49-307. Monitoring and testing
A. In order to more accurately determine the mobility and persistence of the
pesticides identified pursuant to section 49-303, subsection C, paragraphs 2 and 3 and
those pesticides whose continued use is allowed pursuant to section 49-309 and to
determine if these pesticides have migrated into groundwaters of this state, the director
shall conduct soil and groundwater monitoring statewide in areas of this state where the
pesticide is primarily used or where other factors identified pursuant to section 49-302,
including physicochemical characteristics and use practices of pesticides, indicate a
probability that the pesticide may migrate into the groundwaters of this state. The
monitoring shall begin within one year after the pesticide is placed on the groundwater
protection list and shall be conducted according to standard protocol and testing
procedures established pursuant to subsection B of this section. Monitoring programs
shall replicate conditions under which the pesticide is normally used in the area of
monitoring. In developing a monitoring program, the director shall coordinate activities
with other agencies that conduct soil and groundwater monitoring.
B. Within ninety days after a pesticide is placed on the groundwater protection
list pursuant to section 49-305, the director, in consultation with the department of
health services, shall expeditiously develop a standard protocol and testing procedure
for each pesticide identified pursuant to section 49-305.
C. The director shall determine the probable source of the pesticides, specified
ingredients or degradation products. The analysis of the pesticides, specified
ingredients or degradation products shall consider factors such as the physical and
chemical characteristics of the pesticide, volume of use and method of applying the
pesticide, irrigation practices related to use of the pesticide and types of soil in
areas where the pesticide is applied.
D. The director shall report all monitoring results to the Arizona department of
agriculture.
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