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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001047469-02-002134
Filing Date
2002-02-12
Accepted
2002-02-12 00:00:00
Documents
1

Document Format Files

Seq Description Document Type Size
1 2001 SCHEDULE 13G/A - PHARMCHEM INC doc1.txt SC 13G/A 5347
  Complete submission text file 0001047469-02-002134.txt   7464
Mailing Address 1299 OCEAN AVENUE 11TH FLOOR SANTA MONICA CA 90401
Business Address 1299 OCEAN AVE 11TH FLOOR SANTA MONICA CA 90401 3103958005
DIMENSIONAL FUND ADVISORS INC (Filed by) CIK: 0000354204 (see all company filings)

IRS No.: 22370029 | State of Incorp.: IL | Fiscal Year End: 1231
SIC: 0000

Mailing Address 4600 BEACH STREET HALTOM CITY TX 76137
Business Address 4600 BEACH STREET HALTOM CITY TX 76137 8176055300
PHARMCHEM INC (Subject) CIK: 0000876645 (see all company filings)

IRS No.: 770187280 | State of Incorp.: CA | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-42072 | Film No.: 02538554
SIC: 8071 Services-Medical Laboratories