SITE INFORMATION AND CORRESPONDENCE FILE 1

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NAR-22-95 WED 14:58 SAN JOAQUIN VALLEY APCD FAX NO 209 545 86b2 r, �3iuo 4.L3 Contaminated soil exposed for the sole purpose of sampling. 4.1.4 Soil contaminated solely by VOC containing liquid that has an initial boiling point of 302° F or higher, as detcrmincd by ASTM D86-78, provided that the soil is not heated above ambient temperature and samples of the contaminating liquid can be obtained. 4.1.5 Soil which is contaminated through natural seepage of liquids from natural sources. 4.1,6 The emergency excavation and decontamination of soil performed by, under the jurisdiction of, or pursuant to the requirements of, an authorized health officer, agricultural commissioner, fire protection officer, or other authorized agency officer. 'Whenever possible, the APCD shall be notified prior to commencing such excavation- 5.0 Requirements 5.1 Excavation of Contaminated Soil 5.1.1 The owner or operator who is performing an excavation as the result of the removal of an underground storage tank, leakage from a storage or transfer facility, accidental spillage, or other deposition, shall r monitor for VOC contaminated soil during the excavation of the material. 5.1.2 1f VOC contaminated soil is detected,the excavated soil shall be either transported off-site for treatment, recycling, disposal in an approved disposal site, stockpiled or returned to excavation, and covered as required by Section 5.1.3. 5.1.3 Contaminated soil which is not being treated shall be covered except when soil is being added or removed. The soil may be covered with a layer of uncontaminated soil no less than six (6) inches deep-, or, it may be covered with a tarp or other covering, provided no head space where vapors may accumulate is formed. 5.2 Limited Aeration 5.21 Limited aeration shall be subject to the following conditions: 5.2.1.1 is prohibited within 1000 fact of the nearest residence unless a risk assessment performed using the CAPCOA $NUAPM 4651 - 2 LIP7/e2 �.