Site-Specific Health and Safety Plan (HASP) - Laschools.org

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RESPONSES TO COMMENTS FROM DTSC DATED JULY 22, 2008 DRAFT OPERABLE UNIT 1A REMEDIAL ACTION PLAN PROPOSED SOUTH REGION HIGH SCHOOL #9 AND MIDDLE SCHOOL #4, SOUTH GATE (#304440) Comment Number Comment Response Comments from Joe Hwong, P.G. C. HG. General Comments 1 Since OU4 is newly added to the Operable Units at the Site, its cover area should be clearly defined in the revised RAP. In addition, Figures 1-2 and 2-1 should be re-drawn to depict OU4's boundary. 2 Figure 3-1 - If Area OU1B does no longer exist during future remedial activities, DTSC recommends it be removed from the OU1A RAP and Figure 3-1. 3 Incorporate the DTSC Geologist's comments in the revised OU1A RAP. Comments from Bruce Garbaccio, P.G. General Comments 1 The RAP discusses volumes of soil to be segregated as RCRA waste, California Hazardous, TSCA waste, and non-hazardous waste. DTSC recommends that a map be included that shows the areas with each waste type. 2 Confirmation Sampling - The text (Sections 5.3 and 7.6.2) describes confirmation sampling procedures. They indicate a sampling rate of 1 per 500 square feet will be collected. DTSC concurs with the strategy for the bottom samples, which gives Page 1 of 2 (7/28/08) Response – Information regarding OU 4 has been detailed and appropriate changes made in the revised RAP to Figures 1-2 and 2-1 to reflect the location of the OU 4 boundary. In addition, newly designated OU 5 (Tweedy Boulevard west of Adella Avenue) has been depicted. Response – Comment noted. The revised RAP, including Figure 3-1, has been modified to remove reference to Areas A and B. Response – Responses to the DTSC Geologist’s comments have been incorporated in the revised OU 1 RAP. Response – A map outlining the locations of different waste types has been added to the revised RAP and is included as Figure 5-1. This is an estimate based on available site characterization data. Also note that a portion of the waste is classified as both a TSCA waste (because of PCBs) and as a RCRA waste (because of metals). The waste estimates in the revised RAP have been revised to reflect this. Response – Additional soil confirmation samples will be collected at a rate of one sample per 20 to 30 of linear feet of sidewall. Figure 5-2 has been revised to reflect additional confirmation sampling at Parcel 29. This includes new samples 029-PC054 through 029-PC076. 365
one sample per approximately 22 by 22 foot area. However, DTSC recommends that sidewall samples be collected at a rate of 1 sample per 20 to 30 linear feet of sidewall. Based on the spacing shown on Figure 5-2, the spacing is good in all areas except for the excavation on the east side of Parcel 29. They should add a few samples there. Page 2 of 2 (7/28/08) 366
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APPENDIX G Health and Safety Plan (
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Prepared by: Reviewed by: Approved
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LAUSD Proposed South Region High Sc
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• Fall Protection • Electrical
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4.11.2 Substance Abuse and Alcohol
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Hospital Name St. Francis Medical C
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Personal Injury LAUSD Proposed Sout
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Date: Project or Location: Risk/Haz
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6.1 SITE RISK ANALYSIS LAUSD Propos
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Project Name & Number: Location: Ex
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6.4 SAFETY SYSTEMS ANALYSIS LAUSD P
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6.7 SAFETY AND HEALTH ENFORCEMENT L
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Contractor Name: Address: Attention
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TABLE 6-1: HAZARDOUS SUBSTANCES OF
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TABLE 6-1: HAZARDOUS SUBSTANCES OF
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Name of Trainer: Training Subject:
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10.1.3 Level C Protection LAUSD Pro
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Action levels for potential benzene
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N Exhibit 12-1 SITE CONTROL ZONES P
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14.3 SPILL REPORTING PROCEDURES LAU
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EMERGENCY CONTACTS In the event of
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PARSONS - LAUSD Procedures followin
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Site-Specific Health and Safety Pla
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ATTACHMENT 3 ACTIVITY HAZARD ANALYS
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Parsons Activity Hazards Analysis O
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Parsons Activity Hazards Analysis F
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Project Name & Number: LAUSD South
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Parsons Activity Hazards Analysis G
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Parsons Activity Hazards Analysis G
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Parsons Activity Hazards Analysis D
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Parsons Activity Hazards Analysis D
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Parsons Activity Hazards Analysis H
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APPENDIX H Quality Assurance Projec
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new wells and from about 70 previou
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• Los Angeles Unified School Dist
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SECTION 2 DATA QUALITY OBJECTIVES T
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precision range from zero to the hi
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• Use of appropriate sampling pro
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Table 2-1 Requirements for Containe
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SECTION 3 FIELD DATA REDUCTION, VAL
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3.4 FIELD DATA VALIDATION The Proje
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SECTION 5 SAMPLING PROTOCOLS Detail
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FM before sending any samples origi
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SECTION 6 FIXED-BASE LABORATORY ANA
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the reported SQLs take into account
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Table 6-2 Practical Quantitation Li
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Page 246 and 247: (9/3/08) 5 Page 7-13, Section 7.5.2
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Page 250 and 251: Internal Review Draft (9/8/08) 7 A
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Page 254 and 255: Sample Location Sample Date Sample
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