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MLES Marine Life Exclusion System SAS Sound Attenuation System PCS Particulate Control System RPS Reservoir Protection System BPS Beach Protection System

Gunderboom® PCS Particulate Control System (continued)

Proven Technology.

From creating safe swimming beaches to protecting aquatic organisms from underwater demolition, Gunderboom is a world leader in waterborne pollutant containment systems.

Contaminated Sediment Remediation Pilot Project. Tests from a creosote-contaminated dredge project show the effectiveness of the PCS™. Within the boom, total suspended solids (TSS) was reduced from 350 to 12 mg/L, turbidity dropped from 96 to 1.5 NTU and all other conventional pollutants were below detectable levels (ND).

Exxon Valdez Oil Spill. During the cleanup of Alaska’s 1989 oil spill, Gunderboom’s PCS™ was deployed in several key locations to protect the region’s critical salmon spawning streams and pristine glacier fjords from contamination.

Homer, Alaska. In 1996 Homer needed to double the size of its boat harbor but the project coincided with salmon spawning season. A Gunderboom PCS™ was deployed to enclose the underwater work area. The spawning salmon and other marine life were protected, and the dredging operations were able to proceed.

Homer, Alaska 1996
Conventional Pollutants Criteria Outside Boom Inside Boom
Total Suspended Solids (EPA 160.2) (mg/L) NA (b) 350 12
Turbidity (EPA 180.1) (NTU) 12.3 (c) 96 1.5
Naphthalene 2,350 (l) 37 ND
Acansphthene 970 (lf) 36 ND
Phenanthrene 4.5 (l) 66 ND
Benzo(a)anthracene NA (g) 4.8 ND
Chrysene NA (g) 4.3 ND
Andeno(1,2,3-cd)pyrene NA (g) 0.48 ND
Dibenz(a,h)anthracene NA (g) 0.10 J1 ND
Benzo(g,h,I)perylene NA (g) 0.22 ND
PCS Suspended Particulate Containment-Hydraulic Dredge Site
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