SCHEDULE 4CLASSIFICATION

1. The Agency must use the following standards for classification—

Parameter	“Excellent”	“Good”	“Sufficient”
⁽¹⁾ Colony forming units per 100 millilitres (“cfu/100 ml”).
⁽²⁾ Based upon a 95-percentile evaluation – see paragraph 2.
⁽³⁾ Based upon a 90-percentile evaluation – see paragraph 2.
Intestinal enterococci⁽¹⁾	200⁽²⁾	400⁽²⁾	330⁽³⁾
Escherichia coli⁽¹⁾	500⁽²⁾	1,000⁽²⁾	900⁽³⁾

Parameter	“Excellent”	“Good”	“Sufficient”
⁽¹⁾ Colony forming units per 100 millilitres (“cfu/100 ml”).
⁽²⁾ Based upon a 95-percentile evaluation – see paragraph 2.
⁽³⁾ Based upon a 90-percentile evaluation – see paragraph 2.
Intestinal enterococci⁽¹⁾	100⁽²⁾	200⁽²⁾	185⁽³⁾
Escherichia coli⁽¹⁾	250⁽²⁾	500⁽²⁾	500⁽³⁾