Clark Seif Clark, Inc.

CSC’s staff is comprised of the following professionals:
Certified Industrial Hygienist (CIH),
Certified Environmental Managers (CEM),
Certified Indoor Air Quality Consultant,
Certified Indoor Air Quality Professional,
Registered Environmental Assessors (REA),
Asbestos Professionals,
Lead Professionals,
Mold, Water and Sewage Professionals.
Environmental Scientists, Health and Safety Professionals, Planners, and Auditors. Additional professional services are available.

Products and Services
Facility Design and Construction > Construction > Consulting > Industrial Hygiene Services
IAQ assessments, air, bulk, swab sampling and direct reading for IAQ evaluation
Facility Design and Construction > Construction > Consulting > Environmenal Services
Microbial, Asbestos, Sewage, IAQ Assessments, Phase I, II ESA, Hazardous Waste Assessment, Environmental Health and Safety
Facility Design and Construction > Construction > Consulting > Asbestos
Asbestos investigation, sampling and post inspections
Facility Design and Construction > Construction > Consulting > Environmental Health & Safety
Auditing and training
Facility Design and Construction > Construction > Consulting > Hazardous Waste
Assessment, sampling, evaluation
Physical Address:  Mailing Address:
21732 Devonshire Street
Chatsworth, California 91311
 PO Box 4299
 Chatsworth, California 91313
Toll Free: (800) 807-1118
Phone: (818) 727-2553
Fax: (818) 727-2559
Upper Management:  Mr. Franco Seif, Vice President
Irvine Branch
Research Drive
Irvine, California 92618
Phone: (949) 453-8177
Fax: (949) 453-8176
Upper Management:  Mr. Kenneth Thornburgh PhD, Regional Manager
Lake Elsinore Branch
31900 Mission Trail, Suite 110
Lake Elsinore, California 92530
Phone: (951) 674-2599
Fax: (951) 674-3308
Las Vegas Branch
6548 West Diablo Drive
Las Vegas, Nevada 89118
Phone: (702) 367-0045
Fax: (702) 367-4266
Upper Management:  Mrs. Ingeborg Thomas, Branch Manager
New Orleans Branch
1100 Poydras Street, Suite 2615
New Orleans, Louisiana 70163
Phone: (504) 599-8740
Fax: (504) 599-8741
Phoenix Branch
1553 West Todd Drive Suite 201
Phoenix, Arizona 85283
Phone: (480) 460-8334
Fax: (480) 460-8335
Upper Management:  Mr. Derrick Denis, Branch Manager
Pleasanton Branch
275 Rose Avenue
Pleasanton, California 94566
Phone: (925) 931-0100
Fax: (925) 931-0108
Upper Management:  Mr. Tim Kirk, Branch Manager
San Diego Branch
11440 West Bernardo Court Suite 300
San Diego, California 92127
Phone: (858) 753-1760
Fax: (858) 753-1761
Additional Information
Date Established: April, 1989
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