MAJOR CHANGE SUMMARY Page 1 of 2 The following table briefly summarizes some of the changes made to the May 2003 preliminary draft. This table is intended as a guide and not as a comprehensive listing of all of the changes made. Minor rewording and other editorial changes are not listed. May 2003 Draft Section 252 various 252 various 252 various 252.1 Definitions 252.3(c)(3) and (4) 252.5 252.6(a)(1) 252.6 252.6 252.202(a) 252.204(a) 252.206(c) 252.301(f) 252.302 252.302(h) 252.303 252.304(b) 252.306(f)(1)(ii), and (3)(i) 252.401(g) 252.402, 403, 404, and 405 252.402 (b) (2) 252.402(d)(3) Brief Description Of Change Removed references to specific editions of Standard Methods. Included use of artificial or simulated matrix for method blanks and laboratory control samples. Deleted “permit level or action level.” Added or changed definitions for wastewater, water system, industrial wastewater treatment facility, analysis day, drinking water, range of quantitation, NOEC, ICp, ECp, LCp, NOAEC, nonpotable water, wastewater facility, quantitation limit, laboratory control sample, Added chapters 260-270 (relating to hazardous waste) to exclusions listing. Added subsection (d). Clarified when required methods must be used. Added paragraphs (d), (e), and (g). Added three tests or analyses to the accreditation-by-rule listing. Removed percentage limitations for ownership transfer. Added fee structure NOTE: All accreditation-by-rule parameters removed from the basic wastewater and basic drinking water categories. Added rate for assessor travel time reimbursement. Deleted “full time staff member” requirement for laboratory supervisor and reworded section. Added biochemistry to list of acceptable degrees, where appropriate Revised and reworded requirements for certified operators. Added paragraph (c). Combined and reworded paragraphs (3) and (4). Changed requirement for the recertification of NIST-reference thermometers and ASTM type 1, 2, or 3 (Class S or S-1) weights from 3 to 5 years. Wording changes. Added new paragraph (b). Initial Calibration Section: Removed 120-day limitation. Removed requirement that curves may not be forced through zero. Added statement allowing the laboratory to develop its own acceptance criteria for the lowest quantitation level verification standard, and removed paragraphs (i) and (ii). MAJOR CHANGE SUMMARY Page 2 of 2 May 2003 Draft Section 252.402(e)(6) 252.402(e)(8) 252.402(d)(3) 252.402(e)(1) 252.402(e)(3)(i) 252.402(h)(1) 252.402(k)(1) 252.402(k)(2) 252.404(b)(1)(i) 252.501(c) 252.501(f) 252.601(c) 252.601 252.601 252.601 252.704(b)(3) Brief Description Of Change Added statement allowing the laboratory to develop its own acceptance criteria for the calibration verification standard, and removed paragraphs (i) and (ii). Included contingencies for reporting data with failed QC. Added paragraphs (i) and (ii). Added statement allowing the laboratory to develop its own acceptance criteria for the lowest quantitation level verification standard, and removed paragraphs (i) and (ii). Addition of statement that eliminates requirement of ending calibration verification for analyses using internal standard calibration to Changed calibration verification range from higher 25% of calibration curve to higher 20%. Added choice of matrix spike duplicate. Added “When retention times are used for the identification of an analyte.” Deleted this paragraph. Removed requirement for autoclave to have internal heat source, etc. Changed PT requirement from 6 to 12 months and included the time period for the approval process. Deleted the requirement to successfully analyze two out of the most recent three PT studies. Removed the absolute requirement for the Department to perform on-sites every 2 years. Changed the time requirement for submission of the laboratory’s first corrective action response. Added new section that provides for a second corrective action response from the laboratory. Changed the time-line requirements for the correction of all deficiencies identified during the on-site evaluation. Changed two out of the most recent three PT studies to two in a row.