Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000912057-01-005891
Filing Date
2001-02-14
Accepted
2001-02-14 00:00:00
Documents
1

Document Format Files

Seq Description Document Type Size
1 SC 13G/A a2038894zsc13ga.txt SC 13G/A 12747
  Complete submission text file 0000912057-01-005891.txt   14574
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.: 1545779
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)