

GRR – Harleyville
The guidelines below apply to all waste fuel materials. Materials that exceed these criteria may be accepted on a case-by-case basis and with prior notification if they can be blended to meet the guidelines, except as noted.
| Arsenic (As) | 750 ppm | |
| Beryllium (Be) | 40 ppm | |
| Cadmium (Cd) | 440 ppm | |
| Chromium (Cr) | 7,500 ppm | |
| Lead (Pb) | 2,900 ppm | |
| Mercury (Hg) | 10* ppm | |
| Nickel (Ni) | 25,000 ppm | |
| Zinc (Zn) | 90,000 ppm |
* Until an upper limit for mercury is established, GRR asks that the generator manage his waste shipments to <10 ppm mercury. This is because the total mercury that GRR receives in waste shipments may vary daily which could affect the acceptance of a shipment.

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