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053 Ok uluebu2, Ogale, Elem e Values in som e sam pling point s ex c eeded RBCA value of 1000m g/k g in soil. Contrac t or w as ask ed t o rew ork sec t ions Tues. 31/05/2022 Re-sam pling t o be c arried out on c om plet ion.
NOSDRACLOSE-OUTAND CERTIFICATION STATUS The year 2022 started with twenty (20) contractors from both Phase1, Batch 1& 2 still in active remediation works in various phases.Some of these Lots (023, 027, 029, 033, 046, 050, 053, 054 and 057) participated in the Batch 6 NOSDRA External Certification and Close-Out Sampling done in May/June 2022.Analytical resultssent by NOSDRA show that Lots 046 and 057 are cleared and certified,while Lots 023, 027, 029, 033, 050, 053, and 054 haveRBCA (Risk Based Corrective Action) exceedances above 1000mg/kg (TPH).