Chemistry

Volume, Title, and Unique Books data collected on June 27, 2001.
Circulation statistics for the ALC fiscal year ending May 31, 2001.

Volume Count and Average Age

Counts and average ages of volumes (individual barcoded items) in Chemistry. This count only includes bound monographic materials.

	ACU	APL	HSU	McM	HPU	ALC
1600-1699
1700-1799
1800-1899			4		1	5
1900-1909			2	3		5
1910-1919			3	1	1	5
1920-1929	5		22	14	13	54
1930-1939	29		36	19	4	88
1940-1949	72	1	63	70	63	269
1950-1959	227	3	98	210	46	584
1960-1969	387	29	181	616	87	1,300
1970-1974	212	6	92	254	108	672
1975-1979	123	8	32	174	49	386
1980-1984	82	4	31	127	61	305
1985-1989	51	6	21	121	26	225
1990-1994	57	19	37	43	37	193
1995	8	10	6	9	4	37
1996	16	8	5	4	1	34
1997	20	2	27	8	5	62
1998	10	1	7	14		32
1999	7	5		3	2	17
2000	6	2		3	1	12
2001	1			1		2
2002
Totals	1,313	104	667	1,694	509	4,287
Average Age	1969	1981	1964	1969	1969	1968
Percent of Collection	0.62%	0.06%	0.49%	1.29%	0.76%	0.59%

Title Count and Average Age

Counts and average ages of titles (excludes duplicate copies) in Chemistry. This count only includes bound monographic materials.

	ACU	APL	HSU	McM	HPU	ALC
1600-1699
1700-1799
1800-1899			4		1	5
1900-1909			2	1		3
1910-1919			3	1	1	4
1920-1929	5		16	4	4	27
1930-1939	9		32	16	3	54
1940-1949	35	1	50	51	11	125
1950-1959	128	3	62	137	24	273
1960-1969	280	24	160	529	57	831
1970-1974	153	6	76	222	64	437
1975-1979	91	8	30	158	47	288
1980-1984	72	4	30	119	59	230
1985-1989	50	4	18	117	26	184
1990-1994	55	15	35	39	37	147
1995	8	6	6	9	4	23
1996	15	5	5	4	1	28
1997	14	2	24	7	2	41
1998	8	1	7	14		27
1999	7	3		3	2	15
2000	6	2		3	1	11
2001	1			1		2
2002
Totals	937	84	560	1,435	344	2,755
Average Age	1971	1980	1965	1970	1974	1970
Percent of Collection	0.52%	0.06%	0.47%	1.20%	0.57%	0.54%

Unique Books Count and Average Age

Counts and average ages of unique books (titles held by only one ALC library) in Chemistry. This count only includes bound monographic materials.

	ACU	APL	HSU	McM	HPU
1600-1699
1700-1799
1800-1899			4		1
1900-1909			2
1910-1919			2	1
1920-1929	4		14	2	3
1930-1939	3		27	11	1
1940-1949	20		35	29	2
1950-1959	74	2	23	79	8
1960-1969	141	14	73	355	17
1970-1974	88	4	39	152	39
1975-1979	57	4	15	116	33
1980-1984	45	1	10	80	37
1985-1989	39	2	6	90	16
1990-1994	43	7	24	23	17
1995	7		2	3	1
1996	13	2	4	2	1
1997	8	2	18	3
1998	6	1	4	11
1999	7	1		3	2
2000	6	2		2
2001	1			1
2002
Totals	562	42	302	963	178
Average Age	1973	1979	1963	1971	1976

Total Circulation

A count of charges and renewals for Chemistry. This count only includes circulation of bound monographs.

	Patron System
	ACU	APL	HSU	McM	CJC	HPU	Total
ACU Items	52	4	0	3	0	0	59
APL Items	0	90	2	5	0	0	97
HSU Items	2	1	6	2	0	0	11
McM Items	3	1	1	24	0	1	30
HPU Items	0	0	0	0	0	14	14
Totals	57	96	9	34	0	15	211

Circulation by Item Age

A count of charges and renewals for Chemistry, broken down by item age and item owner. This count only includes circulation of bound monographs, and only items which have a valid date in their DATE_1 field.

	ACU	APL	HSU	McM	HPU	ALC
1600-1699
1700-1799
1800-1899
1900-1909
1910-1919			1			1
1920-1929			2			2
1930-1939	2					2
1940-1949	2	2				4
1950-1959	11	1	1	1		14
1960-1969	14	10	4	8	1	37
1970-1974	11	3	1	2	2	19
1975-1979	1	1	1	1	1	5
1980-1984		3		1	2	6
1985-1989	1	9		8	1	19
1990-1994	7	28		2	4	41
1995	2	9			3	14
1996	2	25				27
1997	2	5	1	4		12
1998
1999	2	1		1		4
2000	2			2		4
2001
2002
Totals	59	97	11	30	14	211
Percent of Circulation	0.12%	0.03%	0.05%	0.24%	0.20%	0.05%

Non-Circulating Use

A count of Non-Circulating usage for Chemistry (as recorded by the circulation "NC" command). This count only includes bound monographs.

ACU	APL	HSU	McM	HPU
35	0	23	6	2

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