Laserfiche WebLink
' • 0 <br /> 19 June 1998 <br /> . AGE-NC Project No 98-0465 <br /> Page 4 of 5 <br /> and by EPA Method 8260 for tertiary butanol (TBA), di-isopropyl ether (DIPE), ethyl tert butyl <br /> ether(ETBE) and tert amyl methyl ether(TAME), and to confirm and quantify MTBE if detected. <br /> by EPA Method 8020 Laboratory reports and sample chain-of-custody documentation will be <br /> presented in a report with the findings and recommendations <br /> 4.0. PROCEDURES <br /> 41 ADVANCEMENT OF SOIL PROBE BORINGS <br /> The following procedures will be performed for the advancement of soil probings and collection of <br /> soil samples <br /> 1 Notify the Public Health Services - Environmental Health Division at least 48 hours prior <br /> to commencement of any work, while securing proper city/county permits <br /> 2 Prepare a Site Health and Safety PIan in accordance with the Occupational Safety and Health <br /> Guidance Manual for Hazardous Waste Site Activities <br /> 3 Boring locations will be marked at least 48 hours in advance for an Underground Service <br /> Alert(USA) check of underground utilities or pipes <br /> 4 Advance a miriimum of(3)angled soil probe borings at the site to a depth of approximately <br /> 25-feet below site grade using a van-mounted Geoprobe probing unit equipped with 1 125- <br /> inch diameter rods Proposed probe boring locations are depicted on Figure 2 <br /> 5 Decontaminate sampling equipment in an Alconox solution and rinse with water prior to <br /> each sampling run <br /> 6 Obtain soil samples at 5-feet, 10-feet, 15-feet, 20-feet and 25-feet bsg in the angled soil <br /> probe borings Soil samples will be collected using a Geoprobe soil sampling assembly pre- <br /> loaded with four 1 125-inch by 6-inch brass sleeves <br /> 7 Preserve soil samples in the second brass sleeve by covering both ends with Teflon sheets, <br /> capping,and sealing with tape Each sample will be labeled with the following site location, <br /> sample identification, depth, time and date <br /> 8 Document samples on a chain-of-custody form <br /> 9 Store samples in a chilled container and transport to a State-certified laboratory for analysis <br /> 10 Monitor soil sample duplicates for the presence of volatile organics using a photo-ionization <br /> detector (PID) pre-calibrated to isobutylene <br /> i <br /> Advanced GeoEnvironmentai,Inc <br />