Attached files
file | filename |
---|---|
8-K - FORM 8-K - PERMA FIX ENVIRONMENTAL SERVICES INC | perma20140730_8k.htm |
EX-4 - EXHIBIT 4.2 - PERMA FIX ENVIRONMENTAL SERVICES INC | ex4-2.htm |
Exhibit 4.1
file | filename |
---|---|
8-K - FORM 8-K - PERMA FIX ENVIRONMENTAL SERVICES INC | perma20140730_8k.htm |
EX-4 - EXHIBIT 4.2 - PERMA FIX ENVIRONMENTAL SERVICES INC | ex4-2.htm |
Exhibit 4.1