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EPA ID CAD982476103

WESTLAKE ROYAL STONE LLC, American Canyon, CA: hazardous-waste inspections, violations, penalties

Latest inspection of WESTLAKE ROYAL STONE LLC on file: August 31, 2004. What the counts and dates cover.

Identity

Name as filedWESTLAKE ROYAL STONE LLC
EPA IDCAD982476103
Address350 TOWER RD, American Canyon, CA 94503
CountyNapa
Generator statusSmall quantity generator
IndustryNonmetallic mineral product manufacturing (NAICS 32739)
Most cited ruleStandards for permitted TSD facilities (40 CFR 264)
Other EPA IDs (FRS)NPDES permit CAZ411396

Cited to rcra_downloads.zip/RCRA_FACILITIES.csv, loaded September 15, 2026; cross-program IDs from EPA’s FRS facility-registry crosswalk.

For WESTLAKE ROYAL STONE LLC (EPA ID CAD982476103): no inspection, no violation, no enforcement action since 2017; no Biennial Report waste code on file.

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