

Nurserymen’s Preferred

Weed-Blocker Paver Locking Sand

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.

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 may contain crystalline silica (quartz).

Applicable hazard statements, based on respirable crystalline silica:

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, based on respirable crystalline silica:

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

HMIS® Rating: Health: 0* Fire: 0 Reactivity: 0

HMIS® is a registered trademark of the National Paint and Coatings Association

Summary of content (5 pages)

PAGE 2
Safety Data Sheet Weed-Blocker Paver Locking Sand © TCC Materials Version 1.0 Section 3: Hazardous Ingredients/Composition Ingredient Typical Percentage Crystalline silica (quartz) .................... up to 100% CAS # 14808-60-7 Section 4: First Aid Measures Inhalation: If dustiness causes breathing problems, move to fresh air. Eye contact: Hold eyelids apart and flush eyes with plenty of water. At least fifteen minutes of flushing is recommended. If any irritation persists, get medical attention.
PAGE 3
Safety Data Sheet Weed-Blocker Paver Locking Sand © TCC Materials Version 1.0 Wash hands after use. Do not eat, drink, or use tobacco products when handling any chemical products. Storage: No special precautions required. Section 8: Exposure Controls/Personal Protection Occupational Exposure Limits: OSHA PEL OSHA 1989 ACGIH TLV NIOSH REL PEL* Crystalline 10 mg/m3 0.1 mg/m3 0.025 mg/m3 0.
PAGE 4
Safety Data Sheet Weed-Blocker Paver Locking Sand © TCC Materials Version 1.0 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. Abrasion can create very fine particles that can get deep into the lungs (respirable size). Section 11: Toxicological Information Not considered acutely toxic.
PAGE 5
Safety Data Sheet Weed-Blocker Paver Locking Sand © TCC Materials Version 1.0 Section 15: Regulatory Information This product contains 0.01% or more of crystalline silica, regulated under California Proposition 65 as a chemical known to the state of California to cause cancer or reproductive effects. It is on the New Jersey Right to Know Hazardous Substance List.