Fig. 6From: Toxicity assessment of heavy metals and organochlorine pesticides in freshwater and marine environments, Rosetta area, Egypt using multiple approachesGC/Mass Chromatogram of standard compounds. Retention Times (min): α- HCH (9.09); β- HCH (10.12); Quintozene (10.50); Chlorothionil (11.69); Chlorpyrifos-Me (13.19); Heptachlor (13.44); 4,4-Dichlorobenzophenone (14.38); Chlorpyrifos (15.87); Cyprodinil, (17.47); Chlorodane-Gamma (19.07); α-endosulfane (19.82); Dieldrin (21.54); Endrin (22.981); β-endosulfane (23.683); p,p-DDD (24.802); endosulfane Sulfate (26.855); piperonyl-butoxide (29.93) and methoxychlor (32.27)Back to article page