Filing

SC 13G

SC 13G

0000858748-98-000007·OP TECH ENVIRONMENTAL SERVICES INC

Filing metadata

Accession number: 0000858748-98-000007
Form type: SC 13G
Filer: OP TECH ENVIRONMENTAL SERVICES INC
CIK: CIK 858748
Filed: Apr 27, 1998
Reporting period: Dec 31, 1997
Description: Passive 5%+ stake

Documents

0000858748-98-000007-index.htm

Complete submission

0000858748-98-000007.txt

directory listing

Filed by

OP TECH ENVIRONMENTAL SERVICES INC