Would you please send us prices a quotation for the analysis of tow samples, with the following details : Dissolved Sulfides (H2S)Ammonia Nitrogen (NH3-N)Organic Nitrogen (Org-N)Total Organic Carbon (TOC)CODBODand also would you pls ask ALS Jeddah office to collect this sample from our office , i will cordinate with you about the time of sample submit after revive the quotation . **Please send reply asapRegards,