Laserfiche WebLink
600 N Holt Road Project No.06304-01 P age 17 <br /> 4.3 Laboratory Analysis <br /> Soil and groundwater samples will be transported under chain of custody to McCampbell in <br /> Pittsburg, California (Accreditation No. 106190). The soil and groundwater samples will be <br /> analyzed for OCPs with EPA Method 8081A. <br /> The analytical laboratory will comply with all the QA/QC procedures set forth in the laboratory's <br /> QA/QC manual and SOPS as submitted for CA-ELAP accreditation. QA/QC shall be reported in <br /> summary form for all samples submitted. <br /> 4.4 Detection Limits <br /> The method detection limits (MDLs), and laboratory reporting limits (RLs) have been provided by <br /> McCampbell Analytical and are included in Tables 3 and 4 below. The San Francisco Bay Regional <br /> Water Quality Control Board (2019 Rev. 2)for Residential Shallow Soil Exposure, Cancer Risk levels <br /> were compared to the reporting limits.All OCP RLs are below the San Francisco Bay Regional Water <br /> Quality Control Board ESLs. <br /> Table 3.Comparison of Reporting Limits to San Francisco Bay Regional Water Quality Control Board <br /> Screening Levels-Residential Soil Exposure Cancer Risk <br /> Minimum Detection Limit Reporting Limit ESLs <br /> CAS No. Analyte (mg/Kg) (mg/Ki (mg/Kg) <br /> McCampbell Analytical Laboratories <br /> OCPs 8081A <br /> 72-54-8 DDD 0.000043 0.0001 2.7 <br /> 72-55-9 DDE 0.000094 0.0001 1.8 <br /> 50-29-3 DDT 0.000092 0.0001 1.9 <br /> 309-00-2 Aldrin 0.000036 0.0001 0.035 <br /> 319-84-6 a-BHC 0.000025 0.0001 <br /> 319-85-7 b-BHC 0.00025 0.0003 <br /> 319-86-8 d-BHC 0.00013 0.0002 <br /> 58-89-9 g-BHC 0.000066 0.0001 <br /> 12789-03-6 Chlordane(Technical) 0.00043 0.0025 0.48 <br /> 5103-71-9 a-Chlordane 0.000095 0.0001 <br /> 5566-34-7 g-Chlordane 0.000047 0.0001 <br /> 60-57-1 Dieldrin 0.000061 0.0001 0.037 <br /> 959-98-8 Endosulfan 1 0.000048 0.0001 <br /> 33213-65-9 Endosulfan II 0.000076 0.0001 <br /> 1031-07-8 Endosulfan sulfate 0.000078 0.0001 N/A <br /> 72-20-8 Endrin 0.000035 0.0001 21' <br /> 7421-93-4 Endrin aldehyde 0.000067 0.0001 <br /> 53494-70-5 Endrin ketone 0.000094 0.0001 <br /> 76-44-8 Heptachlor 0.00004 0.0001 0.12 <br /> 1024-57-3 Heptachlor epoxide 0.000054 0.0001 0.062 <br /> 118-74-1 1 Hexachlorobenzene 0.00011 1 0.00 10.18 <br /> 77-47-4 Hexachlorocyclopentadiene 0.00034 0.002 <br /> 72-43-5 Methoxychlor 0.00013 0.0002 1 3501.r <br /> 8001-35-2 Toxaphene 1 0.0034 1 0.005 1 0.51 <br /> Note:mg/Kg-milligram per kilogram <br /> (a)SFBRWQCB(2019 Rev.2)Residential Shallow Soil Exposure Noncancer Hazard <br /> Petralogix Engineering,Inc. <br /> 26675 Bruella Road,Galt,Ca 95632 <br /> (209)-400-5729 <br /> www.petralogixcom <br />