Administrative Rules of Montana › Department 17 - ENVIRONMENTAL QUALITY › Chapter 17.56 - UNDERGROUND STORAGE TANKS PETROLEUM AND CHEMICAL SUBSTANCES › Subchapter 17.56.6 - Release Response and Corrective Action for Tanks Containing Petroleum or Hazardous Substances › Rule 17.56.603 - INITIAL SITE HISTORY

Current through Register Vol. 13, July 5, 2024
(1) Unless directed
				to do otherwise by the department, owners and operators must assemble and
				provide to the department information about a site where a release has been
				confirmed which must include, but is not necessarily limited to the following:
(a) A legal description of the real property
				at which the release occurred;
(b)
				A history of the ownership and operation of the PST or UST from which the
				release occurred, since at least the time at which the release from the tank
				did or could have occurred at the site, including the following:
(i) the name, current address and telephone
				number of all current owners and operators;
(ii) the name, current address and telephone
				number (if known) of all past owners and operators;
(iii) the years of current and past ownership
				and/or operation;
(iv) a
				description of the activities conducted at the site by each current and past
				owner/operator; and
(v) a general
				construction history of site.
(c) A map or maps and descriptions or symbols
				appropriate in scale and scope showing the following within a 500 foot (unless
				otherwise noted) radius of the site:
(i)
				adjacent and nearby buildings;
(ii)
				owner/operator each building;
(iii)
				paved (concrete or asphalt) areas;
(iv) property line defining the
				site;
(v) location of above and
				underground tanks and associated lines, pumps, and dispensers;
(vi) location of former tanks on
				property;
(vii) soil boring
				locations (if done);
(viii)
				monitoring well locations (if done);
(ix) underground utilities on and adjacent to
				the property (sewer, water, telephone, electric);
(x) basements and tile drain and sump systems
				on and adjacent to the property;
(xi) street maps or named/numbered
				streets;
(xii) all wells and
				springs within a 2 mile radius of the site;
(xiii) water bodies (rivers, ponds, lakes,
				and irrigation diversion) within a 2 mile radius of the site;
(xiv) surface elevation of the site of the
				release as taken from surveys, topographic maps of city; and
(xv) north arrow and map legend (scale, such
				as 1 inch = 100 feet).
(d) The following information concerning the
				PST or UST systems on the property:
(i) date
				of installation of all the tank or tanks on the site;
(ii) dates of installation and removal of all
				tanks previously located on the site;
(iii) size of all tanks on site (diameter,
				length, gallons);
(iv) tank
				construction material of all tanks on site;
(v) present contents of all tanks on
				site;
(vi) previous contents of all
				tanks on site;
(vii) type and
				locations of product pumps, piping, and dispensers;
(viii) method and results of product
				inventory reconciliation (describe and attach copies of product inventory
				charts);
(ix) corrosion protection
				on tanks and lines (yes/no and description);
(x) type and location of leak
				detectors;
(xi) type of fill under
				and around tanks and lines (clay, sand, or other material); and
(xii) type of tank anchors (if
				any).
(e) a description
				of all leaks, spills, overfills or other releases from the PST or UST systems
				located on the site:
(i) date of
				release;
(ii) date release was
				reported to the department;
(iii)
				product released;
(iv) quantity
				lost;
(v) quantity
				recovered;
(vi) location on site;
(vii) cleanup action taken;
				and
(viii) offsite
				effects.
(f) Any tank or
				line test dates, methods used for conducting the tests, tester's name, address,
				and phone number, and results of the test (include data and worksheets or
				calculations).
(g) If the PST or
				UST system (tanks and lines) or any part of it has been removed from the
				ground, provide a description of the condition of it by answering the following
				questions and providing the other information called for below:
(i) Was corrosion present?
(ii) Was there a visible leak?
(iii) Were there any loose
				fittings?
(iv) Was the tank/line
				carefully examined for signs of leakage?
(v) Was an independent observer (fire
				marshal, city official, testing laboratory employee, etc. but not your
				employee) present when tank(s) were removed?
(A) name of the independent
				observer;
(B)
				organization;
(C) address;
				and
(D) telephone.
(vi) Provide pictures of removed
				tanks and lines if pictures are available;
(vii) State the disposition of tank(s) (who
				took it, where was it disposed);
(viii) Provide a description of soil
				conditions in the area of the tank and line excavation, with an estimate of the
				volumes:
(A) odors present and method of
				measurement;
(B) visible product in
				soil;
(C) sheen on water mixed with
				soil;
(D) sheen on groundwater in
				excavation;
(E) product on
				groundwater in excavation;
(F) soil
				sampling descriptions; and
(G)
				instrument reading (if available).
(ix) State the disposition of the soil
				removed during the excavation or at any other time after the release.
(h) Copies of all reports
				previously completed, such as reports on soil, groundwater, or other reports
				pertinent to the site.