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08 January 1996 <br /> AGE-NC Project No. 95-0105 <br /> Page 4 of 6 <br /> 4.0. PROCEDURES <br /> 4.1, COLLECTION OF SOIL AND GROUNDWATER SAMPLES <br /> For the collection of soil and ground water samples, the following procedures will be performed: <br /> 1. Prepare a site health and safety plan in accordance with Occupational Safety and Health <br /> Guidance Manual for Hazardous Waste Site Activities (Prepared by National Institute for <br /> Occupational Safety and Health Administration, U.S. Coast Guard and U.S. Environmental <br /> Protection Agency, 1985). <br /> 2. Notify the PHS-EHD 48 hours prior to commencement of any work, while securing proper <br /> city/county soil boring permits. <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. Install six probings, using a van-mounted Geoprobe equipped with a 1.125-inch diameter <br /> probe rods, to depths of approximately 5 to 7 feet. Probing locations are illustrated on Figure <br /> 2. <br /> 5. Decontaminate sampling equipment in an Alconox solution and rinse twice with water prior <br /> to each sampling run. <br /> 6. Obtain discrete soil samples continuously, using Geoprobe soil sampler assembly loaded with <br /> pre-cleaned 1.125-inch by 6-inch brass sleeves. <br /> 7. Preserve soil in the second brass sleeve by covering both ends with Teflon sheets, capping, <br /> and sealing with tape. Label and log samples on a chain-of-custody form. <br /> 8. Store the samples under ice and transport the samples in a chilled container to a State- <br /> certified laboratory for analysis. <br /> 9. Screen soil sample duplicates for the presence of volatile organics using a photo-ionization <br /> detector (PID) pre-calibrated to isobutylene. <br /> 10. Log borings in accordance with the Unified Soil Classification System. <br /> 11. Collect four ground water samples. Ground water samples will be collected from selected <br /> probings using a Geoprobe water sampling assembly. The samples will be collected in 40-m1, <br /> EPA approved VOA vials and 1-liter amber bottles (if necessary). <br /> 12. Backfill each probing using a concrete-bentonite slurry in the entire depth of the probing. <br /> 13. Selected soil samples and the each water samples will be analyzed for TPH-g and volatile <br /> aromatics(benzene, toluene, ethylbenzene and total xylenes: BTE&X) in accordance with the <br /> appropriate EPA methods. <br /> r <br />