10/08/1998 BOARD OF HEALTH Minutes

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MINUTES October 8, 1998 4 BOARD OF HEALTH *FOR DISCUSSION***** John's Pond Test Results Mr. McQuaid relayed, "A couple of weeks ago I was called by the newspaper asking whether I knew about a hit of contamination inside John's Pond." "I was not aware of it however, today I was called by Lee Perry from the I.R.P. office at the Military Reservation who confirmed there was a hit of T.C.E. inside, underneath John's Pond_" "I don't have the whole package however, it will be delivered to me tomorrow." "As part of the I.R.P. program to delineate the confines of the SD5 plume they set out a number of monitoring wells under John's Pond at intervals of 25' across the pond and 150' down." 'Every 125' they have these sets of monitoring wells that go down beyond the bottom of the pond." "They came up with an unusually high hit of T.C.E.." "The drinking water standards are 5 p.p.b.." "At 50' below the bottom of the pond in the groundwater they came up with hits in excess of 1100 p.p.b.... "This is a 100' off shore of the boat ramp in John's Pond and 50' south." "It's a very concentrated small area of between 30' and 60' square feet." "I asked them if they tested the actual pond water and they said yes, they put a probe in down to the bottom of the pond and lifted it up 2 inches and took samples there." "The samples there had a detect of 40 to 50 p.p.b. of T.C.E.." "They then put out more probes all around this hot spot and if you go 75' north, south, east and west it's non- detect so it's coming up right in this one area." `They are questioning whether it is part of the SD5 plume because the SD5 has T.C.E. but it also has other compounds and these hits came up with pure T.C.E. in extremely high levels." "They have mapped the plume." "They're now going to determine whether this hit is a product of the SD5 plume or whether it's something totally unrelated to that." "In my opinion, without having read the full report, that there was a slug of T.C.E. that came through the SD5 plume." "I am recommending the Board request the military come in and explain jointly to the Board of Health and Board of Selectmen." Board members agreed. I Mr. Cram directed the agent to invite the Selectmen and the military to the next regularly scheduled meeting. Southport R.. Mr. McQuaid relayed, "I was asked by the Executive Secretary to attend a meeting with the Fire Department and Building Department to discuss occupancy permits." "Mr. Bonvie is expecting occupancy permits to be issued." "We agreed to sign-off on renewal i I