Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001047469-98-004927
Filing Date
1998-02-11
Accepted
1998-02-11 00:00:00
Documents
1
SROs
NASD

Document Format Files

Seq Description Document Type Size
1 SCH13G SC 13G/A 9383
  Complete submission text file 0001047469-98-004927.txt   11192
Mailing Address 670 N ROSEMEAD BLVD PASADENA CA 91107
Business Address 670 N ROSEMEAD BOULEVARD PASEDENA CA 91107-2190 6263514664
TETRA TECH INC (Subject) CIK: 0000831641 (see all company filings)

EIN.: 954148514 | State of Incorp.: DE | Fiscal Year End: 0930
Type: SC 13G/A | Act: 34 | File No.: 005-43035 | Film No.: 98531822
SIC: 8711 Services-Engineering Services

Mailing Address 670 N ROSEMEAD BLVD PASADENA CA 91107
Business Address 670 N ROSEMEAD BLVD PASADENA CA 91107 8183514664
HWANG LI-SAN (Filed by) CIK: 0000938431 (see all company filings)