2024 PSP Toxicity Results
Results are whole animal blue mussels Mytilus edulis sampled
from primary sites.
Counts equal to or above 80 µg STX eq 100 g-1 are
displayed in red text.
Station
|
BB45-SANDWICH-CAPE COD CANAL, NE
|
CCB25-DENNIS-BREAKWATER SESUIT HARBOR
|
CCB4-PROVINCETOWN-PROVINCETOWN HARBOR
|
CCB42-PLYMOUTH-PLYMOUTH HARBOR RAMP
|
MB11-COHASSET-LITTLE HARBOR
|
MB5-MARSHFIELD-DAMON POINT
|
MB7-SCITUATE-SCITUATE HARBOR
|
N2-NEWBURYPORT-SHELLFISH PURIFICATION PLANT
|
N4-IPSWICH-DANCE HALL PAVILION BEACH
|
N7-ESSEX-CONOMO POINT
|
N9-GLOUCESTER-ANNISQUAM YACHT CLUB
|
OC3-ORLEANS-ROBERTS COVE
|
OC5-EASTHAM-HEMENWAY
|
OC6-EASTHAM-SALT POND
|
SC52-CHATHAM-AUNT LYDIA’S COVE, NICKERSON’S MKT.
|
|
Mar 04
|
Mar 11
|
Mar 17
|
Mar 18
|
Mar 24
|
Mar 25
|
Mar 31
|
Apr 01
|
Apr 07
|
Apr 08
|
Apr 09
|
Apr 15
|
Apr 16
|
Apr 21
|
Apr 22
|
Apr 23
|
Apr 25
|
Apr 28
|
Apr 29
|
May 05
|
May 06
|
May 07
|
May 12
|
May 13
|
May 19
|
May 20
|
May 27
|
May 28
|
Jun 02
|
Jun 03
|
Jun 09
|
Jun 10
|
Jun 16
|
Jun 17
|
Jun 23
|
Jun 24
|
Jun 30
|
Jul 01
|
Jul 07
|
Jul 08
|
Jul 09
|
Jul 14
|
Jul 15
|
Jul 21
|
Jul 22
|
Jul 23
|
Jul 24
|
Jul 28
|
Jul 29
|
Aug 12
|
Aug 13
|
Aug 18
|
Aug 19
|
Aug 20
|
Aug 26
|
Sep 08
|
Sep 09
|
Sep 22
|
Sep 23
|
Oct 07
|
Oct 08
|
|
|
|
|
|
|
|
|
|
<39
|
|
|
<41
|
|
<40
|
|
|
|
<39
|
|
<38
|
|
|
<42
|
|
<40
|
|
<39
|
|
<38
|
|
<41
|
|
<40
|
|
<38
|
|
<38
|
|
<39
|
|
|
<41
|
|
<38
|
|
|
|
<38
|
|
<40
|
|
<41
|
|
<39
|
|
<41
|
|
<38
|
<53
|
|
|
|
|
|
|
|
|
|
|
<40
|
|
|
|
|
<37
|
|
|
|
<39
|
|
<39
|
|
|
<40
|
|
<40
|
|
<39
|
|
<40
|
|
<41
|
|
<40
|
|
<39
|
|
<39
|
|
<41
|
|
|
<40
|
|
<39
|
|
|
|
<33
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<39
|
|
|
<39
|
|
<39
|
|
|
|
<39
|
|
<39
|
|
|
<41
|
|
<39
|
|
<39
|
|
<41
|
|
<39
|
|
<41
|
|
<40
|
|
<40
|
|
<39
|
|
|
<39
|
|
<39
|
|
|
|
|
|
|
|
|
|
|
|
<39
|
|
<39
|
|
|
|
|
|
|
|
|
|
|
|
<40
|
|
|
<41
|
|
<39
|
|
|
|
<38
|
|
<37
|
|
|
<41
|
|
<40
|
|
<40
|
|
<38
|
|
<40
|
|
<41
|
|
<38
|
|
<39
|
|
<39
|
|
|
<38
|
|
<40
|
|
|
|
<39
|
|
<39
|
|
<40
|
|
<39
|
|
<39
|
|
<38
|
|
|
|
|
|
|
|
|
|
|
|
<42
|
|
|
<41
|
|
<39
|
|
|
|
<38
|
|
<39
|
|
|
<41
|
|
<40
|
|
<40
|
|
<38
|
|
<40
|
|
<41
|
|
<40
|
|
<40
|
|
<39
|
|
|
<39
|
|
<39
|
|
|
|
<39
|
|
<39
|
|
<40
|
|
<39
|
|
<39
|
|
<39
|
<42
|
|
|
|
|
|
|
|
|
|
|
<41
|
|
|
<41
|
|
<40
|
|
|
|
<39
|
|
<37
|
|
|
<41
|
|
<41
|
|
<41
|
|
<39
|
|
<40
|
|
<40
|
|
<38
|
|
<41
|
|
<41
|
|
|
<31
|
|
<39
|
|
<35
|
|
|
|
<38
|
|
<35
|
|
<39
|
|
<41
|
|
<46
|
<40
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<39
|
|
<39
|
|
|
<41
|
|
<40
|
|
<39
|
|
<39
|
|
<41
|
|
<41
|
|
<40
|
|
<41
|
|
<39
|
|
|
<39
|
|
<39
|
|
|
|
<40
|
|
<39
|
|
<41
|
|
<39
|
|
<41
|
|
<38
|
|
|
|
|
|
|
|
|
|
|
|
|
<39
|
|
<39
|
|
|
<39
|
|
|
<40
|
|
<39
|
|
|
<41
|
|
<41
|
|
<40
|
|
<40
|
|
<39
|
|
<40
|
|
<39
|
|
<40
|
|
|
<41
|
|
<38
|
|
|
<41
|
|
|
<38
|
<40
|
|
|
|
<41
|
<41
|
|
<38
|
|
<41
|
|
<47
|
|
|
|
|
|
|
|
|
|
|
<41
|
|
<40
|
|
|
<39
|
|
|
<39
|
|
<39
|
|
|
<41
|
|
<41
|
|
<41
|
|
<40
|
|
<39
|
|
<40
|
|
<38
|
|
<39
|
|
|
<41
|
|
<39
|
|
|
<40
|
|
|
<41
|
<41
|
|
|
|
<39
|
<41
|
|
<39
|
|
<39
|
|
<46
|
|
|
|
|
|
|
|
|
|
|
<40
|
|
<39
|
|
|
<39
|
|
|
<39
|
|
<39
|
|
|
<41
|
|
<41
|
|
<39
|
|
<39
|
|
<39
|
|
<40
|
|
<40
|
|
<40
|
|
|
<40
|
|
<38
|
|
|
<40
|
|
|
<40
|
<39
|
|
|
|
<40
|
<39
|
|
<39
|
|
<36
|
|
<38
|
|
|
|
|
|
|
|
|
|
|
<39
|
|
<39
|
|
|
42
|
42
|
|
<40
|
|
|
<40
|
|
<41
|
|
<41
|
|
<40
|
|
<40
|
|
<39
|
|
<41
|
|
<40
|
|
<38
|
|
|
<40
|
|
<39
|
|
|
<40
|
|
|
<40
|
<37
|
|
|
|
<39
|
<38
|
|
<39
|
|
<38
|
|
<38
|
|
|
934
|
|
1087
|
|
1339
|
|
1242
|
|
|
524
|
|
496
|
|
|
|
530
|
|
387
|
|
|
161
|
|
77
|
|
52
|
|
44
|
|
<38
|
|
<41
|
|
<38
|
|
<38
|
|
<39
|
|
|
<39
|
|
<41
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
47
|
|
45
|
|
48
|
|
64
|
|
65
|
|
|
70
|
|
356
|
|
|
|
|
|
|
|
|
|
|
|
43
|
|
|
<40
|
|
<36
|
<40
|
|
<38
|
|
|
<40
|
<39
|
|
|
<38
|
|
<37
|
|
|
|
<41
|
|
|
<31
|
<40
|
|
|
<40
|
<40
|
|
<54
|
|
<40
|
|
|
220
|
|
434
|
|
505
|
|
74
|
|
949
|
|
|
2458
|
|
1811
|
|
|
|
1608
|
|
1654
|
|
|
1329
|
|
471
|
278
|
|
|
60
|
|
<39
|
<39
|
|
<38
|
|
|
<37
|
<39
|
|
|
<40
|
|
<40
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
<38
|
<39
|
|
<39
|
|
<40
|
|
<41
|
|
<39
|
|
|
<40
|
|
<38
|
|
|
|
<39
|
|
<37
|
|
|
<41
|
|
<40
|
|
<41
|
|
<38
|
|
<40
|
|
<39
|
|
<39
|
|
<39
|
|
<39
|
|
|
<39
|
|
<40
|
|
|
|
<40
|
|
<38
|
|
<41
|
|
<40
|
|
<40
|
|
<39
|
<38
|
|
|