Table 9.

Pharmaceuticals found in wastewater samples collected from five First Nations (one located in the Hudson Plains ecozone in Ontario and four in the Prairies ecozone in Alberta and Saskatchewan)

Pharmaceutical detected	FNFNES max (ng/L)	Quantitation limit (ng/L)	No. of samples analyzed	Range (ng/L)
Acetaminophen	14,600	10	8	15–14,600
Atenolol	165	5	7	17.9–165
Atorvastatin	5.6	5	1	5.6
Caffeine	12,600	5	10	91.2–12,600
Carbamazepine	398	0.5	10	0.53–398
Cimetidine	36.2	2	9	2.2–36.2
Ciprofloxacin	7970	20	5	58–7970
Clarithromycin	929	2	7	7.5–929
Clofibric acid	6.4	1	1	6.4
Codeine	563	5	9	7.4–563
Cotinine	1860	5	10	33.8–1860
Diclofenac	506	15	5	31–506
Diltiazem	60.9	5	2	59.3–60.9
Diphenhydramine	838	10	2	813–838
Erythromycin	21	10	2	18.0–21.0
Furosemide	128	5	2	121–128
Gemfibrozil	8.7	1	5	1.2–8.7
Hydrochlorothiazide	44.8	5	7	6.4–44.8
Ibuprofen	15,000	15	6	44–15,200
Ketoprofen	77.3	2	3	6.2–77.3
Metformin	17,700	10	10	223–17,700
Metoprolol	26.4	5	6	6.9–26.4
Naproxen	4370	5	10	13.1–4370
Ranitidine	238	10	5	22–238
Sulfamethazine	15.6	5	1	15.6
Sulfamethoxazole	2010	10	10	34.7–2010
Trimethoprim	696	2	8	14.5–696
Warfarin	171	0.5	3	1.31–171