Скачать или смотреть Petroleum Vapor Intrusion Facts and Fallacies (RBrewer Battelle May 2016)

Facts and Fallacies of Petroleum Vapor Intrusions. Time Marks posted below. This presentation was originally given at the Battelle conference in Palm Springs, California, in May 2016. Additional details have been added to clarify key points. An overview of a proposed, field study of subslab vapor heterogeneity and the use of HPV methods to collect more representative vapor samples has also been added in the second half of the presentation.

(0:00) Introduction
(3:27) PVI Fallacies Overview
(5:09) Fact #1 Diesel Fuel is Volatile
(7:59) Fact #2 TPH Aliphatics Dominate Vapors
(8:59) Fact #3 TPH Risk-Based Screening Levels
(18:20) Fact #4 TPH as PVI Risk Driver over Benzene
(28:42) Fact #5 Aliphatics vs Aromatic Degradation Rates
(31:49) Fact #6 TPH PVI Separation Distance
(34:55) Fact #7 Small- vs Large-Volume Vapor Samples
(44:46) HDOH Subslab Vapor Study