Quest Consultants & Associates, Inc.
AQUEOUS SAMPLES
Parameter Holding Time
Total Coliform (drinking water) 30 hours
Total Coliform (water / wastewater) 6 hours
Fecal Coliform (drinking water) 30 hours
Fecal Coliform (water / wastewater) 6 hours
Fecal Streptococci 6 hours
Acidity 14 days
Alkalinity 14 days
Base Neutral / Acid Extractables 7 days [2]
Biochemical Oxygen Demand (BOD 5 ) 48 hours
Soluble BOD 5 48 hours
Carbonaceous BOD 5 48 hours
Carbonaceous BOD 20 48 hours
Chemical Oxygen Demand (COD) 28 days
Chloride 28 days
Color 48 hours
Cyanide, Total 14 days
Dissolved Oxygen (Azide Mod.) 4-8 hours
Fluoride (drinking water) 28 days
Fluoride (water / wastewater) 28 days
Haloacetic Acids 28 days
Hardness 6 months
Metals (total) 6 months
Metals (dissolved) 6 months
Mercury (drinking water) 28 days
Mercury (water / wastewater) 28 days
Minerals (total) 6 months
Minerals (dissolved) 6 months
Nitrogen:
Ammonia-N 28 days
Nitrite-N 48 hours
Nitrate + Nitrite-N (drinking water) 14 days
Nitrate + Nitrite-N (water / wastewater) 28 days
Total Kjeldahl-N 28 days
Oil and Grease 28 days
Odor 24 hours
Pesticides, Chlorinated 7 days [2]
Petroleum Hydrocarbons (EPA 418.1) 7 days
pH 15 minutes
Phenols, Total Recoverable 28 days
Phosphorus:
Hydrolyzable 7 days
Orthophosphate 48 hours
Total 28 days
NON-AQUEOUS SAMPLES
Parameter Holding Time
Base Neutral/Acid Extractable 14 days
Chemical Oxygen Demand (COD) 28 days
Cyanides 14 days
Metals 6 months
Chromium, Hexavalent 24 hours
Petroleum Hydrocarbons
(EPA 418.1, modified) 28 days
pH 24 hours
Phenols, Total Recoverable 7 days
Phosphorus, Total 7 days
Pesticides / PCBs 14 days
Total Nitrogen Series 7 days
Total Organic Carbon 14 days
Volatile Organics 14 days
RCRA Characteristics
TCLP / SPLP – Full 48 hours - 14 days
Polychlorinated Biphenyls (PCBs) 7 days
Radiological 48 hours
Residues
Filterable (Dissolved Solids) 7 days
Non-filterable (Suspended Solids) 7 days
Total (Total Solids) 7 days
Settleable Solids 48 hours
Specific Conductance 28 days
Sulfate 28 days
Sulfide (Hydrogen Sulfide) 7 days
Total Organic Carbon 28 days
Trihalomethanes (THMs) 14 days
Turbidity (drinking water) 48 hours
Turbidity (water / wastewater) 48 hours
Volatile Organics 14 days
Depending upon analyses and deliverables requested, Quest Consultants standard turnaround time (TAT) for reporting analytical results is approximately two weeks; many samples require less time for reporting, and reports are released upon completion of all analyses.
The following table lists Quest Consultants surcharges for expedited TATs: Turnaround Time * Surcharge
Turnaround Time * Surcharge
1 Day * 100% 6 days * 50%
2 Days * 90% 7 Days * 40%
3 Days * 80% 8 days * 30%
4 Days * 70% 9 Days * 20%
5 Days * 60% 10 Days * Standard
* Working Days ** Surcharge rates subject to change
Quest Consultants cannot assume responsibility for holding times that are exceeded due to delivery of samples past 4:30 PM or on weekends without prior arrangements for receipt. For futher information contact us at:
888-730-4646