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Peat Mulch1. Peat mulch shall be hypnum or reed sedge peat types as defined in ASTM D4427-92. Other peaty soils lacking fiber will not be acceptable.2. Peat mulch shall be a processed product reasonably free of large woody debris and other extraneous matter and shall not contain weed seed, fungus, bacterium or chemicals detrimental to plant growth.3. Peat mulch shall be uniform throughout and meet the following requirements: Parameter Value TestMoisture Content (% by mass) 25 to 75% ASTM D2974Ash Content (% by mass) Up to 25% ASTM D2974pH 3.5 to 7.5 ASTM D2976Fiber Content At least 33% ASTM D1997-914. At the time of delivery, the peat mulch shall be in an air-dried condition. Quantity shall be expressed as a loose volume. agriculture, fertilizer, meanure Blowers, Aeration tubes Infiltration Chamber, Compost, Peat Mulch, Liners Gravels, Floww Meters, Totalizer, Drainfield Rocks