What is the start date that triggers a ground water or vapor intrusion receptor evaluation or the identification of an Immediate Environmental Concern (IEC) condition?
The start date for the receptor evaluation of ground water and vapor intrusion contamination or the identification of IEC condition is the day that data is received from the laboratory which have undergone laboratory review and have been deemed acceptable for release to their client (i.e. LSRP) and documents that contamination attributable to the discharge is above the applicable criteria.