Section 18.78.605. Soil sample number and location.

	(a)  The owner or operator of a UST shall collect and analyze soil samples to verify that a site subject to corrective action meets the cleanup levels and requirements of this chapter. Soil samples must be collected and analyzed in accordance with 18 AAC 78.271.  
	(b)  The minimum number of final verification grab samples required for excavated soil that have been treated is set out in Table C of this section.  
                                   TABLE C
             NUMBER OF SAMPLES FOR POST-TREATMENT EXCAVATED SOIL
Cubic Yards of Soil     Minimum Number of Samples
0-10                    1
11-50                   2
51-100                  3
101-500                 5
501-1000                7
1001-2000               10
More than 2000          10 samples, plus one additional sample for each
                        additional 500 cubic yards, or additional
                        samples as the department determines necessary
                        to ensure protection of human health and
                        safety, and of the environment
	(c)  For untreated stockpiled soil, at least two grab samples must be collected from stockpiles of 50 cubic yards or less, with at least one additional sample collected from each additional 50 cubic yards of soil, or portion thereof over the initial 50 cubic yards.  
	(d)  Samples for any soil remaining in place at the site must be sufficient in number and location to represent the condition of the soil.  

Authorities

46.03.020;46.03.365

Notes

Reference

18 AAC 78.275
18 AAC 78.600

Authority

AS 46.03.020 AS 46.03.365

History

Eff. 1/22/99, Register 149; am 6/25/99, Register 150