Grand Central Sanitary Landfill

Air Temp
Water Temp
BOD (mg/L)	<1	<1	2	13	<2	<2	<2	<2	<2	<2	<10.0
COD (mg/L)	8	16	<1	<1	7	11	8	9	6	11	<10.0
Chloride (mg/L)	27.2	9.69	<0.1	27.61	15	22	32	21	14	8	17.5
Iron, Total (µg/L)	150	80	160	<50	55	140	<50	67	590	180	<100.0
Manganese, Total (µg/L)	70	40	50	160	<50	<50	<50	<50	73	36	<50
Nitrate/Nitrogen (mg/L)	5.2	13	3.1	1.8	0.6	<0.5	<0.5	<0.5	0.7	<0.5	<1.0
Total Phosphates (mg/L)	0.09	0.35	0.4	0.06	<0.05	<0.05	<0.05	0.06	<0.05	<0.05	<0.05
pH Field					7	7.1	7.5	7	6.3	6.6	7.4
pH, Lab	7.25	7.56	7.89	7.51	7.75	8.03	8.16	7.84	7.74	7.87	7.74
Conductance, Field (umhos/cm)					473	580	1042	651	460	445	798
Conductance, Lab (umhos/cm)	520	514.1	443	730.8	410	669	672	760	445	582	778
Residue (mg/L)	342	329	437	660	336	438	614	478	262	306	645
TOC (mg/L)	0.821	2.715	0.55	1.329	2.5	2	1	1	2	2	3
Nitrite/Nitrogen (mg/L)	<0.01	<0.01	<0.01	<0.01	<0.02	<0.02	<0.02	<0.02	<0.02	<0.02	<0.01
Turbidity (NTU)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
Sulfate (mg/L)	198	16.88	215.6	3028	143	231	227	288	161	158	254
Total Alkalinity (mg/L)	252	121.38	62	72.66	47	58	81	74	59	48	79.5
Parameters	2/14/95 0:00	5/15/95 0:00	8/10/95 0:00	11/15/95 0:00	2/12/96 0:00	5/15/96 0:00	8/14/96 0:00	11/13/96 0:00	2/12/97 0:00	5/14/97 0:00	8/13/97 0:00
Air Temp
Water Temp
BOD (mg/L)	N/A	N/A	N/A	N/A	N/A	N/A	<2	<2	<5	<5	<5
COD (mg/L)	4	10	12	12	24	4	2	4	<10	<10	<10
Chloride (mg/L)	19	20	26	21.8	18.6	11.2	13.8	10.5	14	11	17
Iron, Total (µg/L)	97	410	600	990	370	120	140	110	100	280	50
Manganese, Total (µg/L)	94	230	100	86	330	90	43	77	70	40	60
Nitrate/Nitrogen (mg/L)	<0.5	<0.5	<0.5	1.1	0.94	1.1	0.7	0.9	0.86	0.78	0.7
Total Phosphates (mg/L)	N/A	<0.05	N/A	N/A	N/A	N/A	N/A	N/A	<0.05	<0.05	<0.05
pH Field	7	7	7.3	7.5	8.4	7.9	7.65	7.55	8	8.2	8.3
pH, Lab	7.8	7.82	8.09	7.46	N/A	N/A	7.82	N/A	7.9	7.5	7.8
Conductance, Field (umhos/cm)	499	798	1071	532	561	436	634	N/A	620	473	796
Conductance, Lab (umhos/cm)	648	1030	1360	580	N/A	518	647	N/A	511	460	602
Residue (mg/L)	400	812	N/A	N/A	N/A	N/A	N/A	N/A	N/A	334	281
TOC (mg/L)	<1	4	1.5	3.6	8.3	1.5	1.44	1.6	1	1.1	1.8
Nitrite/Nitrogen (mg/L)	N/A	<0.02	N/A	N/A	N/A	N/A	N/A	N/A	<0.05	<0.05	<0.05
Turbidity (NTU)	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	2.7	2.1	5.2
Sulfate (mg/L)	170	357	776	128	163	302	219	228	190	170	320
Total Alkalinity (mg/L)	69	80	108	43	49	53.6	67.2	65.1	51	53	84

Last Updated on 4/23/98

By Pen Argyl Area School District