N.H. Code Admin. R. Env-Hw 1404.02
(a) Used oil shall be classified as specification used oil if the oil:
(2) Meets all of the allowable levels in Table 14.1 below:
Table 14.1 Specification Used Oil Standards
Constituent/Property
Allowable Level
Arsenic
5 ppm maximum
Cadmium
2 ppm maximum
Chromium
10 ppm maximum
Lead
100 ppm maximum
Flash point
100 degrees Fahrenheit minimum
Polychlorinated biphenyls (PCBs)
Less than 2 ppm
Total halogens
1,000 ppm maximum
Source. #14282, eff 8-1-25, EXPIRES: 8-1-35