Gost: 25607 93

Device of road and airfield pavements and bases.

GOST 25607 works in conjunction with other standards for testing procedures: gost 25607 93

ГОСТ 25607 2009 - щебеночно песчаная смесь С4 и С9 Device of road and airfield pavements and bases

This version replaced the earlier GOST 25607-83. gost 25607 93

ГОСТ 25607-2009 Смеси щебеночно-гравийно-песчаные ... - mos.ru

Specifies the allowable range of particle sizes for various numbered mixture types (e.g., C4, C9).

) to ensure the materials are safe for use near populated areas (typically Class I < 370 Bq/kg; Class II up to 740 Bq/kg for general road construction).