1994 GULF OF MAINE MUSSEL SAMPLES Chlorinated Pesticides (ng/g) Chlorinated NSFI1N NSFI2N NSFI3N NSFI4N NSDI1N NSDI2N NSDI3N NSDI4N Pesticides MAY MAY MAY MAY SEP SEP SEP SEP ME ME ME ME HCB <2 <2/<2 <2 <2 <2 <2 <2 <2 r-BHC <2 <2/<2 <2 <2 <2 <2 <2 <2 Heptachlor <2 <2/<2 <2 <2 <2 <2 <2 <2 Aldrin <2 <2/<2 <2 <2 <2 <2 <2 <2 Hepta epoxide <2 <2/<2 <2 <2 <2 <2 <2 <2 "o,p'-DDE" 7.8 8.9/8.2 6.5 7.7 <2 <2 <2 <2 a-Endosulfan <2 <2/<2 <2 <2 <2 <2 <2 <2 cis-Chlordane <2 <2/<2 <2 <2 <2 <2 <2 <2 trans-Nonachlor <2 <2/<2 <2 <2 <2 <2 <2 <2 "p,p'-DDE" 3.7 3.1/3.9 <2 2.7 <2 2.3 2.4 2.1 Dieldrin <2 <2/<2 <2 <2 <2 <2 <2 <2 "o,p'-DDD" <2 <2/<2 <2 <2 <2 <2 <2 <2 b-Endosulfan <2 <2/<2 <2 <2 <2 <2 <2 <2 "p,p'-DDD" <2 <2/<2 <2 <2 <2 <2 <2 <2 "o,p'-DDT" <2 <2/<2 <2 <2 <2 <2 <2 <2 "p,p'-DDT" <2 <2/<2 <2 <2 <2 <2 <2 <2 Mirex <2 <2/<2 <2 <2 <2 <2 <2 <2 Total 12 12/12. 6.5 10 ND 2.3 2.4 2.1 Surrogate (%) 65 78 71 74 71 79 83 80 1994 GULF OF MAINE MUSSEL SAMPLES Chlorinated Pesticides (ng/g) Chlorinated NSDI1N NSDI2N NSDI3N NSDI4N NSBP1N NSBP2N NSBP3N NSBP4N Pesticides SEP SEP SEP SEP OCT OCT OCT OCT MT MT MT MT HCB <2 <2 <2 <2 <2 <2 <2 <2/<2 r-BHC <2 <2 <2 <2 3 2.8 2.7 3.1/3.0 Heptachlor <2 <2 <2 <2 <2 <2 <2 <2/<2 Aldrin <2 <2 <2 <2 <2 <2 <2 <2/<2 Hepta epoxide <2 <2 <2 <2 <2 <2 <2 <2/<2 "o,p'-DDE" <2 <2 <2 <2 <2 <2 <2 <2/<2 a-Endosulfan <2 <2 <2 <2 <2 <2 <2 <2/<2 cis-Chlordane <2 <2 <2 <2 <2 <2 <2 <2/<2 trans-Nonachlor <2 <2 <2 <2 <2 <2 <2 <2/<2 "p,p'-DDE" 3.1 3.7 3.1 3.4 3.2 2.7 2.6 2.9/2.7 Dieldrin <2 <2 <2 <2 <2 <2 <2 <2/<2 "o,p'-DDD" <2 <2 <2 <2 <2 <2 <2 <2/<2 b-Endosulfan <2 <2 <2 <2 <2 <2 <2 <2/<2 "p,p'-DDD" <2 <2 <2 <2 2 2 <2 <2/<2 "o,p'-DDT" <2 <2 <2 <2 <2 <2 <2 <2/<2 "p,p'-DDT" <2 <2 <2 <2 9.9 8.6 9.7 7.2/6.5 Mirex <2 <2 <2 <2 <2 <2 <2 <2/<2 Total 3.1 3.7 3.1 3.4 18 16 15 13/12 Surrogate (%) 71 81 83 81 71 74 72 71/69 1994 GULF OF MAINE MUSSEL SAMPLES Chlorinated Pesticides (ng/g) Chlorinated NSFI1N NSFI2N NSFI3N NSFI4N NSSC1N NSSC2N NSSC3N NSSC4N Pesticides OCT OCT OCT OCT SEP SEP SEP SEP HCB <2 <2 <2 <2 <2 <2 <2 <2 r-BHC <2 <2 <2 <2 <2 <2 <2 <2 Heptachlor <2 <2 <2 <2 <2 <2 <2 <2 Aldrin <2 <2 <2 <2 <2 <2 <2 <2 Hepta epoxide <2 <2 <2 <2 <2 <2 <2 <2 "o,p'-DDE" <2 <2 <2 <2 <2 <2 <2 <2 a-Endosulfan <2 <2 <2 <2 <2 <2 <2 <2 cis-Chlordane <2 <2 <2 <2 <2 <2 <2 <2 trans-Nonachlor <2 <2 <2 <2 <2 <2 <2 <2 "p,p'-DDE" 3.7 2.6/2.7 3.1 2.9 2 3.3 2.7 2.3 Dieldrin <2 <2 <2 <2 <2 <2 <2 <2 "o,p'-DDD" <2 <2 <2 <2 <2 <2 <2 <2 b-Endosulfan <2 <2 <2 <2 <2 <2 <2 <2 "p,p'-DDD" <2 <2 <2 <2 <2 <2 <2 <2 "o,p'-DDT" <2 <2 <2 <2 <2 <2 <2 <2 "p,p'-DDT" <2 <2 <2 <2 <2 <2 <2 <2 Mirex <2 <2 <2 <2 <2 <2 <2 <2 Total 3.7 2.6/2.7 3.1 2.9 2 3.3 2.7 2.3 Surrogate (%) 78 67/70. 77 81 91 70 75 89 1994 GULF OF MAINE MUSSEL SAMPLES Chlorinated Pesticides (ng/g) Chlorinated NSAR1N NSAR2N NSAR3N NSAR4N MEUR1N MEUR2N MEUR3N MEUR4N Pesticides OCT OCT OCT OCT OCT OCT OCT OCT HCB <2 <2 <2 <2 <2/<2 <2 <2 <2 r-BHC <2 <2 <2 <2 2.1/2.2 2.2 2.3 2.7 Heptachlor <2 <2 <2 <2 <2/<2 <2 <2 <2 Aldrin <2 <2 <2 <2 <2/<2 <2 <2 <2 Hepta epoxide <2 <2 <2 <2 <2/<2 <2 <2 <2 "o,p'-DDE" 2.6 2.6 2.4 2.9 <2/<2 <2 <2 <2 a-Endosulfan <2 <2 <2 <2 <2/<2 <2 <2 <2 cis-Chlordane <2 <2 <2 <2 <2/<2 <2 <2 <2 trans-Nonachlor <2 <2 <2 <2 <2/<2 <2 <2 <2 "p,p'-DDE" 2.9 2.8 2.7 3 3.4/2.0 2.3 2.2 2.4 Dieldrin <2 <2 <2 <2 <2/<2 <2 <2 <2 "o,p'-DDD" <2 <2 <2 <2 <2/<2 <2 <2 <2 b-Endosulfan <2 <2 <2 <2 <2/<2 <2 <2 <2 "p,p'-DDD" <2 <2 <2 <2 <2/<2 <2 <2 2.1 "o,p'-DDT" <2 <2 <2 <2 <2/<2 <2 <2 <2 "p,p'-DDT" <2 <2 <2 <2 <2/<2 <2 <2 <2 Mirex <2 <2 <2 <2 <2/<2 <2 <2 <2 Total 5.5 5.4 5.3 5.9 5.5/4.4 4.5 4.5 7.2 Surrogate (%) 60 59 59 55 75/75 69 66 73 1994 GULF OF MAINE MUSSEL SAMPLES Chlorinated Pesticides (ng/g) Chlorinated MEPR1N MEPR2N MEPR3N MEPR4N MEPH1N MEPH2N MEPH3N MEPH4N Pesticides HCB <2 <2 <2 <2 <2 <2 <2 <2 r-BHC 3.3 3.1 3.4 <2 2.3 3 2.7 2.8 Heptachlor <2 <2 <2 <2 <2 <2 <2 <2 Aldrin <2 <2 <2 <2 <2 <2 <2 <2 Hepta epoxide <2 <2 <2 <2 <2 <2 <2 <2 "o,p'-DDE" <2 <2 <2 <2 <2 <2 <2 <2 a-Endosulfan <2 <2 <2 <2 <2 <2 <2 <2 cis-Chlordane <2 <2 2 <2 2.1 2.1 2.2 2.5 trans-Nonachlor <2 <2 <2 <2 2.8 2.4 2 <2 "p,p'-DDE" 5.7 7 7.2 6.1 10 9.7 10 4.7 Dieldrin <2 2.2 2.3 2 4.9 5.1 5 4.1 "o,p'-DDD" 2.5 4 3.4 2.8 4.8 4.5 5.1 2.6 b-Endosulfan <2 <2 <2 <2 <2 <2 <2 <2 "p,p'-DDD" 5 6 5.7 4.6 12 9.2 11 8.4 "o,p'-DDT" <2 <2 <2 <2 <2 <2 <2 <2 "p,p'-DDT" <2 <2 <2 <2 <2 2.7 2.7 <2 Mirex <2 <2 <2 <2 <2 <2 <2 <2 Total 17 22 24 16 39 39 40 25 Surrogate (%) 68 72 76 58 74 60 69 49 1994 GULF OF MAINE MUSSEL SAMPLES Chlorinated Pesticides (ng/g) Chlorinated MEMR1N MEMR2N MEMR3N MEMR4N MEKN1N MEKN2N MEKN3N MEKN4N Pesticides OCT OCT OCT OCT OCT OCT OCT OCT HCB <2 <2 <2 <2 <2 <2 <2 <2 r-BHC <2 <2 <2 <2 <2 <2 <2 <2 Heptachlor <2 <2 <2 <2 4.9 3.6 3.4 4 Aldrin <2 <2 <2 <2 <2 <2 <2 <2 Hepta epoxide <2 <2 <2 <2 2.3 <2 <2 2 "o,p'-DDE" <2 <2 <2 <2 <2 <2 <2 <2 a-Endosulfan <2 <2 <2 <2 <2 <2 <2 <2 cis-Chlordane <2 <2 <2 <2 <2 <2 <2 <2 trans-Nonachlor <2 <2 <2 <2 <2 <2 <2 <2 "p,p'-DDE" 5.2 5.6 5.3 5.7 6.1 5.1 4.9 5.3 Dieldrin <2 <2 <2 <2 3.7 3 2.8 3.2 "o,p'-DDD" <2 <2 <2 <2 2.8 <2 <2 3.2 b-Endosulfan <2 <2 <2 <2 <2 <2 <2 <2 "p,p'-DDD" 2.1 2.7 2.2 2.3 3.3 2.8 2.5 3 "o,p'-DDT" 3 2.7 2.8 3.3 <2 <2 <2 <2 "p,p'-DDT" 4.7 5.2 2.5 2.7 <2 <2 <2 <2 Mirex <2 <2 <2 <2 <2 <2 <2 <2 Total 15 16 13 14 23 15 14 21 Surrogate (%) 72 71 72 65 56 76 75 73 1994 GULF OF MAINE MUSSEL SAMPLES Chlorinated Pesticides (ng/g) Chlorinated MECK1N MECK2N MECK3N MECK4N MESA1N MESA2N MESA3N MESA4N Pesticides OCT OCT OCT OCT OCT OCT OCT OCT HCB <2 <2 <2 <2 <2 <2 <2 <2/<2 r-BHC 2.7 2.6 2.6 2.5 <2 <2 <2 <2/<2 Heptachlor <2 <2 <2 <2 <2 <2 <2 <2/<2 Aldrin <2 <2 <2 <2 <2 <2 <2 <2/<2 Hepta epoxide <2 <2 <2 <2 <2 <2 <2 <2/<2 "o,p'-DDE" <2 <2 <2 <2 <2 <2 <2 <2/<2 a-Endosulfan <2 <2 <2 <2 <2 <2 <2 <2/<2 cis-Chlordane 2.2 2.2 2 2.1 <2 <2 <2 <2/<2 trans-Nonachlor <2 <2 <2 <2 <2 <2 <2 <2/<2 "p,p'-DDE" 6.4 7.1 6.5 6.7 4.1 3.7 4.2 4.7/4.6 Dieldrin 2.2 2.5 2.3 2.4 <2 <2 <2 <2/<2 "o,p'-DDD" 2 <2 <2 <2 <2 <2 <2 2.8/3.6 b-Endosulfan <2 <2 <2 <2 <2 <2 <2 <2/<2 "p,p'-DDD" 2.7 2.9 2.6 2.6 <2 <2 <2 2.4/2.4 "o,p'-DDT" <2 <2 <2 <2 <2 <2 <2 <2/<2 "p,p'-DDT" <2 <2 <2 <2 <2 <2 <2 <2/<2 Mirex <2 <2 <2 <2 <2 <2 <2 <2/<2 Total 18 17 16 16 4.1 3.7 4.2 9.9/11 Surrogate (%) 76 53 72 46 63 61 70 70/66 1994 GULF OF MAINE MUSSEL SAMPLES Chlorinated Pesticides (ng/g) Chlorinated NHDP1N NHDP2N NHDP3N NHDP4N NHCC1N NHCC2N NHCC3N NHCC4N Pesticides OCT OCT OCT OCT OCT OCT OCT OCT HCB <2 <2 <2 <2 <2 <2 <2 <2 r-BHC 2 <2 <2 <2 <2 <2 <2 <2 Heptachlor <2 <2 <2 <2 <2 <2 <2 <2 Aldrin <2 <2 <2 <2 <2 <2 <2 <2 Hepta epoxide 2.2 2.1 2.1 2 <2 <2 <2 <2 "o,p'-DDE" <2 <2 <2 <2 <2 <2 <2 <2 a-Endosulfan <2 <2 <2 <2 <2 <2 <2 <2 cis-Chlordane <2 <2 <2 <2 <2 <2 <2 <2 trans-Nonachlor <2 <2 <2 <2 <2 <2 <2 <2 "p,p'-DDE" 5.4 4.7 5.6 4.8 6.6 6 7 6.5 Dieldrin <2 <2 <2 <2 <2 <2 <2 <2 "o,p'-DDD" 2 <2 <2 <2 2.5 2 3.5 2.2 b-Endosulfan <2 <2 <2 <2 <2 <2 <2 <2 "p,p'-DDD" 2.3 2 2.2 2.1 3.5 3.2 3.7 3.4 "o,p'-DDT" <2 <2 <2 <2 <2 <2 <2 <2 "p,p'-DDT" <2 <2 <2 <2 <2 <2 <2 <2 Mirex <2 <2 <2 <2 <2 <2 <2 <2 Total 14 8.8 9.9 8.9 13 11 14 12 Surrogate (%) 72 69 57 82 66 62 67 64 1994 GULF OF MAINE MUSSEL SAMPLES Chlorinated Pesticides (ng/g) Chlorinated NHRH1N NHRH2N NHRH3N NHRH4N MADX1N MADX2N MADX3N MADX4N Pesticides OCT OCT OCT OCT NOV NOV NOV NOV HCB <2 <2 <2/<2 <2 <2 <2 <2 <2 r-BHC <2 <2 <2/<2 <2 2 <2 2.1 <2 Heptachlor <2 <2 <2/<2 <2 <2 <2 <2 <2 Aldrin <2 <2 <2/<2 <2 <2 <2 <2 <2 Hepta epoxide <2 <2 <2/<2 <2 2.4 2.2 2.4 2 "o,p'-DDE" <2 <2 <2/<2 <2 <2 <2 <2 <2 a-Endosulfan <2 <2 <2/<2 <2 <2 <2 <2 <2 cis-Chlordane <2 <2 <2/<2 <2 2.5 2.3 2.5 2.3 trans-Nonachlor <2 <2 <2/<2 <2 2.1 <2 2.1 <2 "p,p'-DDE" 3.1 3.5 3.6/3.6 3.7 14 13 14 12 Dieldrin <2 <2 <2/<2 <2 <2 <2 <2 <2 "o,p'-DDD" <2 <2 <2/<2 <2 6.3 6.8 3.8 4.6 b-Endosulfan <2 <2 <2/<2 <2 <2 <2 <2 <2 "p,p'-DDD" <2 <2 <2/<2 <2 7.2 6.8 7.5 7.1 "o,p'-DDT" <2 <2 <2/<2 <2 <2 <2 <2 <2 "p,p'-DDT" <2 <2 <2/<2 <2 2.7 4.1 3.3 3.1 Mirex <2 <2 <2/<2 <2 <2 <2 <2 <2 Total 3.1 3.5 3.6/3.6 3.7 39 35 38 31 Surrogate (%) 71 70 66/69 74 87 69 64 67 1994 GULF OF MAINE MUSSEL SAMPLES Chlorinated Pesticides (ng/g) Chlorinated MABI1N MABI2N MABI3N MABI4N MASN1N MASN2N MASN3N MASN4N Pesticides OCT OCT OCT OCT NOV NOV NOV NOV HCB <2 <2 <2 <2 <2 <2 <2 <2/<2 r-BHC <2 2.1 2.1 2.2 2.1 2.7 2.8 2.9/2.8 Heptachlor <2 <2 <2 <2 <2 <2 <2 <2/<2 Aldrin <2 <2 <2 <2 <2 <2 <2 <2/<2 Hepta epoxide <2 <2 <2 <2 <2 <2 <2 <2/<2 "o,p'-DDE" <2 <2 <2 <2 <2 <2 <2 <2/<2 a-Endosulfan <2 2.2 <2 <2 <2 <2 <2 <2/<2 cis-Chlordane 3.2 4.3 4.8 4.4 <2 2.3 2.6 2.2/2.3 trans-Nonachlor 3 4 4.7 4.3 <2 <2 2.2 <2/<2 "p,p'-DDE" 6.7 5.3 9.2 6.7 6.4 7 7.7 7.7/7.6 Dieldrin 2 2.1 2.5 2.9 <2 <2 2.3 2.2/2.3 "o,p'-DDD" 5.8 4.5 7.8 12 2 2.4 3.3 2.3/2.1 b-Endosulfan <2 <2 <2 <2 <2 <2 <2 <2/<2 "p,p'-DDD" 3.8 4.9 5.8 5.1 3.9 4.3 5.1 4.3/4.5 "o,p'-DDT" <2 <2 <2 <2 <2 <2 <2 <2/<2 "p,p'-DDT" 2.2 2.1 2.4 2.7 <2 <2 <2 <2/<2 Mirex <2 <2 <2 <2 <2 <2 <2 <2/<2 Total 27 32 39 40 14 19 26 22/22 Surrogate (%) 67 73 76 77 64 70 76 74/73 1994 GULF OF MAINE MUSSEL SAMPLES Chlorinated Pesticides (ng/g) Chlorinated MAIP1N MAIP2N MAIP3N MAIP4N MAWN1N MAWN2N MAWN3N MAWN4N Pesticides OCT OCT OCT OCT OCT OCT OCT OCT HCB <2 <2 <2 <2 <2 <2 <2 <2 r-BHC <2 <2 <2 <2 2.8 2.5 2.5 2.4 Heptachlor <2 <2 <2 <2 <2 <2 <2 <2 Aldrin <2 <2 <2 <2 <2 <2 <2 <2 Hepta epoxide 2 2 2.2 <2 <2 <2 <2 <2 "o,p'-DDE" <2 <2 <2 <2 <2 <2 <2 <2 a-Endosulfan <2 <2 <2 <2 3 2.5 <2 2.5 cis-Chlordane 2 2 2 2.1 2.7 2.5 2.4 2.5 trans-Nonachlor <2 <2 <2 <2 2.1 <2 <2 2.1 "p,p'-DDE" 6.5 6.3 6.3 6.5 7.8 6.9 6.9 7.2 Dieldrin <2 <2 2 <2 2.8 2 2.2 2 "o,p'-DDD" 4.4 3.8 3.9 3.3 7.1 2.2 5.1 3.6 b-Endosulfan <2 <2 <2 <2 <2 <2 <2 <2 "p,p'-DDD" 4.4 4.4 4.3 4.4 4.3 3.8 3.8 4.1 "o,p'-DDT" <2 <2 <2 <2 <2 <2 <2 <2 "p,p'-DDT" <2 <2 <2 <2 <2 <2 <2 <2 Mirex <2 <2 <2 <2 <2 <2 <2 <2 Total 19 19 21 16 33 22 23 26 Surrogate (%) 65 67 70 76 76 61 70 68 1994 GULF OF MAINE MUSSEL SAMPLES Chlorinated Pesticides (ng/g) Chlorinated NBNR1N NBNR2N NBNR3N NBNR4N NBHI1N NBHI2N NBHI3N NBHI4N Pesticides OCT OCT OCT OCT OCT OCT OCT OCT HCB <2 <2 <2 <2 <2 <2/<2 <2 <2 r-BHC <2 <2 <2 <2 <2 <2/<2 <2 <2 Heptachlor <2 <2 <2 <2 <2 <2/<2 <2 <2 Aldrin <2 <2 <2 <2 <2 <2/<2 <2 <2 Hepta epoxide <2 <2 <2 <2 <2 <2/<2 <2 <2 "o,p'-DDE" 3.7 3.7 3.4 3.1 3.3 3.5/3.4 3.5 3.4 a-Endosulfan <2 <2 <2 <2 <2 <2/<2 <2 <2 cis-Chlordane <2 <2 <2 <2 <2 <2/<2 <2 <2 trans-Nonachlor <2 <2 <2 <2 <2 <2/<2 <2 <2 "p,p'-DDE" <2 <2 <2 <2 <2 <2/<2 <2 <2 Dieldrin <2 <2 <2 <2 <2 <2/<2 <2 <2 "o,p'-DDD" <2 <2 <2 <2 <2 <2/<2 <2 <2 b-Endosulfan <2 <2 <2 <2 <2 <2/<2 <2 <2 "p,p'-DDD" <2 <2 <2 <2 <2 <2/<2 <2 <2 "o,p'-DDT" <2 <2 <2 <2 <2 <2/<2 <2 <2 "p,p'-DDT" <2 <2 <2 <2 <2 <2/<2 <2 <2 Mirex <2 <2 <2 <2 <2 <2/<2 <2 <2 Total 3.7 3.7 3.4 3.1 3.3 3.5/3.4 3.5 3.4 Surrogate (%) 83 81 82 70 85 77/84 85 84 1994 GULF OF MAINE MUSSEL SAMPLES Chlorinated Pesticides (ng/g) Chlorinated NBLB1N NBLB2N NBLB3N NBLB4N Pesticides OCT OCT OCT OCT HCB <2 <2 <2 Broken on r-BHC <2 <2 <2 arrival Heptachlor <2 <2 <2 Aldrin <2 <2 <2 Hepta epoxide <2 <2 <2 "o,p'-DDE" <2 <2 <2 a-Endosulfan <2 <2 <2 cis-Chlordane <2 <2 <2 trans-Nonachlor <2 <2 <2 "p,p'-DDE" 4.3 4 3.6 Dieldrin <2 <2 <2 "o,p'-DDD" <2 <2 <2 b-Endosulfan <2 <2 <2 "p,p'-DDD" <2 <2 <2 "o,p'-DDT" <2 <2 <2 "p,p'-DDT" <2 <2 <2 Mirex <2 <2 <2 Total 4.3 4 3.6 Surrogate (%) 85 73 80