Washington Administrative Code
Title - Northwest Clean Air Agency
500 - REGULATED ACTIVITIES AND PROHIBITIONS
Sec2 580.7 - Cutback Asphalt Paving
Universal Citation: WA Admin Code 580.7
Current through Register Vol. 24-24, December 15, 2024
580.71 After June 1, 1990, it shall be unlawful for any person to cause or allow the use of cutback asphalt in paving during the months of June, July, August and September, except as provided for in 580.72 of this section.
580.72 The following paving uses and applications of cutback asphalts are permitted during all months of the year;
580.721 As a penetrating prime coat on
aggregate bases prior to paving.
580.722 The manufacture of patching mixes
used exclusively for pavement maintenance and needed to be stockpiled for times
longer than one month.
580.723 All
paving uses when the temperature during application is below 10 °C (50
°F).
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