From: Ceramic bricks containing Ni ions from contaminated biomass used as an adsorbent
Heavy metal | TCLP of AN20 (mg L− 1) | Decree No. 2020 of 2007 of Law No. 2214 of the City of Buenos Aires (CABA) (mg L− 1) | US EPA Code of Federal Regulations 2012 (mg L− 1) | UNE-EN 12457–4 (Spanish standard) (mg L− 1) | GB 5085.3–2007 (Chinese standard) (mg L− 1) |
---|---|---|---|---|---|
Ni | < 0.05 | 5.0 | Not Given | 2.0–0.4 | 5.0 |