Land Contamination: Technical Guidance on Special Sites: Acid Tar ...

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VitrificationVolatilisationWhite oilXylenolsIs related to solidification in that high temperatures are used tofuse contaminated materials into a glass or clinker material.The process through which compounds become volatile orvapours.A liquid paraffin frequently used in medicinal preparations.Hydroxydimethylbenzenes of which six isomers are possible. Thepure substances are low-melting solids having the generalproperties of phenols. Xylenol is the name given to a mixture ofthe isomers separated from the phenolic fraction of coal tar.R&D <strong>Technical</strong> Report P5-042/TR/04vi
1. INTRODUCTION1.1 BackgroundThis report is one of a series of technical guidance documents relating to Special Sites that arepart of the statutory regime for contaminated land introduced by the implementation of s.57 ofthe Environment Act 1995 that added Part IIA into the 1990 Environmental Protection Act(EPA 1990). The application of this primary legislation is via the Contaminated <strong>Land</strong>(England) Regulations 2000 and the accompanying DETR Circular 02/2000.This report provides technical information relevant to acid tar lagoons.Within the Contaminated <strong>Land</strong> (England) Regulations 2000 this category of Special Site isdefined as:−land which is contaminated land by reason of waste acid tars in, on or under the land.For the purposes of this definition, “waste acid tars” are tars which contain sulphuricacid, were produced as a result of the refining of benzole, used lubricants orpetroleum and are or were stored on land used as a retention basin for the disposal ofsuch tars.This report serves as a supplement to, and should be used in conjunction with, the followingEnvironment Agency documents to provide supporting information relevant to the discharge ofEnvironment Agency responsibilities for Special Sites:• Part IIA EPA 1990 Process Documentation ; and• DETR/Environment Agency. CLR11. Model Procedures for the Management ofContaminated <strong>Land</strong> (in preparation).In addition, the reader is directed to other documents published by the Environment Agency,the DETR and others in the references and bibliography section of this report.1.2 The Role of the Environment Agency in Relation to Special SitesFull details of Environment Agency regulatory roles, responsibilities and procedures fordealing with Special Sites are provided in the Part IIA process documentation, and only abrief overview is included here.The principal regulators for Part IIA (EPA 1990) are Local Authorities. The EnvironmentAgency has an important complementary regulatory role with specific responsibilitiesincluding the provision of information and advice, and acting as enforcing authority inrelation to Special Sites.Local Authorities are responsible for identifying land in their areas which meets the statutorydefinition of contaminated land under Part IIA (EPA 1990). In doing so, Local Authoritieswill seek information from the Environment Agency, and advice in respect of pollution ofcontrolled waters. Part IIA (EPA 1990) provides for certain land that meets the definition ofR&D <strong>Technical</strong> Report P5-042/TR/04 1
Page 1 and 2: Land Conta
Page 3 and 4: CONTENTSFOREWORDiGLOSSARYii1. Intro
Page 5 and 6: FOREWORDPart IIA of the Environment
Page 7 and 8: CresolsCreosoteDCRDesorptionDesulph
Page 9: PVCRCRASelosafeSodium saltsSodium h
Page 13 and 14: SECTION 2: INDUSTRIAL PROCESS/FACIL
Page 15 and 16: 1.5 Linkages Between the Gu
Page 17 and 18: 2.1.2 Overview of acid tar lagoon s
Page 19 and 20: Overall CommentsAcid tars can be of
Page 21 and 22: White Oil• Acid tar lagoons from
Page 23 and 24: Box 2.5 Scenario: Acid tar disposal
Page 25 and 26: 3. CHEMICAL AND PHYSICAL CHARACTERI
Page 27 and 28: Table 3.1 - General Physical Charac
Page 29 and 30: The chemicals listed in Table B.1,
Page 31 and 32: 4.2.3 Common mistakesIt is possible
Page 33 and 34: Geophysical methods, such as resist
Page 35 and 36: Investigation locations will need t
Page 37 and 38: • gas chromatography by simulatin
Page 39 and 40: 5.2.2 Water environmentThere is lit
Page 41 and 42: 5.3 Assessment of Investigation Dat
Page 43 and 44: 6. REMEDIATION ASPECTSKEY QUESTIONS
Page 45 and 46: 6.2.5 Solidification and stabilisat
Page 47 and 48: Box 6.1 Example of Remediation of A
Page 49 and 50: 6.3 Natural AttenuationNatural atte
Page 51 and 52: Table 6.1 - Remedial Options/Techni
Page 53 and 54: Table 6.2 - Remedial Options/Techni
Page 55 and 56: 6.4 ValidationThe principles of val
Page 57 and 58: • all personnel should follow a d
Page 59 and 60: Verschueren (1983) Handbook of Envi
Page 61 and 62:
USEPA. Innovative Site Remediation
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