CF002

Attribute: PO4PCODE_MO

code		description
*		Monthly value includes one or more values measured below the detection limit
A		Accepted monthly value
E		Monthly value includes estimated values
I		Monthly value incomplete - at least 5 days available, but 25 or fewer days available for month summary
N		No analyses conducted for proportional samples taken during the month
Q		Monthly value includes questionable sample values