329 IAC 10-29-2 Sampling procedures

Sec. 2. (a) Owners or operators of restricted waste sites Type I and Type II and nonmunicipal solid waste landfills shall develop and follow a written ground water monitoring plan. The ground water monitoring plan must include consistent sampling and analysis procedures to assure that monitoring results will provide a reliable indication of ground water quality in the zone being monitored. The plan must describe procedures and techniques utilized to comply with subsections (b) through (e). A copy of the ground water monitoring plan must be kept on-site. (b) The owner or operator of a restricted waste site Type I or Type II or nonmunicipal solid waste landfill shall utilize procedures and techniques to ensure that collected samples are representative of the zone being monitored and that cross-contamination of samples from other monitoring devices or from other samples is prevented. (c) The owner or operator of a restricted waste site Type I or Type II or nonmunicipal solid waste landfill shall establish a quality assurance program that provides quantitative detection limits and the degree of error for analysis of each chemical constituent. (d) The owner or operator of a restricted waste site Type I or Type II or nonmunicipal solid waste landfill shall establish a sample preservation and shipment procedure that maintains the reliability of the sample collected for analysis. (e) The owner or operator of a restricted waste site Type I or Type II or nonmunicipal solid waste landfill shall institute a chain of custody procedure to prevent tampering and contamination of the collected samples prior to completion of analysis. (f) The owner or operator of a restricted waste site Type I or Type II or nonmunicipal solid waste landfill shall take water level measurements and sample monitoring devices for the monitoring parameters specified in section 6(b) of this rule or the constituents specified in section 7 of this rule on a semiannual basis as specified by the commissioner. (g) The results of all water elevation measurements and sampling, including copies of original laboratory certified copies of analyses, must be reported to the commissioner within sixty (60) days of sampling. (h) The following background quality at existing units may be based on sampling of devices that are not upgradient from the waste management area where: (1) Hydrogeologic conditions do not allow the permittee to determine what devices are upgradient. (2) Sampling at other devices will provide an indication of background ground water quality that is as representative or more representative than that provided by the upgradient devices.