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(1) The owner or operator of a landfarm facility shall:

(a) maintain an operating record at the facility or at an alternate location approved by the department;

(b) make the operating record available for department inspection during normal business hours. The operating record must contain the following information as it becomes available:

(i) BTZ and ground water sample collection details and analytical results, if required;

(ii) the source, volume, type, and concentration of contaminants for incoming contaminated soils;

(iii) treatment zone information, as follows:

(A) application dates and contaminated soil volume applied;

(B) dates of tillage activities;

(C) quantities and dates applied of carbon to nitrogen to phosphorous (C:N:P) ratio and nutrient addition;

(D) moisture content and irrigation;

(E) soil pH and pH adjustments, if necessary;

(F) quantities and dates of bulking agents added;

(G) addition of bioremediation enhancers or amendments;

(H) information concerning treatment zone maintenance;

(iv) date and volume of treated soils removed from treatment cell; and

(v) any other information determined by the department to be necessary to protect human health or the environment; and

(c) record the following information in the operating record as it becomes available and submit it to the department as part of the annual report required under ARM 17.50.412:

(i) dates and results of all remediation sampling events for each separate volume of contaminated soil under treatment including generator tracking code, type of contaminant, test methodology, baseline concentration, volume being treated, and months under treatment;

(ii) dates, types, and results of all treatment maintenance activities such as BTZ sampling, C:N:P monitoring, tilling, irrigation, nutrient or bulking supplementation; and

(iii) changes to the site map and operational plan.


History: 75-10-204, MCA; IMP, 75-10-204, MCA; NEW, 2017 MAR p. 285, Eff. 3/11/17.

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