SRI SUPREMESUPPLIERS OF SUPERIOR SAND AND GRAVEL PRODUCTS WORLDWIDE
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SRI - NSF, CARB, AWWA, USGA Certifications

NSF
Certified - National Sanitation Foundation

SRI products meet or exceed the NSF/ANSI Standard 61 for Drinking Water System Components.

Water Treatment Plants
Water Filtration
Well Packing
Septic Systems
Dewatering
National Sanitation Foundation
ARB
Certified - California Air Resourses Board

Certified Dried Sands

SRI Supreme #12
SRI Supreme #20
SRI Supreme #30
California Air Resourses Board
AWWA
Member - A.W.W.A.

A.W.W.A. Service Provider Members are companies such as manufacturers, distributors, and consulting firms that service the drinking water industry.

Research and development have enabled SRI to produce effective sizes and uniformity coefficients recommended by the American Water Works Association.
American Water Works Association
USGA
United States Golf Association

Washed in accordance to U.S.G.A. specifications. Excellent stability for steep bunker faces allowing for easier and lower maintenance costs. Free of silt and clay allowing for proper drainage.

U.S.G.A. Bunker Sand
U.S.G.A. Rootzone/Top Dressing
Davis Specifications
Sand/Peat Blends 90:10, 80:20, 70:30
United States Golf Association

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