Construction
OSHA sets the legal minimum in 29 CFR 1926.51, Table D-1. Here it is in plain terms.
Joaquin Portable Toilets Rental
20 or fewer workers
A crew of 20 or fewer workers needs at least 1 toilet on site.
20 or more workers
At 200 or more workers: 1 toilet seat and 1 urinal per 50 workers.
Our advice
For a 40-hour week with weekly service. Hand washing is covered by 1926.51(f).
Every week
Weekly service: pump-out, clean and sanitize, fresh paper and sanitizer, new deodorizer.
Billing
Units stay until you call. Call 2 business days before the cycle ends to stop billing.