Michelle Bruneau - MDCH - 3/5/2014 bruneaum@michigan.gov St Marys Binational PAC March 5, 2014 Presented by: Michelle Bruneau Michigan Department of Community Health � Results of Fish Consumption Analysis for BUI Assessment � Results of Fish Tumor Analysis � Proposed Signs � New Fish Consumption Guidelines � Statewide changes � Local changes 1-800-648-6942 1
Michelle Bruneau - MDCH - 3/5/2014 bruneaum@michigan.gov � BUI Removal Criteria � St Marys AOC BPAC accepted MDEQ’s Guidance ▪ Fish Consumption guidelines same or less than an associated Great Lake or reference site ▪ Comparison Study: fish tissue contaminant levels from the AOC compared to same from reference site* ▪ Trend Analysis: AOC compared to itself over time* � Target Species (10 ‐ 20) � Carp ▪ high PCB burden ▪ relatively easy to collect � Secondary Species (10 ‐ 20) � Northern Pike � Rock Bass � Yellow Perch ▪ resident species ▪ likely to be available 1-800-648-6942 2
Michelle Bruneau - MDCH - 3/5/2014 bruneaum@michigan.gov Table 1. Fish samples collected from the St. Marys River AOC and two reference sites in 2012*. Species St. Marys River Les Cheneaux Little Bay De Noc 10 10 9 Carp 10 10 0 Pumpkinseed 7 0 10 Redhorse Sucker 10 10 14* Rock Bass 10 10 10 Smallmouth Bass 8 0 10 Walleye 10 10 0 Yellow Perch * ‐ rock bass from LBDN collected in 2008 � No significant 4.5 CARP St. Marys River relationship Les Cheneaux 4 Islands between fish length Little Bay De Noc and PCB 3.5 concentrations. PCB Concentration (mg/Kg) 3 2.5 � Total PCBs 2 concentrations in St Marys AOC carp 1.5 were the same or 1 lower than the 0.5 reference sites . 0 20 22 24 26 28 30 32 Length (Inches) 1-800-648-6942 3
Michelle Bruneau - MDCH - 3/5/2014 bruneaum@michigan.gov 4.5 CARP 4 St. Marys River 3.5 Les Cheneaux Islands Little Bay De Noc 3 PCB Concentration (mg/Kg) 2.5 2 1.5 1 0.5 0 20 22 24 26 28 30 32 Length (Inches) � No significant PCBs in Smallmouth Bass Fillets 0.03 relationship St. Marys River between fish length 0.025 Les Cheneaux and PCB Islands Little Bay De Noc concentrations. PCB Concentration (mg/Kg) 0.02 � Total PCBs 0.015 concentrations in St 0.01 Marys AOC smallmouth bass 0.005 were the same as the reference sites . 0 12 13 14 15 16 17 18 19 20 Length (Inches) 1-800-648-6942 4
Michelle Bruneau - MDCH - 3/5/2014 bruneaum@michigan.gov PCBs in Smallmouth Bass Fillets 0.03 St. Marys River 0.025 Les Cheneaux Islands Little Bay De Noc PCB Concentration (mg/Kg) 0.02 0.015 0.01 0.005 0 12 13 14 15 16 17 18 19 20 Length (Inches) � No significant relationship between 95% UCL on the mean total PCB fish length and PCB concentrations. 95% UCL (ppm) Species SMR LCI LBDN � No PCBs were Carp 0.64 1.88 2.06 detected. Pumpkinseed ND 0.004 ‐‐ Redhorse Sucker 0.01 ‐‐ 0.08 � Total PCBs Rock Bass ND 0.001 0.003* concentrations in Smallmouth Bass 0.01 0.01 0.01 these St Marys AOC Walleye 0.01 ‐‐ 0.33 fish were the same or Yellow Perch ND 0.002 ‐‐ lower than the ND – below quantification level; reference sites . * ‐ samples collected in 2008 1-800-648-6942 5
Michelle Bruneau - MDCH - 3/5/2014 bruneaum@michigan.gov � No significant relationship between 95% UCL on the mean total PCB fish length and PCB concentrations. 95% UCL (ppm) Species SMR LCI LBDN � No PCBs were detected Carp 0.64 1.88 2.06 in pumpkinseed, rock bass, or yellow perch. Pumpkinseed ^ ND 0.004 ‐‐ Redhorse Sucker 0.01 ‐‐ 0.08 � Total PCBs Rock Bass ^ ND 0.001 0.003* concentrations in St Smallmouth Bass ^ 0.01 0.01 0.01 Marys fish were the Walleye 0.01 ‐‐ 0.33 same or lower than the Yellow Perch ND 0.002 ‐‐ reference sites . ND – below quantification level * ‐ samples collected in 2008 ^ ‐ good site fidelity � No significant 0.5 Mercury in Rock Bass Fillets 0.45 relationship Mercury Concentration (mg/Kg) 0.4 St. Marys River between fish length 0.35 Les Cheneaux 0.3 Islands and mercury Little Bay De Noc 0.25 (2008) concentrations. 0.2 0.15 0.1 � Total mercury 0.05 concentrations in St 0 5 6 7 8 9 10 Marys AOC rock Length (Inches) bass were slightly greater than the reference sites. 1-800-648-6942 6
Michelle Bruneau - MDCH - 3/5/2014 bruneaum@michigan.gov 0.5 Mercury in Rock Bass Fillets 0.45 0.4 St. Marys River 0.35 Mercury Concentration (mg/Kg) Les Cheneaux Islands 0.3 Little Bay De Noc (2008) 0.25 0.2 0.15 0.1 0.05 0 5 6 7 8 9 10 Length (Inches) � No significant 0.3 Mercury in Yellow Perch Fillets relationship 0.25 Mercury Concentration (mg/Kg) between fish length 0.2 and mercury 0.15 concentrations. 0.1 St. Marys River � Total mercury 0.05 concentrations in St 0 6 7 8 9 10 Marys AOC yellow Length (Inches) perch were slightly greater than the reference sites. 1-800-648-6942 7
Michelle Bruneau - MDCH - 3/5/2014 bruneaum@michigan.gov 0.3 Mercury in Yellow Perch Fillets 0.25 Mercury Concentration (mg/Kg) 0.2 0.15 0.1 St. Marys River Les Cheneaux Islands 0.05 0 6 7 8 9 10 Length (Inches) � No significant 95% UCL on the mean total mercury relationship between concentration fish length and mercury concentrations. 95% UCL (ppm) Species SMR LCI LBDN � Total mercury concentrations in St Carp 0.36 0.3 0.38 Marys AOC carp, Pumpkinseed ^ 0.08 0.08 ‐‐ pumpkinseed, and Redhorse Sucker 0.14 ‐‐ 0.56 smallmouth bass were Rock Bass ^ the nearly the same as 0.26 0.12 0.11* the reference sites. Smallmouth Bass ^ 0.44 0.42 0.36 Sucker and walleye were lower than the Walleye 0.43 ‐‐ 0.55 reference sites. Yellow Perch 0.18 0.11 ‐‐ * ‐ samples collected in 2008 ^ ‐ good site fidelity 1-800-648-6942 8
Michelle Bruneau - MDCH - 3/5/2014 bruneaum@michigan.gov � Mercury � PCBs � St Marys ≤ Reference � St Marys ≤ Reference Sites Sites ▪ Carp ▪ Carp ▪ Pumpkinseed ▪ Pumpkinseed ▪ Redhorse Sucker ▪ Redhorse Sucker ▪ Smallmouth Bass ▪ Rock Bass ▪ Walleye ▪ Smallmouth Bass ▪ Yellow Perch* ▪ Walleye ▪ Rock Bass* ▪ Yellow Perch � DDT � Dioxin � St Marys < Reference � St Marys < Reference Sites Sites ▪ Carp ▪ Carp ▪ Pumpkinseed ▪ Redhorse Sucker ▪ Rock Bass ▪ Smallmouth Bass ▪ Walleye ▪ Yellow Perch 1-800-648-6942 9
Michelle Bruneau - MDCH - 3/5/2014 bruneaum@michigan.gov MI Servings per Month Species Chemical SMR LCI LBDN PCBs & Carp Limited Limited Limited Dioxins 12 12 ‐‐ Pumpkinseed Mercury 4 ‐‐ 1 Redhorse Sucker Mercury 4 8 8* Rock Bass Mercury 2 2 2 Smallmouth Bass Mercury PCBs & 2 ‐‐ 1 # Walleye Mercury Mercury 4 8 ‐‐ Yellow Perch * ‐ samples collected in 2008 # ‐ with cleaning and cooking This BUI will be considered restored when: � No reports of fish tumors or deformities due to chemical contaminants which have been verified through observation and analysis by the MDNR or MDEQ for a period of five years. � OR, in cases where any tumors have been reported: A comparison study of resident benthic fish (e.g., brown bullhead) of comparable age and at maturity (3 years), or of fish species which have historically been associated with this BUI, in the AOC and a non ‐ impacted control site indicates that there is no statistically significant difference (with a 95% confidence interval) in the incidence of liver tumors or deformities. 1-800-648-6942 10
Michelle Bruneau - MDCH - 3/5/2014 bruneaum@michigan.gov � Reports of tumors: � DNR had one unverified report 3 ‐ 4 years ago. � No other reports. ▪ 2009 PAC Support Grant: St Marys River Water Quality Network � Fulfills first criteria for US BUI removal. � 2012: MDEQ examined 10 bullhead from SMR � none had visible external tumors or observable (gross) liver tumors � 2012: MDEQ examined 67 fish of 7 other species � Sample included 8 walleye ▪ no gross tumors ▪ significant because some grossly observable liver tumors were observed in that species in 1987 (exact date uncertain). 1-800-648-6942 11
Michelle Bruneau - MDCH - 3/5/2014 bruneaum@michigan.gov � BUI Assessment Summary presented to PAC � Report will include: � Brief overview of fish consumption BUI � Will also include information on chemical analysis conducted in 2012 ‐ 2013 ▪ Summary of AOC fish filet contaminant data ▪ List of chemicals ▪ Summary of AOC fish tumor data ▪ List of species and number of samples ▪ Description of sampling location(s) ▪ Summary of referent location analytical data ▪ Description of data analysis ▪ Suggestions for next steps to assess the fish consumption & tumor BUIs in the St Marys River AOC ▪ Removal of BUIs? ▪ Further testing? ▪ Further remediation? � Development Team � Joe Bohr (MDEQ) ‐ bohrj@michigan.gov ▪ Fish Contaminant Monitoring Program ▪ Lead author 1-800-648-6942 12
Michelle Bruneau - MDCH - 3/5/2014 bruneaum@michigan.gov � Signs � Brochures � Swag � Bobbers � Tape Measures � Coloring/Activity Sheets � Coozies? � Tackle Boxes? � 18” x 24” � Premium pressure sensitive vinyl with premium laminate � Mounted to 3mm DiBond vertical signs with two 3/8” holes for mounting (1 ½” inset top and bottom) and radius corners. 1-800-648-6942 13
Michelle Bruneau - MDCH - 3/5/2014 bruneaum@michigan.gov 1-800-648-6942 14
Michelle Bruneau - MDCH - 3/5/2014 bruneaum@michigan.gov 1-800-648-6942 15
Michelle Bruneau - MDCH - 3/5/2014 bruneaum@michigan.gov 1-800-648-6942 16
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