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n <br />G <br />0 <br />ENVIRONMEN74L <br />TECHNOLOG/ES <br />Methodology for Waste Classification and Cleanup level Determination" by Dr. Jon Marshack, <br />dated June 1989. <br />Examples of Type III soils include non -hazardous soils containing FNAs, chlorinated pesticides <br />and solvents, alcohol, ketone and aliphatic and aromatic contaminated soils, if no designated <br />levels are indicated in WDR 89-148. However, when site specific designated levels have been <br />established and approved by the regulatory agencies, such contaminated soils may be reclassified <br />as Types I or H soil. <br />3.4 Type IV Soils: Special Class II Soils mz�.C Is <br />These are contaminated soils that may be classified as hazardous, but have an accompanying <br />variance from the DOHS, thereby waiving the hazardous classification. Additionally, these <br />Type IV soils will include soils that are currently classified as designated waste, but require the <br />specific approval of the RWQCB for reclassification as a non -designated waste, or special <br />requirements prior to acceptance as a Class R designated waste. Examples of such a waste <br />would include Type III soils containing chemicals at concentrations above the their designated <br />levels. Type IV soil may require storage/treatment and post-treatment disposal ata WMU. <br />7 <br />7255 Soroni Drive •Ookland,California,USA 94611 <br />TEL (415)339-1543 • FAX(415)339-6775 <br />