Bloomfield Subdivision Site - Hydrostudy - Appendix D: Groundwater Quality Analyses

NATIONAL TESTING LABORATORIES, LTD. 556 South Mansfield, Ypsilanti, MI 48197-5166 (440) 449-2525 Fax (440) 449-8585 ANALYTICAL REPORT Date: 11/08/05 Report #: 644153 Laboratory ID #: 00417 Client: GEOTRANS INC 46010 MANEKIN PLAZA SUITE 100 STERLING, VA 20166- Date received at lab: 10/28/05 Date Collected: 10/25/05 Time Collected: 16:00 SOURCE: WELL WATER/ GOULD BLOOMFIELD SUBDIVISION TEST WELL BF-1 5149.001.01 Time received at lab: 09:00 NOTE: "*" The MCL (Maximum Contaminant Level) or an established guideline has been exceeded for this contaminant. "**" Bacteria results may be invalid due to lack of collection information or because the sample ha s exceeded the 30-hour holding time. "ND" This contaminant was not de tected at or above our lower reporting limit (LRL). "NBS" No bacteria submitted. "NBR" No Bacteri a Required. "P" = PRESENCE "A" = ABSENCE "EP" = E. COLI PRESENCE "EA" = E. COLI ABSENCE "NA" = NOT ANALYZED Analysis Performed I MCL I LRL I Level ------------------------------- (mg/1) --------- ---------- Detected ---------- Total coliform -- P ------ -- P ---------- P EA** ---------- ----------------------------- Inorganic chemicals - metals: - Aluminum 0.2 0.1 ND Arsenic 0.05 0.010 ND Barium 2 0.30 ND Cadmium 0.005 0.002 ND Calcium --- 2.0 72 Chromium 0.1 1 3 0.010 004- 0 ND ND Copper Iron . 0.3 . 0.020 2.3* Lead 0.015 0.002 ND Magnesium --- 0.10 26 Manganese 0.05 0.004 0.23* Mercury 0.002 0.001 ND Nickel --- 0.02 ND Selenium 0.05 0.020 ND Silver 0.1 0.002 ND Sodium --- 1 11 Zinc ------------------------------- 5 --------- 0.004 ---------- 0.011 ---------- c. This report cannot be reproduced, except in full, without the written approval of National Testing Laboratories, Ltd.