# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000831641-18-000010
Filing Date
2018-02-01
Accepted
2018-02-01 16:22:43
Documents
64
Period of Report
2017-12-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | ttekfy18q110-q.htm | 10-Q | 1036929
2 | EXHIBIT 31.1 | ttekex311q12018.htm | EX-31.1 | 14651
3 | EXHIBIT 31.2 | ttekex312q12018.htm | EX-31.2 | 14673
4 | EXHIBIT 32.1 | ttekex321q12018.htm | EX-32.1 | 7546
5 | EXHIBIT 32.2 | ttekex322q12018.htm | EX-32.2 | 7540
6 | EXHIBIT 95 | ttekex95q12018.htm | EX-95 | 14068
| Complete submission text file | 0000831641-18-000010.txt |  | 4563633

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
7 | XBRL INSTANCE DOCUMENT | ttek-20171231.xml | EX-101.INS | 764143
8 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | ttek-20171231.xsd | EX-101.SCH | 40274
9 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | ttek-20171231_cal.xml | EX-101.CAL | 73631
10 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | ttek-20171231_def.xml | EX-101.DEF | 161568
11 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | ttek-20171231_lab.xml | EX-101.LAB | 515353
12 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | ttek-20171231_pre.xml | EX-101.PRE | 282579

Mailing Address 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107
Business Address 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107 6263514664
TETRA TECH INC (Filer) CIK: 0000831641 (see all company filings)

EIN.: 954148514 | State of Incorp.: DE | Fiscal Year End: 0928
Type: 10-Q | Act: 34 | File No.: 000-19655 | Film No.: 18567139
SIC: 8711 Services-Engineering Services