Lake Waban Ecological Risk Assessment, Eastern Massachusetts.  Confidential Client.  Project Manager.
Woods Hole Group has provided quarterly sampling and analysis of surface water, sediment and tissues in support of an ecological risk assessment.  Surface waters were sampled and analyzed using “clean” techniques, i.e., Class 100 clean hood conditions, according to Method 1669 for an extensive suite of metals.  Additional water analyses included cyanide, hexavalent chromium, total suspended solids and hardness.  Sediments were analyzed for metals, physiologically available cyanide (PAC), hexavalent chromium and the acid volatile sulfide/simultaneously extractable metals (AVS/SEM).  Fish tissue, mussels, clams, invertebrates and aquatic plants were analyzed for metals.  The fish species included large mouth bass, pumpkinseed sunfish and yellow perch.  Fish tissue analyses were conducted on whole body, fillets, and livers.  Various species of aquatic plants were analyzed either as stem/leaf or root samples.  These projects also involved similar analyses at reference ponds in eastern Massachusetts.

Naval Air Station.  South Weymouth, Massachusetts.  Confidential Client.  Senior Project Manager.
Risk assessment and confirmatory analyses were being performed for a fuel farm and UST remediation at the Naval Air Station in South Weymouth, MA.  Analyses included TCL VOC, SVOC and Pesticide/PCB, TAL Metals and waste characterization.  In addition, MADEP Methods for VPH/EPH, lead, copper and PCB results with 72-hour turnaround time were required.  Full Level IV, CLP-like data package suitable for data validation was needed for most analyses.

Gloucester Harbor Monitoring Program.  Confidential Client.  Senior Project Manager.
In support of the City of Gloucester, Massachusetts’ 301(h) Outfall Monitoring Program, Woods Hole Group Environmental Laboratories is providing low level measurements of volatiles (Method 8260B modified), semivolatiles (Method 8270C modified), pesticides/PCBs (Methods 8081/8082 modified), phenols, metals, cyanide, grain size and TOC in marine sediments.  The project’s detection limits were established to permit ecological risk assessment using sediment quality guidelines.

Tetraethyllead Analyses, South America.  Confidential Client.  Senior Project Manager.
In response to a petroleum spill in a coastal zone, analytical methods were developed to quantitate tetraethyllead (TEL) and its degradation products, triethyllead chloride (TREL) and inorganic lead in marine sediments, pore waters and seawater.  Low reporting limits, i.e., ppb in sediments and sub-ppb in aqueous samples, were required for use in human and ecosystem risk assessment studies.  A combination of techniques were required to achieve the analytical goals for the various compounds in the different matrices.  Sediments were analyzed for total lead by ICAP and GFAA following microwave-assisted acid digestion.