TABLE 3.
Pathogen | No. of organisms
|
|||||
---|---|---|---|---|---|---|
New Jersey standardb | IEC (2003) | Exponent-Saybrook Place (2003) (n = 2 samples) | USGS
|
PVSC (2000 to 2001) | ||
1991 to 1997 | 1997 only | |||||
Fecal coliform | GM = 770/100 ml for SE2 waters | GM = 2,980/100 ml | >30,000 | 2,725 | 606 | 1,120/100 mlc |
GM = 1,500/100 ml for SE3 waters | GM = 2,980/100 ml | >30,000 | 2,725 | 606 | 1,120/100 mlc | |
Fecal Streptococcus | GM = 930/100 ml | >30,000 | ||||
Enterococcus | GM = 35/100 ml for estuaries | GM = 800/100 ml | >30,000 | 380 | 200 | |
Single-sample maximum = 104/100 ml for estuaries | >24,000/100 ml (maximum) | >30,000 | 9,000 | 400 |
Abbreviations: GM, geometric mean; USGS, U.S. Geological Survey; PVSC, Passaic Valley Sewerage Commissioners.
Requires minimum of five samples spaced over a 30-day period.
Arithmetic mean.