725.1GENERAL—Submit samples to the LTS for testing, a minimum of 60 days before anticipated use.
From a manufacturer listed in Bulletin 15, and conforming to the following requirements:
• Total calcium and magnesium oxides (nonvolatile basis)—min. 45%
• Available calcium oxide (rapid sugar test, ASTM C 25) plus total MgO content calculated to be equivalent Ca(OH)2—min. 25%
As received loss on ignition (carbon dioxide plus moisture, combined and free)—max. 35%
• Free water (as-received basis)—max. 2%
• Residue—The sieve analysis of the by-product lime shall be as follows:
Sieve Maximum Percent Retained No. 100 5 No. 200 20
727 – 1
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Source: Publication 408 Highway Construction Specifications, 2026 Edition. Pages 716–0 of 1,522. View official source ↗