Nickel (P)
What is the water + organism criterion (µg/l) for Nickel (P)?
For Nickel (P), water + organism criterion (µg/l) is 610; organism only criterion (µg/l) is 4,600; publication year is 1998; cas registry number is 7440020, verified against its source on 2026-10-28.
Nickel (P) | 7440020 | 610 | 4,600 | 1998
— epa.gov, retrieved 2026-09-15
- Pollutant name
- Nickel (P) verified
- CAS Registry Number
- 7440020 verified
- Water + Organism criterion (µg/L)
- 610 verified
- Organism Only criterion (µg/L)
- 4,600 verified
- Publication Year
- 1998 verified
- EPA note on this criterion
- This criterion was revised to reflect EPA's q1* or RfD as contained in the Integrated Risk Information System (IRIS) as of May 17, 2002. The fish tissue bioconcentration factor (BCF) is from the 1980 Ambient Water Quality Criteria document. verified
Where each value comes from
The value above is stated away from the sentence quoted with the answer, so the passage that states it is shown here too.
EPA note on this criterion
Nickel (P) | 7440020 | 610 | 4,600 | 1998 | This criterion was revised to reflect EPA's q1* or RfD as contained in the Integrated Risk Information System (IRIS) as of May 17, 2002. The fish tissue bioconcentration factor (BCF) is from the 1980 Ambient Water Quality Criteria document.
— all from epa.gov, retrieved 2026-09-15
Source
- epa.govhttps://www.epa.gov/wqc/national-recommended-water-quality-criteria-human-health-criteria-table