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• 16 April 1998 <br /> AGE-NC Project No 96-0263 <br /> Page 4 of 5 <br /> 5 0. PROCEDURES <br /> 5 1 COLLECTION OF SOIL AND GROUND WATER SAMPLES <br /> For the collection of soil and ground water samples, the following procedures will be performed <br /> I Prepare a site health and safety plan in accordance with Occupational Safety and Health <br /> Guidance Manual foi Hazardous Waste Site Activities (Prepared by National Institute for <br /> Occupational Safety and Health Administiation, U S Coast Guard and U S Environmental <br /> Protection Agency, 1985) <br /> 2 Notify the PHS-EHD 48 hour s pi ioi to commencement of any work, after securing proper <br /> county soil boring permits <br /> 3 Mark probe boiing locations at least 48 hours in advance for an Underground Service Alert <br /> (USA) check of underground utilities or pipes <br /> 4 Install nine probe borings, using a van-mounted Geoprobe equipp.!d with a 1 25-inch <br /> diameter probe rods and a 2-inch diametei soil sampler Borings will b_ advanced to depths <br /> Of <br /> .. - _ 'tic i'„ n i t _ ,t , i w <br /> iii �.iiji.�,�,.i.�.....> i;� �„ '' 1�.�.i 1 �UUlll 1u�c1l1X115 �tj�, 111�tJlA4�C.-U Vll 1 a8lk1C L <br /> 5 Docorltaarvrate s2n1p1,i g e gvipinent in an Alcono% solution and imse ti%ice ,%,lth vatei pi,oi <br /> to each sampling run <br /> C / 6 Obtain soil samples continuously, using a Geopiobe'Inaci cote soil sampliing assembly <br /> loaded with a Teflon liner <br /> 7 Preset ve soil in the liner by cover]ng both ends of the desired depth of the liner with Teflon <br /> sheets capping, and sealing "ith tape Label and log samples on a chain-of-custody form <br /> 8 Screen soil sample duplicates for the presence of volatile organics using an organic vapor <br /> meter equipped with a photo-ionization detector (PID) pre-calibrated to isobutylene <br /> 9 Log borings in accordance with the Unified Soil Classification System <br /> 10 Collect a minimum of six ground water samples Ground water samples will be collected <br /> from selected probings using a Geoprobe water sampling assembly or Screen Samples will <br /> be collected in 40-m1 VOA vials, labeled and placed in a chilled container, under ice <br /> 11 Backfill each probing using a concrete slurry in the entire depth of the probing <br /> 12 Selected soil and ground water samples will be transported to a state-certified laboratory and <br /> analyzed for total peti oleum hydrocai bons quantified as gasoline(TPH-i;) in accordance with <br /> EPA methods 8015rn/5030, volatile aromatic compounds (benzene, toluene, ethyl-benzene <br /> • and total x}lenes BTE&X) in accordance with EPA methods 8020, methyl-tert-butyl ether <br /> Adwwced CcoEn%ironmental,Inc <br />