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thought this might be of interest. these are some methyl mercury levels of fish from alaskan coastal waters, primarily cook inlet and prince william sound. the samples were gathered by F&G and analyzed by DEC.
levels are in parts per million. the EPA's recommended consumption guidelines are:
.30-.47 ppm not more than 2 8 oz portions/mo.
.47-.94 ppm   "      "     "   1   portion
.94-1.9          "      "     "   1/2
the hottest fish are far and away salmon sharks, lingcod, and yelloweye.
top 10 in the survey were ss -1.243ppm,lc-1.215, ye-1.178, ss-1.108
ss-.905,ye.863, ss (4) .84, .828,.750,.728
ALL the salmon shark, yelloweye and all but one legal sized lingcod had concentrations > .30 ppm
some halibut samples, given with weights, were #240 .575, #30 (male).554, #196 .324, ##120 .318, #180 .318
black rocfish, gray cod, salmon,sole, crab and other invertebrates tested had overall low or barely detectable levels of methyl mercury.
two tuna samples landed in homer  had levels of.155 and.073 ppm.

Message Thread:

• methyl mercury in alaskan fish homerdave Jan 30 2005
  • Tuna in Homer?? B_M Jan 31 2005
    • tuna homerdave Jan 31 2005
  • AK fish... AlaskanAuthor Jan 31 2005
    • no conflict of data here homerdave Jan 31 2005