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g <br />Analyst: JMH Reviewed by: BS <br />2.50 <br />RL <br />0.499 <br />2.50 <br />2.50 <br />2.50 <br />2.50 <br />2.50 <br />2.50 <br />4.99 <br />4.99 <br />0.499 <br />2.50 <br />2.50 <br />2.50 <br />2.50 <br />2.50 <br />0.279 <br />0.378 <br />0.461 <br />EMPC <br />26.8 <br />Total HxCDF <br />Total HpCDF <br />6.52 <br />8.48 <br />140 <br />700 <br />36.4 <br />72.8 <br />82.1 <br />54.2 <br />47.0 <br />Conc. (pg/g) <br />19.0 <br />36.4 <br />80.5 <br />255 <br />845 <br />1,010 <br />636 <br />228 <br />1234678-HpCDF <br />1234789-HpCDF <br />OCDF <br />Totals <br />Total TCDD <br />Total PeCDD <br />Total HxCDD <br />Total HpCDD <br />Total PeCDF <br />EPA Method 1613B <br />6/25/2020 <br />Analyte <br />Client Sample ID: <br />7/6/2020 <br />B50-7 <br />144 <br />113 <br />100 <br />118 <br />112 <br />122 <br />114 <br />13670-005 <br />2205 <br />Matrix: <br />Sample Size: <br />105 <br />135 <br />93.9 <br />69.1 <br />121 <br />Qual. <br />Q-225 Analysis: <br />Solid 7/3/2020 <br />2,3,7,8-TCDD 110 <br />6/22/2020 <br />2:05 PMTime Collected:% Solids:94.6 <br />Conc. (pg/g)MDL <br />0.172 <br />10.59 <br />7/2/2020 <br />ZB-5MS Analysis: <br />Date Received: <br />Date Collected: <br />QC Batch #: <br />San Joaquin CogenProject ID:Ceres Sample ID: <br />Date Extracted: <br />13C-1234678-HpCDF <br />123678-HxCDD <br />123789-HxCDD <br />234678-HxCDF <br />123789-HxCDF <br />221 <br />58.5 <br />17.7 <br />2.76 <br />12378-PeCDD <br />123478-HxCDD <br />23478-PeCDF <br />123478-HxCDF <br />123678-HxCDF <br />70.1 <br />1234678-HpCDD <br />OCDD <br />2,3,7,8-TCDF <br />12378-PeCDF <br />0.327 <br />0.327 <br />2.50 <br />Labeled Standards % R <br />13C-2378-TCDD <br />106 <br />13C-123478-HxCDF <br />13C-12378-PeCDD <br />13C-123478-HxCDD <br />13C-123678-HxCDD <br />13C-23478-PeCDF <br />13C-OCDD <br />13C-2378-TCDF <br />13C-1234678-HpCDD <br />26-123 <br />Qualifiers <br />25-164 <br />25-181 <br />32-141 <br />28-130 <br />24-185 <br />LCL-UCL (a) <br />92.3 <br />92.6 <br />23-140 <br />17-157 <br />13C-12378-PeCDF <br />DL= 0.413 <br />2.84 <br />3.30 <br />0.315 <br />0.409 <br />0.655 <br />Total Toxic Equivalency (TEQ min.) (b):64.5 <br />DL - Signifies Non-Detect (ND) at sample specific detection limit. <br />EMPC - Estimated Maximum Possible Concentration due to ion abundance <br /> ratio failure. <br />(a) - Lower control limit - Upper control limit <br />(b) - TEQ based on (2005) World Health Organization (WHO) Toxic <br /> Equivalent Factors. <br />pg/g <br />Total TCDF <br />29-147 <br />28-143 <br />26-138 <br />21-178 <br />0.425 <br />0.0886 <br />0.412 <br />0.422 <br />0.518 <br />35-197 <br />CRS <br />1.01 <br />28-136 <br />24-169 <br />0.533 <br />0.319 <br />26-152 <br />13C-1234789-HpCDF <br />37Cl4-2378-TCDD <br />13C-123678-HxCDF <br />13C-234678-HxCDF <br />13C-123789-HxCDF <br />Page 8 of 18