SITE INFORMATION AND CORRESPONDENCE 1991-1992

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P R §761.125 40 CFR Ch. 1 (7-1-91 Edition) I Environmental Prot '* ther, EPA requires the collection and tion• depending on the source of the lateral foot arounc testing of field blanks and replicates. spill, in the shortest possible time must be excavated, 152 FR 10705, Apr. 2, 1987; 52 FR 23397, after discovery, but in no case later restored to its ori. June 19, 1987) than 24 hours after discovery. by back-filling with (iii) Where a spill exceeds 10 pounds taming less than 1 t 6761.125 Requiremenus for PCB spill of PCBs by weight and is not ad- (iii) Requiremen eleanuP• dressed in Paragraph (a)(1)(f) or(it)of (b)(1) M and (if) o (a) General Unless expressly limit- this section, the responsible party will be completed withir ed, the reporting; disposal, and pre- notify the appropriate EPA regional responsible party cleanup sampling requirements in office (Pesticides and Toxic Sub- became aware of the Paragraphs (a) (1) through (3) of this stances Branch) and proceed to decon- (2) Effect of emc section apply to all spills of PCBs at taminate the spill area in accordance weather. Completio concentrations of 50 ppm or greater with this TSCA Policy in the shortest be delayed beyond - which are subject to decontamination possible time after discovery, but in no circumstances requirements under TSCA, including case later than 24 hours after discov- inclu' - those spills listed under § 761.120(b) ery ed t0,civil emergent which are excluded from the cleanup Civ)Spills of 10 pounds or less,which conditions, lack of standards at paragraphs (b) and (c) of are not addressed in Paragraph (a)(1) and emergency opu this section. (1) or (it) of this section, must be The occurrence of a (1) Reporting requirements. The re- cleaned up in accordance with this or overtime costs s �.1..... Porting in Paragraphs (a)(1) (i) Policy (in order to avoid EPA enforce- reasons to delay res through dv) of this section is required ment liability), but notification of of cleanup may be _ in addition to applicable reporting re- EPA is not required. the duration of the quirements under the Clean Water (2) Disposal of cleanup debris and If the adverse weat Act (CWA) or the Comprehensive En- materials. All concentrated soils, sol- time lapse due to `.s.t vironmental Response Compensation vents, rags, and other materials result- has left insufficient and Liability Act of 1980 (CERCLA), ing from the cleanup of PCBs under responsible party m For example, under the National Con- this policy shall be properly stored, la- caily based samplint tingency Plan all spills involving 10 beled, and disposed of in accordance mine the spill boun Pounds or more by weight of PCBs with the provisions of 1761.60. under Paragraph (a) must currently be reported to the Na- (3) Determination of spill bound- (3) Records and ce tional Response Center (1-800-424- ariez in the absence of visible traces. completion of cleanu 8802).The requirements in paragraphs For spills where there are insufficient Party shall documen (a)(1) (ll through (fv) of this section visible traces yet there is evidence of a records and certifica.; -.� are designed to be consistent with ex- leak or spill, the boundaries of the nation The records '.. 1.sting reporting requirements to the spill are to be determined by using a must be maintained � ., extent possible so as to minimi re- statistically based sampling two»v, Alma scheme, years. The records Porting burdens on governments as (b)Requirements for cleanup of Zoro- shall consist of the f( well as the regulated community. concentration spills which involve less (f)Identification of SJ;;L;;, (i) Where a spill directly contami- than 1 pound of PCBs by weight (less spill (e.g.,type of equ nates surface water, sewers, or drink- than 270 gallons of untested mineral (it) Estimated or " •'. ing water supplies, as discussed under Oil)—(1) Decontamination require- time of the spill oc r �• I761.120(d), the responsible party meets. Spills of less than 270 gallons ri shall notify the appropriate EPA re- of untested mineral oil, lowconcentra- ( ) The �� and gional office (the Office of Pesticides tion PCBs, as defined under 5 761.123, completed or termir and Toxic Substances Branch) and which Involve less than 1 pound of was delayed by emeu obtain guidance for appropriate clean- PCBs by weight (e.g., less than 270 weather. the nature up measures in the shortest possible gallons of untested mineral oil con- the delay). time after discovery, but in no case taming less than 500 ppm PCBs) shall dv) A brief descril later than 24 hours after discovery. be cleaned in the following manner: ration (ii) Where a spill directly contami- (1) Solid surfaces must be double (v)Precleanup saml nates grazing lands or vegetable gar- washed/rinsed (as defined under establish the spill 1 dens, as discussed under 1761.120(d), #761.123); except that all Indoor, rest- quh'ed because of it the responsible party shall notify the dental surfaces other than vault areas traces, and a brief d appropriate EPA regional office (the must be cleaned to 10 micrograms per sampling methodoloe Office of Pesticides and Toxic Sub- 100 square centimeters(10µg/100 cm) llsh the spill boundar stances Branch) and proceed with the by standard commercial wipe tests. (A) A brief descrip immediate requirements specified (li)All soli within the spill area (i.e., surfaces cleaned ant under paragraph (b) or (c) of this sec- visible traces of soli and a buffer of 1 wash/rinse method tv 400 t