Section 18.80.320. Sampling requirements for synthetic organic chemicals.

	(a)  For purposes of this section, a GWUDISW source is considered a surface water source.  
	(b)  In addition to the sampling and analytical requirements of 40 C.F.R. 141.24(h), adopted by reference in 18 AAC 80.010(a), for determining compliance with the MCLs for the synthetic organic chemicals specified in 40 C.F.R. 141.61(c), adopted by reference in 18 AAC 80.010(a), the following requirements apply:  
		(1) under the requirements of 40 C.F.R. 141.24(h)(5) - (6) for a waiver from the monitoring requirements for synthetic organic chemicals, the following requirements apply:  
			(A) the owner must apply for the waiver to the department on a form provided by the department;  
			(B) an application for a waiver or renewal of a waiver must be accompanied by any fee required by 18 AAC 80.1910(a)(6);  
			(C) in addition to evaluating the criteria set out in 40 C.F.R. 141.24(h)(6), the department will issue a waiver only if the department determines that a waiver serves the interests of public health;  
			(D) based upon new information received, the department will modify or revoke a waiver issued under this paragraph, if the department determines that modification or revocation serves the interests of public health;  
		(2) under 40 C.F.R. 141.24(h)(9), the department will require a confirmation sample for positive or negative results, if the department determines that a confirmation sample serves the interests of public health; the department will delete results of obvious sampling errors from the calculation of the sampling averages;  
		(3) under 40 C.F.R. 141.24(h)(10), the department will allow the use of compositing, and the report certification requirements of 18 AAC 80.1900 apply to the report of the duplicate sample analysis results that the owner ensures is provided to the department;   
		(4) if monitoring data are generally consistent with the requirements of this section, the department will allow systems to use that data to satisfy the monitoring requirement for the initial compliance period.  

Authorities

46.03.020;46.03.050;46.03.710;46.03.720

Notes

Authority

AS 46.03.020 AS 46.03.050 AS 46.03.710 AS 46.03.720

History

Eff. 10/1/99, Register 151; am 1/11/2006, Register 177; am 4/24/2009, Register 190; am 7/25/2010, Register 195