San Francisco Mushroom Inspection Violations: What Inspectors Check

Temperature Control & Cold Storage Violations

SFDPH inspectors enforce strict temperature requirements: fresh mushrooms must be stored at 41°F or below, and cooked mushroom dishes cannot exceed 135°F during hot holding. Common violations include mushrooms left on prep counters at room temperature, improperly calibrated refrigerators, and inadequate time documentation between storage and cooking. San Francisco inspectors use calibrated thermometers to verify mushroom internal temperatures and check time-temperature logs during unannounced visits. Failure to maintain proper cold chain results in critical violations that can lead to operational restrictions.

Cross-Contamination & Raw-to-Cooked Separation

California Health Code requires physical separation of raw mushrooms from ready-to-eat foods and proteins. SFDPH inspectors cite violations when mushrooms are stored above lettuce, prepared on cutting boards without sanitization between tasks, or handled with the same utensils as raw meat. Raw mushrooms destined for cooking must never contact surfaces or utensils used for ready-to-eat items. Inspectors examine cleaning logs, sanitizer concentration levels, and food preparation sequences to verify separation protocols. Cross-contamination citations often escalate to critical violations if pathogenic bacteria like *Listeria* or *E. coli* could transfer.

Storage Labeling, Dating & Spoilage Assessment

SFDPH requires all mushrooms—fresh, processed, or foraged—to be labeled with receive date, species (especially critical for wild mushrooms), and discard date based on California guidelines (typically 7–10 days for fresh mushrooms under refrigeration). Inspectors check for visible mold, slime, discoloration, or odor that indicates spoilage and order immediate disposal. Restaurants using wild or specialty mushrooms must maintain supplier documentation and traceability records. Violations include unlabeled containers, expired stock, and lack of FIFO (First In, First Out) rotation. San Francisco's local ordinances also require documented training for staff handling specialty mushrooms to prevent misidentification and foodborne illness risk.

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