01: ATOMIC ARRIVAL
ACTION
04:00 ±2min
Stand on Seaside boardwalk. Face Pacific. Inhale for 4 counts. Hold 4. Exhale 4.
Source: Personal protocol — verified 3,847 shifts
ACTION
04:03
Check wind direction. If offshore (>10kt), increase citric concentration by 0.5% (salt crystallization risk).
Grounded in: Monterey microclimate data
02: SOLUTION PREPARATION
CITRIC ACID STOCK
Q159683
Concentration: 8.5% w/v
Dissolve 85g in 1L distilled H₂O
pH target: 2.8–3.2
Contact time: ≥90s for calcium carbonate dissolution
Wikidata: citric acid
Dissolve 85g in 1L distilled H₂O
pH target: 2.8–3.2
Contact time: ≥90s for calcium carbonate dissolution
VINEGAR BASE
Q47512
Acetic acid minimum: 5% v/v
Dilution ratio: 1:4 (vinegar:water)
Use only for glass, stainless, sealed stone
NEVER on marble, travertine, limestone
Wikidata: acetic acid
Dilution ratio: 1:4 (vinegar:water)
Use only for glass, stainless, sealed stone
NEVER on marble, travertine, limestone
MIXING SEQUENCE
MANDATORY
Step 1: Water to 70% volume
Step 2: Acid addition (never reverse)
Step 3: Stir counter-clockwise 12 rotations
Step 4: Fill to mark, stir 6 rotations
Step 2: Acid addition (never reverse)
Step 3: Stir counter-clockwise 12 rotations
Step 4: Fill to mark, stir 6 rotations
03: TEXTILE ROTATION
CLOTH ASSIGNMENT
COLOR-CODED
RED: Restroom surfaces only
BLUE: Glass mirrors/windows
GREEN: Food-contact zones
YELLOW: General surfaces
PURPLE: High-touch fixtures (handles, switches)
BLUE: Glass mirrors/windows
GREEN: Food-contact zones
YELLOW: General surfaces
PURPLE: High-touch fixtures (handles, switches)
FOLD PROTOCOL
DOÑA ROSA STANDARD
Start: 40×40cm square
Fold 1: Half (20×40)
Fold 2: Quarter (20×20)
Fold 3: Eighth (10×20)
Result: 8 clean faces per cloth
Discard when face 7 contaminated
Link: The Perfect Fold
Fold 1: Half (20×40)
Fold 2: Quarter (20×20)
Fold 3: Eighth (10×20)
Result: 8 clean faces per cloth
Discard when face 7 contaminated
ROTATION INTERVAL
TIME-BASED
Face change: Every 90 seconds OR upon visible soil transfer
Cloth retirement: After 8 faces exhausted
Rinse between rooms: Mandatory, using dedicated rinse bucket
Cloth retirement: After 8 faces exhausted
Rinse between rooms: Mandatory, using dedicated rinse bucket
04: CONTACT TIME VERIFICATION
LIME SCALE
CITRIC
Minimum dwell: 90 seconds
Maximum dwell: 180 seconds (evaporation risk)
Verification: Audible fizz cessation = neutralization complete
Maximum dwell: 180 seconds (evaporation risk)
Verification: Audible fizz cessation = neutralization complete
GREASE/FAT
ALKALINE BUFFER
Pre-rinse temperature: ≥45°C
Solution pH: 9.5–10.5
Dwell: 120 seconds
Final rinse: 15°C tap water (shock precipitation)
Solution pH: 9.5–10.5
Dwell: 120 seconds
Final rinse: 15°C tap water (shock precipitation)
BIOFILM
MECCHANICAL ONLY
Chemicals cannot penetrate mature biofilm.
Action: Scrub with brass-bristle brush (grade 3)
Follow with citric soak (300s)
Verify: White-glove test passes
Action: Scrub with brass-bristle brush (grade 3)
Follow with citric soak (300s)
Verify: White-glove test passes
FIG 1. Monterey Bay at 04:00 PST. The fog bank moving inland signals offshore winds — trigger citric adjustment protocol.
⚠️ CRITICAL SAFETY: Never mix citric acid solutions with bleach (chlorine gas generation). Never apply undiluted acids to skin. Always wear nitrile gloves (thickness ≥0.4mm). Eye protection mandatory during mixing phase.