English to Russian Tech/Engineering Petroleum Eng/Sci

Таблица Plugging Prioritization Schedule
for Orphaned and Abandoned Well Sites

Столбцы таблицы:
Item No. Factors to be Considered Points Hazard H/S/E* (Health/Safety/Environment)

В столбце Factors to be Considered перечисляются факторы опасности:

Leaking Well with Hydrogen Sulfide (H2S) Present and at Potentially Dangerous Levels
....
Site with Substantial Impact for Oil, Grease, Saltwater or NORM or Other

Не совсем понимаю последнюю фразу..

Спасибо.