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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000913414-08-004405
Filing Date
2008-02-06
Accepted
2008-02-06 12:25:38
Documents
1

Document Format Files

Seq Description Document Type Size
1 tetra123107.txt SC 13G 34760
  Complete submission text file 0000913414-08-004405.txt   37175
Mailing Address 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107
Business Address 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107 6263514664
TETRA TECH INC (Subject) CIK: 0000831641 (see all company filings)

IRS No.: 954148514 | State of Incorp.: DE | Fiscal Year End: 0930
Type: SC 13G | Act: 34 | File No.: 005-43035 | Film No.: 08580525
SIC: 8711 Services-Engineering Services

Mailing Address 45 FREMONT ST SAN FRANCISCO CA 94105
Business Address 45 FREMONT ST 17TH FL SAN FRANCISCO CA 94105 4155972639
BARCLAYS GLOBAL INVESTORS NA /CA/ (Filed by) CIK: 0000913414 (see all company filings)

IRS No.: 943112180 | State of Incorp.: CA | Fiscal Year End: 1231
Type: SC 13G
SIC: 0000